Grinding

Industry News for Grinding

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ANCA honors its history by producing technology for the need of manufacturers today and in the future.
Branding for Gorilla Mill, a manufacturer of carbide drills, endmills and cutting tools, is simian-themed, aggressive and fun, and it comes with the tagline “Weapons of Mass Production.” The company has grown in employees, distributors and a diverse spread of customers. ANCA's CNC machines have played a large role in Gorilla Mill's progress.
Fast, flexible custom tooling, easy access to tool data through cloud technology and automation are some of the technologies driving tool production processes, according to a recent discussion between two industry executives.
The Weifuautocam Precision Machinery Corporation from Wuxi, China is using a Grindstar profile and cut-off machine from Junker for the production of adjusting screws for high-pressure hydraulic pumps. Weifuautocam, a part of the Weifu Group, began collaborating with Junker in 2000.
Using a Vicivision optical measuring machine to verify quality during grinding and other operations, Italy-based Bavieri Alfeo Precision Mechanics can obtain accurate results in seconds .
After a long hiatus due to the COVID-19 pandemic, the Grinding Doc video series on Cutting Tool Engineering's website resumes with a special two-hour episode about Cylindrical Master 2020, an Excel program developed by Dr. Jeffrey Badger, aka the Grinding Doc. The 105th episode of the Grinding Doc video series provides a detailed description of the Cylindrical Master program that Badger developed during the pandemic.
Grinding jobs requires strict tolerances. On grinding machines, the tolerances for the dimensions, form and position of finishing processes run tight, and in many cases, shops check these specifications against hard data. Studer machines can use cameras and laser systems to in-process measurements.
The ThyssenKrupp Crankshaft Co. in Danville, Illinois, operates up to 21 shifts per week to produce forged crankshafts for the North American heavy-duty automotive, truck, and engine markets. Meeting production needs requires precise technology, including a Zema Numerika GH1500 grinding machine from Junker.
Whether operators use neat oils or water-miscible coolants in wet cutting machine tools or tool grinding machines, the coolants are subject to heavy contamination. VOMAT technology offers a variety of clean coolant technology to solve this problem and produce better cuts.
When considering upgrading a cylindrical grinding process from a conventional vitrified aluminum oxide or ceramic wheel to Vitrified cBN (VitcBN), there are 5 main reasons that can help justify the use of cBN over conventional abrasive grains. 
Schunk, a premium tooling and resharpening company in Germany, utilizes state-of-the-art grinding systems and an ANCA workflow RFID system to finish job packets in a chaotic fashion driven by production needs rather than by job order.
The US cutting tool manufacturer McQuade Industries Inc. has implemented a CNC upgrade program for its roster of 5-axis insert grinders, and the upgrades shaved more than ten minutes per part off the production time of complex geometry cutting tools.
Reducing the environmental footprint in a production plant is often achieved with state-of-the-art production equipment, but many companies are looking to improve on these achievements.Oil filtration might be a good way to help improve the environment.
Kratzer GmbH & Co. is a Offenburg, Germany-based precision manufacturer of components made from a wide range of materials that must meet the exacting standards required by its high-tech cuustomers. The company meets these specifications in part through investing in state-of-the-art equipment including grinding machines, machining centers, lathes, metrology equipment. Recently, the company invested in new grinding technology as well as a new filtration system.
Tooling manufacturers must machine tools to cut an evolving array of materials from exotic metals to composites and meet ever-more exacting tolerances and produce more complex shapes and radii.
As a specialty toolmaker, Dew Tool Grinding Services Inc. always has relied heavily on the software of tool grinding machines.
Junker Group's RETROFiT service provides many benefits for customers by modernizing used machines and bringing them up to the latest technical standards. Compared with purchasing a new machine, RETROFiT supplies savings of up to 60%. Renault Portugal SA took advantage of this program and opted to retrofit two Quickpoint cylindrical grinding machines.
Guards on grinding machines are particularly important for ensuring operator safety. Grinding wheels seldom burst, but when they do, there is a great risk of serious injury to the machine operator. Recent studies suggest, however, that the enclosures commonly used in gear grinding machines, for example, could be overdesigned at present. Investigations conducted by the VDW (Verein Deutscher Werkzeugmaschinenfabriken – German Machine Tool Builders' Association) and the Institute of Machine Tools and Factory Management (IWF) at TU Berlin reveal that it is possible to use safety guards which are up to 70% thinner, depending on the width of the grinding wheel. These findings are leading to changes in ISO standardization.
It took six years of experimentation and trial and error along with tool grinding know-how for West Ohio Tool Co., a specialty cutting tool shop in Russells Point, Ohio, to develop its own commercially available cutting tool. The revolutionary tool is a solid PCD drill that generates from 800,000 to 1,000,000 holes in die cast aluminum without regrind or re-tipping required.
After 14 years in service, a Studer S40 grinding machine that had over 45,000 hours of run time now produces precision components to tolerances it achieved when brand new. The Studer factory in Switzerland performed the rebuild that involved completely overhauling the machine, and while doing so also provided the machine’s owner LMT Kieninger with a loaner to ensure the customer’s production would continue uninterrupted.
At ANCA, the company's success has been underpinned by listening to its customer’s needs. Rather than only offer a standard product range, the builder of grinding machines often delivers custom solutions. ANCA’s engineering team can custom design mechanical, electrical, software and process solutions to enhance the standard product range and meet unique customer requirements.
Dressing/conditioning diamond and CBN Borazon grinding wheels, resin- and metal-bond only, is one of the most overlooked processes. And most dressing is done insufficiently.
Over 1,500 international visitors experienced new technologies from precision machining and current trends in the manufacturing industry at the Grinding Symposium 2019 held May 8-10 by the United Grinding Group in Thun, Switzerland. Customers, experts and company representatives used the opportunity for one-on-one conversations.
With words like quality, innovation and superior service defining this global manufacturer, it was only natural that the company would seek a partner with equally high standards when it came time to source its new centerless grinder.
Generally, when using abrasive wheels to grind parts, a dressing tool is required to maintain form and finish within specifications. Several options exist when choosing the type of dressing tool for an operation. These include single-point diamond tools, diamonds blade tools, form or plunge roll diamond wheels and “rotary single-point,” or “traversing rotary,” dressing.
Founded in 1952, New Jersey-based Glebar has designed and manufactured grinding machines for many different types of metal and other components, ranging from 60- to 80-HRC stainless parts to 0.002"-dia. titanium parts. For one application, an OEM of machine tooling equipment wished to increase output for steel tap blanks used to drill threaded holes as used in the machining and tooling industry.
Precision grinding results in the material removal of metals of all kinds and crystalline materials of all kinds, i.e. glass, quartz, ceramic, ferrite, abrasives, stone and other materials that cannot be machined with conventional cutting tools. These materials are too hard, abrasive, and require dimensions, tolerances and surface finishes otherwise not achieved easily or cost effectively with any other method.
Sometimes manufacturing can feel like a battle between David and Goliath. But in the era of automation, think Industry 4.0, manufacturers are discovering the advantages to being smaller. Automation technology has leveled the playing field and now smaller means nimble, niche and, for the first time, heading in the same direction as the big guys.
Fraisa SA is a family-owned business that offers its customers a complete range of endmills, drills and taps. The toolmaker provides a full customer service offering with logistics, specials, regrinding and recycling of tools. With its headquarters in Bellach, Switzerland, Fraisa has a strong position in Europe and entered the U.S. and Chinese markets in the last 10 years.
In addition to TIR (total indicator runout) is the dimension of the grinding wheel side flutter, runout, roundness and tolerance. This is accomplished by truing, dressing, forming and conditioning.
CNC tool grinder manufacturers can offer application support to find the perfect mix for effective processes. Eric Schwarzenbach, president of Rollomatic Inc., discusses how the right partner can help.
Some strange light and soft metals used in aerospace applications have proven to be difficult to precision abrasive grind because they are stringy, gummy, load wheel surfaces easily, get hot quickly and have slow material-removal rates. These include stainless steel alloys and nickel-base materials.
Usually, a grinding process can be improved by simply picking the low-hanging fruit. Grinding wheel manufacturer Meister Abrasives USA Inc., North Kingstown, R.I., recommends trying that approach first by selecting a single variable and significantly changing it.
To achieve the quality and productivity requirements for most precision grinding operations, it is necessary that the grinding wheel is trued and dressed prior to grinding and periodically during the grinding operation. The truing process is initially carried out to correct for any wheel runout, create the required profile on the wheel, and condition the grinding wheel face.
Can dressing superabrasive wheels, segments, saw blades and mandrels increase productivity?Yes, dressing done properly increases productivity.
United Grinding North America Inc., Miamisburg, Ohio, will host "The Artistry of the Grinding Universe Event" April 18-19 at its new 110,000-sq.-ft. headquarters. The free 2-day educational event will give attendees an opportunity to explore the latest grinding technologies, automation and measurement systems that provide the turnkey solutions required to keep pace in today's evolving manufacturing landscape.
Many manufacturers in the aerospace industry depend on high-precision, complex specialized cutting tools and want them as quickly as possible. However, not all tool grinding shops can meet that challenge. Almar Tools Inc., Camas, Wash., is one that can. To succeed where others often fail, the shop takes a simple straight-forward three-prong approach that consists of efficient production practices and highly trained machinists paired with the latest in tool grinding machine technology.
"Shaping Success Together" is Vollmer's motto at the international trade fair GrindTec 2018 in Augsburg, Germany. The specialist in grinding and eroding machines has further developed both technologies and services for its sharpening and machine tools in close communication with customers and partners.
If you want to produce high-precision profile inserts, your tapered diamond grinding wheels need to be dressed on a regular basis. Haas opts for the profile accuracy of the XING dressing technique inside the machine.
Rollomatic Inc. hosted an open house Nov. 7-9 at its headquarters in Mundelein, Ill. In addition to displaying the latest Rollomatic and Strausak grinding machines, as well as a Platit tool coating machine, the event offered attendees an opportunity see a demonstration of Rollomatic’s software for Industry 4.0.
Not every holemaking job requires a high-performance, solid-carbide or PCD-tipped drill with an advanced coating. For many, a HSS jobber drill will suffice.
Although picks, or plectra, for playing musical instruments are commonly plastic injection molded or stamped, some are machined.
Historically, the round tool cutting industry hasn’t offered many educational events to customers for collaboration. 3M is on a mission to change that.
We all know that as grinding wheels wear and get smaller, they eventually stub out, requiring replacement. But what really happens as they wear? Does performance change? Do wheels act or behave differently as they wear? Do we need to change the grinding or dress parameters throughout whel life to compensate for these changes?
Jet Tool & Cutter launched in 1968 as a small cutter regrind shop, taking orders on paper and mailing quotes back to the customer. Since then, the bustling, growing firm has worked out the solution that allows it to quickly produce a wide variety of high-quality carbide cutting tools for aerospace, firearms and general machining applications. Its solution allows the shop to meet tightening customer demands for quality and quick delivery while facing a shrinking pool of available skilled hands.
Everyone’s talking about it – the fourth industrial revolution. Rollomatic S.A., based in Le Landeron, Switzerland, is one of the companies setting a course for an interconnected future for machinery. After all, although precision is still a top priority for Rollomatic customers, aspects such as monitoring of machinery and production processes from anywhere in the world are growing more important by the day.
Pinch grinding offers aggressive material-removal rates, excellent concentricity and low part runout when prepping cutting tool blanks.
ANCA Inc. will expand its plant in Wixom, Mich., by 50 percent, expanding its inventory and spare parts warehouse capacity, adding a dedicated customer focus and training center, and doubling its machine demonstration area. The announcement was made by Russell Riddiford, ANCA president. ANCA, a private company, did not disclose the dollar value of the investment.
The first automobile internal-combustion engines used a camshaft to open and close poppet valves. Now, more than 100 years later, camshafts are still used and their basic function hasn’t changed—even though camshaft geometries, materials, surface finishes and tolerances have improved greatly to achieve better fuel economy, lower emissions and larger torque.
Meister Abrasives USA Inc. in December 2015 added an advanced CNC manufacturing system to its lineup, making it possible for the North Kingstown, R.I., company to manufacture large diameter external wheels in the United States using equipment, materials and a manufacturing process identical to those used by its parent corporation in Switzerland. The new CNC system is said to be capable of producing large vit CBN and diamond abrasive wheels up to 1,225mm (about 4') in diameter.
United Grinding North America Inc. will highlight methods for improving tool performance using the latest advancements in grinding at a Tool Event on July 22-23 at the company's facility in Fredericksburg, Va. Attendees will also get a preview of a new two-in-one machine with a minimal footprint that provides eroding and grinding of PCD and carbide tools in one setup, according to the company. 
Minnesota Business Magazine announced the companies has selected for this year's 100 Best Companies to Work for Award. Midwest Industrial Tool Grinding, Inc., Hutchinson, Minn., a first-time applicant and recipient, has been recognized as "the best that McLeod County has to offer" for work environment, employee benefits and culture, according to the company. 
Titan Tool Supply, Buffalo, N.Y., offers a range of deburring and microfinishing tools, including grinding and bottoming pins, grinding wheels, polishing products, miniature diamond files, Swiss needle files, diamond needle files, scrapers and blades and Uni-Vise blade and file handles. 
To celebrate the opening of its new facility in Irvine, Calif., GF Machining Solutions will hold an open house and ribbon-cutting ceremony Oct. 9-10. During the event, visitors can tour the facility and consult with application and product specialists from the company.
Midwest Industrial Tool Grinding Inc. hosted a tour of its Hutchinson, Minn., facility on April 22, 2014, that included representatives from LifeScience Alley (LSA), a trade association with 680 members from U.S. life sciences industry, and the Hutchinson (Minn.) Economic Development Association (EDA). The event at MITGI was part of a larger tour of Minnesota by the LSA and EDA in an effort to cultivate relationships and connect industry partners in the state. 
CNC machine tool manufacturer Rollomatic Inc., Mundelein, Ill., is exhibiting several new products during the GrindTec show in Augsburg, Germany, to be held March 19-22, 2014. One product on display is the GrindSmart 6-axis CNC grinder that is furnished with a traveling work head that can produce drills with a flute length up to 12". In addition, other solid-carbide drills and high-performance endmills can be manufactured. Features include a camera to locate coolant holes and a 6-station wheel and nozzle changer. 
Sharpening diamond-tipped and solid carbide rotary tools will be the focal point of Vollmer's display at Stand 1017 at the GrindTec 2014 international grinding technology trade fair, to be held March 19 to 22 in Augsburg, Germany. The grinding and erosion machine company will demo its new VGrind 160 grinding center, the company's first for processing carbide rotary tools.
United Grinding North America, the Miamisburg, Ohio-based provider of cylindrical grinding machine tools, has scheduled a six-city demonstration tour of the United States, as well as two open house events in Canada and Mexico, to demonstrate its STUDER S11 production workpiece.
On Jan. 1, 2014, GF AgieCharmilles, Geneva, Switzerland, will become GF Machining Solutions, underscoring the fact that parent company Georg Fischer AG (GF) is a unified company with three divisions. Along with the name change, a new design style on the GF Machining Solutions Web site and sales literature will be gradually implemented, according to the company. GF AgieCharmille's U.S. operation is based in Lincolnshire, Ill. 
The opening of the new facility included a traditional Japanese Kagami-Biraki ceremony, where a barrel of sake is broken open with wooden mallets. Several customers, dealership representatives, city officials, Shigiya employees and other invited guests were present for the event. 
Körber Schleifring, the Hamburg, Germany provider of grinding machine technology and its North American arm, Miamisburg, Ohio-based United Grinding Technologies, have merged under the new brand name United Grinding  Group — Körber Solutions, a move that expands the company's global market position in relation to technology, service and volume.
United Grinding North America, Inc. welcomes manufacturers to its Fredericksburg, Va., facility on Nov. 20 from 8 a.m. to 5 p.m. to experience the latest technology and trends in PCD tool manufacturing, featuring live demonstrations from its WALTER and EWAG brands.  
Three related manufacturing companies have launched new Web sites. Contour Precision Group, a manufacturer of complex prismatic parts; Huffman LLC, a builder of profile grinding machines, laser powder fusion cladding and welding machines and waterjet machines; and Springfield Manufacturing LLC, a provider of advanced manufacturing solutions, are all based in Clover, S.C.  

Articles on Grinding

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Author: Jeffrey A. Badger, Ph.D.
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Author: Mike Gainey
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Author: Charles Stormes
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Videos on Grinding

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Rollomatic USA and Strausak featured two new tool grinding machines during its three-day open house held Nov. 9-11 at Rollomatic's Mundelein, Illinois, facility.
Star Cutter’s NXT 5-axis Tool Grinder is a versatile 5-axis CNC machine, features a small footprint and a large grind zone. The machine can run small and large diameter wheels and is designed in a modular fashion that offers quick adaptation to application requirements.
Two technologies, one machine: The new VOLLMER VHybrid 360 combines the strengths of an innovative grinding machine and a proven powerful erosion machine. Allowing you to switch between the two functions in no time! Efficient processing and powerful machining of carbide tools with diameters of up to 50 mm. 
At The Grinding Doc, we put together this short video with some of our more popular electron-microscope photos. Take a look. It might just change how you see grinding. 
Jeffrey Badger, Ph.D., discusses the grinding principles at work that cause chatter in the 106th episode of The Grinding Doc video series.
After a long hiatus due to the COVID-19 pandemic, The Grinding Doc video series on Cutting Tool Engineering's website resumes with a special two-hour episode about Cylindrical Master 2020, an Excel program developed by Dr. Jeffrey Badger, aka The Grinding Doc.
You are looking for a powerful, flexible, reliable, and rigid tool and cutter grinding machine with an easy-to-use control and a variety of available options, including part loading and tool changing automation.
Abrasive Technology Inc. discusses how superabrasive grinding wheels and tools with electroplated bonds are able to maintain tight-tolerance forms, provide freer cutting, and hold form or profile from the first cut to the last. In addition, the tools can be stripped and replated.
Jeffrey Badger, Ph.D., aka The Grinding Doc, offers a light-hearted quick overview of "The Book of Grinding," which he published for shop employees who want to educate themselves about grinding. Watch the 104th episode of the Grinding Doc video series.
Do you want to grind carbide tools and erode PCD tools with high productivity? The new VHybrid 360 from Vollmer of America Corp. combines the strengths of an innovative grinding machine and a proven, powerful erosion machine.
Dr. Jeffrey Badger provides a simple, if not pretty, solution to a nasty cylindrical grinding problem — when the side of a grinding wheel meets a flat surface. Watch the 103rd episode of the Grinding Doc video series.
For the 102nd Grinding Doc episode, Dr. Jeffrey Badger covers the impact that thermal softening, residual tensile stresses and rehardening burn have on fatigue life in steel workpieces.
Jeffrey Badger, Ph.D., takes a detailed look at the impact different grinding approaches have on cup wheel wear in the 101st episode of the Grinding Doc video series.
In the 100th episode of CTE's Grinding Doc video series, Dr. Jeffrey Badger discusses his least favorite subject—chatter.
The Grinding Doc helps a shop understand the source of the spiral marks showing up on a part, and offers a potential solution.
The Grinding Doc urges shops to carefully determine where to start their rapid in-feed if they want to reduce cycle time for a cylindrical OD plunge grinding operation.
The Grinding Doc cautions shops about improving coolant in all grinding operations. Depending on the type of grinding and the job requirements, less coolant can be more.
Cutting Tool Engineering's Ask The Grinding Doc columnist, Jeffrey Badger, Ph.D., shares a common gripe among shops faced with the formation of oxidation burn during a grinding operation.
Rigibore’s special tooling capabilities allow multiple features to be machined on a single tool, performing two or more critical operations simultaneously, reducing cycle time.
The Star NXT tool grinder offers a focused design to deliver a maximized grind zone with our smallest footprint to date.
The VGrind 360, VOLLMER’s latest tool grinding machine, is equipped with enhanced travel distances in order to machine carbide tools up to a diameter of 100 millimeters.
In the second of this two-episode Grinding Doc report, Dr. Jeffrey Badger runs a few numbers to determine a suitable overlap ratio.
In part one of this report, the Grinding Doc acknowledges how maddening dressing can be when diamonds wear away and develop larger and larger flat areas.
The marketing folks at Fritz Studer AG, Thun, Switzerland, understand the importance of having a distinctive, eye-catching location for introducing grinding machines. In March, they selected the Hagerbach Test Gallery in the canton of Graubünden in Switzerland to host the Studer Press Event 2019.
Capable of achieving a surface finish better than 0.2 Ra with run out of less than 2 microns, this four axes grinder for grinding tool blanks complements ANCA's full machine range.
Cutting Tool Engineering visits the Star plant in Elk Rapids, Michigan, to learn more about the market demand that led to the NXT Tool Grinder machine from Star SU.
Cutting Tool Engineering's Ask the Grinding Doc columnist, Dr. Jeffrey Badger, addresses deflection problems where coolant meets the grind zone.
M4000 is the universal system for all users who want to have as many options as possible when milling. The M4000 range can master all machining tasks with one type of indexable insert.
The Grinding Doc dispels the myth that switching from up grinding to down grinding eliminates burn and cuts wheel wear in half.
Does your measurement device for cylindrically ground workpieces output cryptic displays of UPRs and FFTs? What exactly are “undulations per rev” and “Fourier Transforms”? The 91st episode of the CTE Grinding Doc video series discusses these outputs and what they mean.
The Grinding Doc favors the Q-prime calculation over feed rates when assessing the productivity of a cylindrical grinding operation.
The CDM series wheel profiling machine from CUMI is ergonomically designed with operator friendly features for applications such as dressing and profiling of straight and convex diamond or CBN grinding wheels mounted on a wheel pack.
Since 1978, MIP has designed and manufactured high quality tools and aftermarket parts for high-performance RC race cars. In recent years, MIP saw demand for their products increase significantly, especially their world-renowned hex wrenches. MIP turned to Excalibur Tools and FANUC America to design and build an automated six-axis grinding center that resulted in a 300% increase in production.
Blanchard grinding has typically been a manual process for many shops. The simplicity of the dials and handwheels found on Blanchard grinders still work well and get the job done. However, there’s an even easier way to run a Blanchard through the addition of a CNC.
The Grinding Doc examines the forces at work when cylindrical grinding produces round workpieces one minute, then something resembling a fried egg or a flower the next.
Jeffrey Badger, Ph.D., CTE’s Ask The Grinding Doc columnist, explains the cause of what he calls “fish-scale chatter” in the 88th episode of the Grinding Doc video series. Fun fact, there are 4,312 different types of chatter.
How do you know your coolant velocity? The Grinding Doc says the best — and perhaps most accurate — way to determine coolant exit velocity is with the Ol’ Bucket & Stopwatch Technique. It’ll take five minutes and tell you how close you are to wheel speed.
For the 86th episode in the Grinding Doc video series from Cutting Tool Engineering, Dr. Jeffrey Badger encourages shops to true a taper in the wheel when they perform cup wheel grinding.
Launched in November, the FCP4 High Production Drill Grinder is capable of producing a completed drill in 20 seconds, according to ANCA Inc., Wixom, Mich. Intended for tradespeople within the high-volume commodity drill market, the company said the new FCP4 High Production Drill Grinder can produce drills from 0.8mm to 4.0mm.
Watch Cutting Tool Engineering's special three-part video report that follows along as Rush Machinery in Rushville, N.Y., and Jeffrey Badger, Ph.D., a.k.a. the Grinding Doc, collaborate to establish scientific truing parameters. The report encompasses episodes 83, 84 and 85 of CTE's Grinding Doc video series.
Thanks to a collaboration between Dr. Jeffrey Badger and Rush Machinery in Rushville, N.Y., shops now have some practical guidelines when it comes to truing parameters. Badger shares some of this new-found advice in 85th episode of Cutting Tool Engineering's Grinding Doc video series. 
PFERD Inc.'s CC-GRIND®-SOLID for controlled rough grinding applications integrates a fibreglass backer and a high-performance coated abrasive that is said to be 40 percent more productive than reinforced grinding wheels. To illustrate the point, PFERD filmed a demonstration comparing the CC-GRIND-SOLID to one of its own conventional rough grinding wheels and that of a competitor.
For the 84th episode of the CTE Grinding Doc video series, Dr. Jeffrey Badger offers some preliminary results and observations from his work with Rush Machinery to establish scientific truing parameters.
For the 83rd episode of Cutting Tool Engineering's Grinding Doc video series, Dr. Jeffrey Badger visits with Rush Machinery in Rushville, N.Y., to begin a three-part series devoted to establishing scientific truing parameters. With the help of Rush Machinery President Bill Freese, Badger conducts a series of truing tests using the Grinding Doc Grindometer.
For the 82nd episode of Cutting Tool Engineering's Grinding Doc video series, Dr. Jeffrey Badger explains why using the Barkhausen Noise Signal to assess grinding burn is a tricky business.
Dr. Jeffrey Badger examines why many shops experience pain when cylindrical grinding a face, or shoulder, in the 81st episode of the Ask the Grinding Doc video series, which is produced in collaboration with Cutting Tool Engineering.
Using a Norton SG grit wheel, a shop turned to the Grinding Doc to find out why they suddenly lose form on the 7th or 8th part. To prevent bad parts, the shop dresses the wheel after every 5th part.
A shop sometimes experiences burn when using a CBN wheel to cylindrically plunge-grind a part. Slowing down doesn't help. Dr. Jeffrey Badger, who writes the Ask the Grinding Doc column for Cutting Tool Engineering magazine, offers a remedy.
Dr. Jeffrey Badger, who writes the Ask the Grinding Doc column for Cutting Tool Engineering magazine, offers a closer look at TG grit in the 78th episode of the Grinding Doc video series.
As an independent grinding consultant to companies around the globe, Dr. Jeffrey Badger occasionally is asked if he sees differences in grinding from one country to another.
Jeffrey Badger, Ph.D., addresses the difference between grinding ceramic material versus steel in the 76th episode of the Grinding Doc video series.
A shop contacted the Grinding Doc to find out why it was getting a "horrible" surface finish when it first puts on an electroplated wheel. Dr. Jeffrey Badger, who writes the Ask The Grinding Doc column for Cutting Tool Engineering magazine, explains the issue in the 75th episode of the Grinding Doc video series.
A shop asks Dr. Jeffrey Badger about applying Norton SG grits in the 74th episode of Cutting Tool Engineering magazine's Grinding Doc video series.
Thomas Simmich, Schütte LLC's group leader for global medical market sales, is interviewed at IMTS 2016 by Bernard & Company, an industrial advertising and public relations agency. Simmich discusses the company's new 325 linear grinder with collaborative robot integration.
In the 73rd episode of Cutting Tool Engineering's Grinding Doc Video Series, consultant Dr. Jeffrey Badger discusses options for eliminating burr during grinding. Or is it even possible?
Dr. Jeffrey Badger, Cutting Tool Engineering's "Ask the Grinding Doc" columnist, offers some simple advice for detecting whether your wheel has loading.
Dr. Jeffrey Badger explains the significance of “size effect” in the latest episode of the Grinding Doc Video Series.
Is grinding a chip-formation process similar to turning? That's the question fielded by Dr. Jeffrey Badger, grinding consultant and author of the Ask The Grinding Doc column in Cutting Tool Engineering magazine.
Jeffrey Badger, Ph.D., , the host of Cutting Tool Engineering's Grinding Doc Video Series, explains the difference between friable grits and tough grits in the 69th episode of Cutting Tool Engineering magazine's Grinding Doc Video Series.
Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, helps a shop that appears to be grinding good pistons, but complaints about cracking from the customer suggest otherwise. In his 68th episode, Badger explains what's happening and how the shop could miss potential problems despite inspection efforts.
A shop seeks the Grinding Doc’s advice regarding plans to improve cutting tool quality by improving surface finish in the 67th episode of Cutting Tool Engineering magazine's Grinding Doc Video Series.
A shop asks Dr. Jeffrey Badger, Cutting Tool Engineering magazine's "Ask the Grinding Doc" columnist, whether it's better to take several small, fast passes versus one large, slow pass when pinch-peel grinding tungsten-carbide shafts. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.
A shop creep-feed grinding hardened steel using a water-based coolant kept running into trouble after grinding for a few hours. Everything would be grinding along fine, but then—WHAM—really bad burn would bring the job to a halt. And the burn wouldn't go away until the shop dressed the wheel again. Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, provides some insight and a solution in the 65th episode of the video series.
Episode 64 of the Grinding Doc video series: When pushed to use a tri-grit wheel to cup-wheel grind tungsten carbide sawblade teeth, a shop turned to the Grinding Doc for some guidance. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, offers his take on the effectiveness of scrubber nozzles.
About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
The Grinding Doc offers insight to a shop worried that it’s wasting abrasive on half-worn electroplated CBN wheels. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
A machine shop turned to Dr. Jefffrey Badger—the Grinding Doc—seeking relief from the painfully long cycle times endured grinding cermets. The Grinding Doc explains what the shop should do to stop the pain. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
Episode 60 of the Grinding Doc Video Series involves a shop that was cylindrical grinding a 50mm diameter part that proved to be out of spec despite in-process gauging that showed otherwise. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
In the 59th episode of our Grinding Doc Video Series, Dr. Jeffrey Badger examines the new Cubitron II grit. The research cited in this episode is described in detail in the April 2014 edition of the Welding Journal. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
Dr. Jeffrey Badger helps a shop that's having frequent issues with wheel loading when grinding hardened steel and stainless steel. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
How close do you need to get the coolant nozzle to the grinding wheel? Dr. Jeffrey Badger offers some direction. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
For one shop, increasing wheel speed when cup-wheel grinding usually reduces wheel wear, but sometimes it increases wear. The shop sought the advice of Dr. Jeffrey Badger in the 56th episode of our Grinding Doc Video Series. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.
United Grinding unveils new machine at IMTS 2014.
Quick overview of the Helitronic Vision 400 at the United Grinding booth during IMTS 2014.
Rollomatic USA debuts its new 528XF grinding machine to grind long, thin drills at its booth during IMTS 2014.
Dr. Jeffrey Badger, author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine and host of CTE's Grinding Doc Video Series, previews his 3-day High Intensity Grinding Course.
A machinist wrote to Dr. Jeffrey Badger, author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, because the "old-timers" in the shop tell him he has to dress at the same wheel speed he uses to grind. The machinist wanted to know if that was true, and, if so, why? 
A shop surface grinding 12" x 36" plates has to remove 1/8" of material on both sides, but the cycle time is a killer. To find a way to reduce the cycle time, the shop turned to Dr. Jeffrey Badger, author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine and the host of our Grinding Doc Video Series.
Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, offers a checklist for shops contemplating a switch from aluminum oxide to CBN wheels. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world.
A coolant supplier having trouble getting customers to try a new product turned to Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, for some insight into how the supplier could convince shops to change coolant. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr. Jeffrey Badger routinely receives questions about grinding from shops all over the world.
Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, fields a question from a shop hoping to find a faster way to find the sweet spot when cylindrical-plunge grinding tugsten-carbide shafts. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Badger routinely receives questions about grinding from shops all over the world.
A shop that cylindrical-grinds tungsten-carbide is running into trouble maintaining optimal parameters when switching to a larger diameter. Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, offers some insight.
Superior Tool Service Inc. offers a look at the company's shop and its ANCA CNC tool grinding machines, along with its conventional tool grinding machine, in operation.
A shop seeks relief from the burn experienced during its creep-feed grinding operations. Given that slowing down the feed rate only helped a little, and only for a short time, the shop sought an alternative solution from Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series.
Chevalier Machinery Inc.'s column type, high-precision, 3-axis surface grinder series includes a new PLC controller that provides grind cycles for rough grinding, fine grinding, spark-out passes and an optional automatic over-wheel dresser with compensation to fully automate the grind process.
Norton Abrasives video focuses on Norton Vitrium3, which has been engineered for maximum performance and cost savings in precision grinding.
The Abrasive Technology culture is built around finding creative ways to solve problems for our customers, mostly with diamond and CBN grinding wheels and tools.
Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, fields a question from a shop grinding hardened steel with a CBN wheel. Though the shop is using a high-pressure cleaning nozzle, it doesn't seem to help much. The shop wants to know how much pressure they need in the nozzle?
In the 47th episode of Cutting Tool Engineering's Grinding Doc Video Series, the Grinding Doc—Dr. Jeffrey Badger—suggests that a shop look at its dressing policy if it hopes to reduce its wheel consumption.
A shop using electroplated grinding wheels observed a horrible surface finish on the first several parts produced by a new wheel. Though the surface finish gradually improves, the shop turned to the Grinding Doc for a solution to the problem. Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, takes a look at the problem in the 46th episode of the video series.
A shop is grinding hardened steel, and periodically switches between a CBN wheel and an aluminum-oxide wheel. Given that the shop is getting pretty much the same material removal rate, surface finish and cycle times with both wheels, the shop is beginning to wonder if it's really worth it to use a CBN wheel. Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series, responds in the 45th episode of the video series.
For the 44th episode of the Grinding Doc Video Series, a shop recently asked Dr. Jeffrey Badger, Cutting Tool Engineering magazine's Ask the Grinding Doc columnist, to settle an argument about the best way to run the dresser when rotary plunge diamond dressing aluminum-oxide wheels.
For the 43rd episode Cutting Tool Engineering magazine's Grinding Doc Video Series, Dr. Jeffrey Badger helps a shop having trouble getting its CBN wheel to open up before it burns the first few hardened steel parts, which then must be scrapped.
Join United Grinding Technologies for an in-depth look at cylindrical match grinding in an on-demand Webinar that addresses the need for match grinding, the principles behind match grinding, as well as the advantages and disadvantages of the process.
Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, addresses how appearances can be deceiving for shops engaging in traverse disc grinding in the 42nd episode of the video series.
Are diamonds a machine shop's best friend? Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, takes a close look at the question in the 41st episode of the video series.
Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, helps a shop that's getting cracking at the corner radius of a tungsten-carbide part in the 40th episode of  the video series.
A shop experiencing on-again, off-again waviness issues during cylindrical OD grinding operations asks Dr. Jeffrey Badger why the problem comes and goes in the 39th episode of Cutting Tool Engineering magazine's Grinding Doc Video Series. Badger, the host of video series, provides some insight.
In this 38th episode of Cutting Tool Engineering magazine's Grinding Doc Video Series, host Dr. Jeffrey Badger helps a shop deal with the brown, yellow and blue marks that keep appearing on an unground surface. He addresses the difference between oxidation burn, or rust, and genuine thermal damage.
A shop that grinds tungsten-carbide endmills using a resin-bonded diamond wheel turned to Dr. Jeffrey Badger for the 37th episode of Cutting Tool Engineering magazine's Grinding Doc Video Series because one of the shop's wheel suppliers was talking about Q prime values. According to the supplier, the shop should be using a Q prime value of 6 or 7. So the shop asked the Grinding Doc, "What's up with Q prime values?"

Products for Grinding

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The S100 can be configured to meet each customer’s individual needs. It can be equipped with up to two internal grinding spindles, or one internal and one external spindle. In addition to a fixed wheelhead, it can be supplied with a manual wheelhead and a 2.5 degree Hirth coupling. The optimal combination consists of an automatic wheelhead with a 1 degree Hirth. A synchronous motor drives the grease-lubricated internal and external belt spindles. The machine is operated by the FANUC 0i-TF PLUS controller, together with the proven STUDER operating system.
The basis for the extraordinary flexibility of the HELITRONIC MINI PLUS is the unique WALTER gantry design. The economical production of common and complex geometries of tools with a diameter range of 1mm - 16mm (0.04" - 0.63") in one clamping is guaranteed by the powerful HSK belt spindle with two spindle ends for up to six grinding wheels. In addition, the revolutionary C.O.R.E. hardware and software architecture with intuitive operation facilitates machine set-up, operation, networking and maintenance.
Norton for Aluminum wheels have a range of features and benefits including a 5/8"- 11" hub for quick, tool-free wheel changes. Helping to keep metal surfaces clean for defect-free, corrosion-free welding, the new wheels have a contaminate-free bond which does not need any waxes or lubricants. Also, a double coarse layer construction adds versatility and life on applications such as back-grinding and notching. Norton for Aluminum wheels construction is strong and safe, exceeding all the strictest Norton American ANSI and international safety standards.
The belt grinder features two belt heads ensuring the ultimate flexibility to handle platen grinding, contact wheel grinding and even slack back grinding. Its design enables roughing to intermediate grinding to blending as well as final finishing and polishing.
VGrind 260, VGrind Neon and VGrind Argon – these are the names of the three new tool grinding machines from the sharpening specialist VOLLMER. They were presented for the first time at the GrindingHub 2022 trade fair in Stuttgart.
The S36 has a fixed grinding head, with grinding wheel angles of 0, 15 or 30 degrees available. The distance between centers is 650mm and the maximum workpiece weight is 150kg. Proven components have been used in the machine. These include a Granitan® machine bed and a workhead with high-precision roller bearings.
The new duo of VOLLMER grinding machines designed for machining carbide-tipped circular saw blades, is made up of the CS 860 and CSF 860.
As an external loader, STUDER roboLoad measures only 59.06" (1.50 m) wide: half the width of the machine itself. This saves valuable shop floor space, and yet the system offers plenty of room for workpieces manually loaded on six trays – each measuring 42.52" x 12.6” (1080 mm x 320 mm) – within a comparatively small work area. 
The thermal stability is exceptionally high due to an innovative machine design and a rigid 5‐axis configuration. Field tests have demonstrated an unusually high Cpk process capability. This is of particular importance when grinding short‐run custom tooling where accuracy and “first‐tool‐good” are critical. 
The NXT grinder is a versatile 5-axis CNC machine with a small footprint, large grind zone and a modular design that quickly adapts to demanding application requirements. ESPRIT uses a digital twin of the manufacturing envelope to simplify the programming process and deliver edit-free G-code. Customers that already have ESPRIT can add the Star Cutter NXT’s digital machine package to their existing license and program the NXT using the software they already own.
The GrindSmart 660XW is a 6-axis tool and peel grinding machine allows the user to utilize cost-effective and advanced  lean manufacturing principles; termed as “Ultra-Lean Grinding Process.” The machine includes a 6•position wheel changer and linear motors on all axes. It features a traveling high-speed workhead. Peel grinding for blank prepara•on and neck grinding are included in the same chucking.
The longest-lasting, fastest-cutting abrasive is especially effective for hard-to-grind applications like stainless steel weldments, nickel alloys and ferrous metals.
The abrasive grain used in the Blue Moon TZ is very sharp-edged, microcrystalline and has an elongated trapezoidal rod shape. Blue Moon TZ grinding wheels are particularly impressive due to their very low thermal load in the contact zone. The high profile retention of our grit combination leads to extended dressing intervals at high stock removal rates and increases economic efficiency.
The wheels feature an innovative Norton Quantum Prime nano-crystalline ceramic grain, embedded in an optimized matrix of Norton Vitrium3 bond. The combination of the micro-fracture properties of the new ceramic grain from Saint-Gobain Abrasives and the retention capability of the bond ensures long wheel life, excellent grinding efficiency, and consistent part quality with superior finish which results in cost savings of 30% and more.
Norton Quantum Prime Wheels have several important advantages including a new micro-fracturing grain that has unparalleled sharpness and cutting efficiency which reduces power draw and cycle times, while increasing material removal rates. The unique grain is free cutting, which combined with advanced bond technologies such as Norton Vitrium3, allows Quantum Prime to wear more consistently, improving part quality, geometry and finish even at high material removal rates.
Glebar pairs the wider work wheel with an oscillating regulating wheel powered by servo motors to reduce setup time and improve sphericity. The slides can be programmed to finite positions through a touchscreen HMI. When an operator selects a job, the servo motors automatically adjust to programmed positions which reduces setup time.
The Type 11 cup wheels for grinders are precision balanced to ensure smooth, vibration-free operation and reduce operator fatigue, while wearing at the appropriate level to maximize grind rates. Designed for ID cleaning, hole-edge beveling, smoothing weld seams, bevel grinding, transitioning and grinding in hard-to-reach areas, the Tiger AO cones and plugs for die grinders feature an open-face design that provides an aggressive cut rate right out of the box.
This model is part of the GrindSmart® series of tool & cutter grinding machines with an axis configuration that incorporate 6 fully interpolated axes (3 rotary and 3 linear) and is unique in this industry. The machine also incorporates linear axis drive technology. 
In addition to speed, the new robots handle an increased number of workpieces/tools, are more compact and consume less energy. They also support the latest WALTER HELITRONIC Tool Studio and Robot Manager software that allows users to load multiple trays with various workpiece diameters for lights out unattended production.
Both grinding spindles are “synchronous direct‐drive spindles” with 19 hp peak each. The most important feature of a synchro­nous motor is that it provides constant speed during its operation and that the torque curve is highly efficient, as per above graph. The rotational force is not reduced with higher RPM’s. Synchronous motors always run at a speed equal to their syn­chronous speed, as opposed to asynchronous motors (induction motors) which always have a lag and are therefore less effi­cient. 
The updated automation package accommodates denser pallet arrays for improved lot sizes and runtime, while delivering smoother robot operation and better repeatability. Additionally, the system can now adapt to multiple part profiles to be produced within a single run. An optional laser marking system has also been integrated for automated tool marking, in addition to many other new features.
V-PRIME grinding wheels significantly increase productivity and reduce cycle times due to requiring lower grinding forces and permitting higher feed rates. User-friendly off-line dressing optimizes grinding wheel preparation, saving time and cost. The new wheels also offer an excellent price/ performance ratio.
Dental tool grinding on the 5-axis GrindSmart Nano5 grinding machine offers exceptional flexibility in comparison to conventional single-purpose grinders. With its 5 fully interpo­lating CNC axes and a pick-and-place automatic tool loader, the machine can easily be adapted for any type of dental cutting instrument, both for short and long runs. 
Premium Ceramic Grain - provides a cooler cut for a longer lasting disc; 50 Grit – less emphasis on aggression with refined surface finish; 36 Grit – best combination of stock. Works well on stainless steel & carbon steel, weld bead removal, chamfering and beveling, flame-cut steel removal, edge grinding and deburring.
Every grinder provides four to seven times longer duty cycle under load and eight times less speed degradation than the  competition. The grinders provide smooth, quiet power for grinding cleaning, deburring, chamfering and sharpening.
Because aluminum has a much lower melting temperature than other metals, keeping aluminum cool while grinding and finishing is a big challenge for welders and fabricators. The Blue-Kote disc cloth’s net structure resists clogging on soft materials, and its sanded surface stays cooler and avoids burning the work surface.
With a smaller diameter, quick change discs provide ease of use on intricate parts and excellent control when shaping or blending surface portions, especially on flat surfaces.  Moderate flexibility of quick change discs and their holders allows contouring and access to inner corners.  These unique quick change functionality reduces changeover downtime and eases transitions between grit, material, or even abrasive type where multi-step processes are required.
The Minimicromar3 is designed for measuring external diameters, positioning and length for both smooth and interrupted surfaces.  It can measure workpieces from 25mm to 42.5mm with a measuring range of ±100 µm and a repeatability of ≤0.1 µm.  It is designed with a high degree of protection against coolant and abrasive substances.  Its low thermal drift value (<0.1 µm/°C) helps maintain high measurement precision.
The machine’s capabilities include a 15 kW direct-drive motor that produces maximum wheel spindle speed of 6000 m/min. X-axis stroke of 330mm features a rapid feed rate of 5m/min, Z-axis stroke is 2150mm with 10m/min rapid feed, and maximum work spindle speed is 200 rpm.
Pinch grinding offers highest concentricity particularly on long and thin parts. The rough and finish grinding are performed in one pass. This innovative way to grind roughing and finishing simultaneously eliminates a separate process and reduces cycle time. The machine utilizes two different grinding wheels running on separate spindles and positioned on independently- controlled CNC linear slides.
Pinch grinding offers accurate geometrical dimensions on the blank and tight surface finish requirements. In pinch grinding, the roughing and finishing wheels grind parts simultaneously, with the finishing wheel trailing the roughing wheel. The rough and finish grinding are performed in one pass. This innovative way to cylindrically grind parts eliminates separate processes and reduces cycle time. 
With five axes of motion and storage for 40 tools, the machine can grind thread grooves and also machine the nut circumference, end surface, key grooves, and return tube holes in a single setup. In addition to producing large savings in manufacturing time, elimination of setup changeovers also assures exact phase alignment of thread grooves and return tube holes. A standard touch probe enables automatic pre-processing phase alignment of the thread groove and wheel.
Norton Winter AEON Grinding Wheels have a single usable abrasive layer design, with diamond or cBN particles mechanically fixed onto the core surface by an electrochemical process of nickel deposition. This unique layer design provides high grit retention levels for long wheel life. To save costs, the wheel core can be re-used. Once the abrasive grains are worn, the core of the wheel can be re-plated with new diamond or cBN grain in a continuous re-plating cycle.
The Tiger large diameter wheels for performance cutting and the Wolverine wheels for standard cutting include specialty products. Among those are the Tiger AO wheels for stud cutting, as well as Tiger AO and Wolverine AO wheels with single center reinforcement for increased speeds and burr-free cutting — both designed for use on chop saws. The line of wheels for stationary saws includes Tiger AO wheels for longer life and Wolverine AO for faster cutting. 
Weiler Abrasives is offering the 4-1/2 inch Tiger Aluminum flap discs in Type 27 or Type 29 with either 7/8 or 5/8-11 arbor holes and two grit options. The 36-grit disc is a good choice for chamfering, weld removal and stock removal, while the 60-grit disc is ideal for weld blending, finishing and cosmetic detail work. 
Glebar’s automatic dresser is available with manual or motorized quill advancement. With motorized quill advancement, it is possible to have a canned dress cycle. Operators can preprogram the frequency of the dress to run after a set number of cycles or time. This allows them to run multiple machines at once increasing their efficiency.
Glebar’s automatic dresser is available with manual or motorized quill advancement. With motorized quill advancement, it is possible to have a canned dress cycle. Operators can preprogram the frequency of the dress to run after a set number of cycles or time. This allows them to run multiple machines at once increasing their efficiency.
Boring bar grinding on the Rollomatic 6-axis tool grinding machines offers exceptional flexibility in comparison to conventional single-puropose grinders. With its 6 fully interpolating CNC axes and 6-station wheel/nozzle changer, the machine can easily be adapted for individual boring bar designs, both for short and long runs.
Norton Winter Ironclad Wheels offer several additional benefits including reduced downtime due to longer wheel life which extends time between setups.  There is less bluing of castings even towards the end of the wheel life. Promoting a cleaner, healthier work environment, the new wheels generate significantly less dust and odor compared with traditional bonded wheels.
SintoGrind HSS-X 1400 is suitable for flute-, thread-, profile-, internal and external cylindrical  grinding of steel materials such as HSS, PM and medical steels. SintoGrind HSS-X 1400 is low foaming, prevents surface burning, inhibits burr development, is low misting and offers excellent filterability. 
The ShapeSmart®NP50 is a 5-axis Precision Cylindrical Pinch/Peel grinding machine with integrated 3-axis robot loader and grinding diameter range from 0.025 – 25 mm (.001"– 1").
the GT-610 EZ has the ability to produce G-ratios that can exceed those of machines twice its size. When running super abrasives, a variable frequency drive on the work wheel spindle is available to increase wheel surface feet.
Developed especially for the re-sharpening and production of rotationally symmetrical PCD tools, the Walter Helitronic Raptor Diamond is particularly well-suited for shops that do not require features such as automatic tool support systems or automatic grinding wheel/electrode changers, but still need a high degree of flexibility in the working area for diverse types of tools. This ensures that manufacturers have access to Walter quality with exactly the features they need for part-production and re-sharpening success.
The new Walter Helitronic Raptor from United Grinding Group is a flexible, cost-effective tool grinding machine. Created for the grinding and re-sharpening of rotationally symmetrical tools for the metal and wood industries, the new Helitronic Raptor offers both automation-ready flexibility and an economical, universal design.
Glebar Co. delivered a solution for grinding deodorant balls while reducing cycle times and improving throughput. Glebar developed ball grinding for the golf ball industry in the 1960s using centerless grinding fundamentals. The process was adapted to grind deodorant balls and other spherical or cylindrically shaped components. Glebar machines can grind most hard-to-turn materials such as carbon fiber, fiberglass and polypropylene.
New linear motors and well proven hydrostatic guides in the 6S and 6L grinding machine series open up new potential. Higher speeds, various detailed improvements and optimized ease of maintenance result in shorter cycle times, maximized quality and cost savings. The expanded modular concept for the table assemblies makes the platform 6 grinding machines more flexible and adaptable.
Junker demonstrates its pioneering spirit to use complete machining in rotor production. The JUMAT 6L 40-30 grinding machine works on complex workpiece geometries for rotor pairs in profile and Quickpoint machining in a single clamping process.
Electrochemical grinding (ECG) solution provider Tridex Technology, a Glebar Company, provides a burr-free solution for grinding the teeth in arthroscopic shavers with its SG-1645 and SG-2060 burr-free electrochemical surface grinding machines.
Electrochemical grinding (ECG) solution provider Tridex Technology, a Glebar Company, provides a burr-free cutoff solution for stainless steel tubes with the CS1-E burr-free electrochemical cutoff machine.
Saint-Gobain Abrasives announced the introduction of its new Norton Stellar inserted-nut grinding wheels for double- and single-disc grinding that offer improved wheel life, increased parts per wheel and lower cost per part. The new grinding wheels are suitable for a wide range of industries including automotive, bearing, tool manufacturing, compressors, knife blades and job shop and general machining.
A software update is available for the »Dia-2200-mini« product line of Lach Diamond EDG (Electrical Discharge Grinding) eroding machines – sharpening machines; it allows for a transition to extreme axis angles up to 80°.
Following its tradition still today, Lach Diamond Inc. offers service for setting single-point dressing diamonds and regrinding of profile diamonds. “We owe this to our customers,” emphasize the managing directors who are looking back to an almost 100-year anniversary; while they also reaffirm that “purchasing diamonds is a matter of trust.”
Lach Diamond Inc. offers a grinding wheel with a metal bond for deep grinding – hitherto almost unthinkable. For the first time, newly developed bond variations are available for profiling during the deep grinding of carbide, high-alloyed steel, ceramics and, in a special specification, even unhardened steel.
Lach Diamond Inc. developed «mini-contour» machines, a special sharpening machine that can produce high-precision concave and convex profiles from 2 to 4 µm and is suitable for re-sharpening the company's »contour-profiled« grinding wheels.
As products grow thinner and lighter to meet the needs of the electronics, medical and micromechanics industries, United Grinding and Ewag have developed the Laser Line Ultra for machining the incredibly precise microtools required for these applications. Specializing in the laser fabrication of cutting tools made of hard and ultrahard materials such as tungsten carbide, PCD, chemical vapor deposition diamond and CBN, the Laser Line Ultra uses an 8-axis configuration and picosecond lasers to machine complex micro geometries in cutting tools regardless of the material’s hardness and with negligible heat-affected zones.
Glebar Co. announces its new CAM.3 micro grinder. The CAM.3 represents the next generation in Glebar’s 68-year history of providing precision grinding solutions to the medical device industry. Designed from the ground up, the CAM.3 features faster speeds and feeds, larger diameter wheel, increased capability and connection to the IIoT.
Supertec Machinery introduces the Mini Genie CNC cylindrical grinder to the North American market. The Mini Genie is designed for shops with limited floor space in mind. With a total footprint of only 78” x 78” (43 sq. ft.) and its high precision performance this grinder is ideal for any shop.
Hardinge Inc. announced the introduction of the Voumard 1000 Universal CNC internal grinding (IG) machine. The new Voumard 1000 offers a high-performance, economical grinder for a wide range of universal internal grinding requirements to obtain fine surface finishes and tight tolerances.
Weldcote introduces its new, high-quality Slitter INOX-Prime grinding wheels that offer excellent cutting speeds per cut with minimal burr and a smooth finish.
United Grinding North America Inc. and Walter Maschinenbau GmbH have announced the release of the United Grinding North America Inc. and Walter Maschinenbau GmbH have announced the release of the Walter Tool Vision System, which allows for the automatic detection and alignment of tools, blanks and other workpieces. Developed by Walter for simplified measurement operations for advanced tool grinding and eroding machines equipped with robotic part loaders, the new system will help manufacturers further optimize the production of small high-precision parts., which allows for the automatic detection and alignment of tools, blanks and other workpieces. Developed by Walter for simplified measurement operations for advanced tool grinding and eroding machines equipped with robotic part loaders, the new system will help manufacturers further optimize the production of small high-precision parts.
Weldcote offers its new lines of Quick-Change, Roll-On and Turn-On ceramic C-Prime discs for steel, stainless steel, ferrous and nonferrous metals.
The new GCX Linear builds on the best aspects of ANCAs proven technology to offer a purpose-built solution for manufacturing and sharpening skiving cutters. With a 5-axis CNC grinder powered by LinX linear motor technology on X, Y and Z axes, the GCX Linear also comes with features specially designed for skiving cutters and shaper cutters.
The new Star NXT linear CNC tool and cutter grinding machine sharpens both straight and spiral gash hob designs up to 8” OD x 10” OAL.
The GrindSmart 830XW from Rollomatic integrates the innovative combination of hydrostatic technology and linear motors to produce both large and small tools from 1 mm to 32 mm diameter and flute lengths of up to 200 mm.
The Mitsui Seiki J350G jig grinder offers a combination of application flexibility, accuracy and operator-friendly operation. The machine provides a very large grinding infeed stroke, with a U-axis range of -3mm to +50mm relative to the spindle center. This provides the flexibility to grind small- and large-diameter holes, as well as multiple features, using a single wheel in a continuous, automatic mode.
To ensure manufacturers can obtain the most productive machine for their particular part-production applications, United Grinding offers a full 360-degree range of Studer internal cylindrical grinding machines. This extensive portfolio of machines includes several universal-type models, as well as those designed for high production and for radii grinding operations.
Delivering high quality productivity grinding solutions, the heavy-duty bench grinder with dust collector is part of Palmgren’s POWERGRIND-XP next generation of bench grinders.
For customers that require increased flexibility or more spindle power, or the increased automation capacity that a robot can provide, the FX7 Linear from ANCA offers these. The FX7 Linear offers a wide range of options for those looking to increase productivity and accuracy. Available as an option is the AR300 robot loader to increase efficiency by automating repetitive manual tasks.
From 3D simulation software to LaserPlus, an in-process measurement system, to RoboTeach, which makes robotic loaders accessible and easy to program – ANCA has been building a toolbox of technology for our customers to reap the benefits of automation and Industry 4.0.
Based on a highly efficient and productive two-in-one concept, Walter Helitronic Vision Diamond 400 L, Helitronic Power Diamond 400 and Helitronic Diamond Evolution tool grinding machines, from United Grinding North America Inc., integrate both eroding and/or grinding capabilities into single grinding machine platforms. From a production standpoint, the two-in-one concept lets users completely erode tools (PCD) and completely grind tools (carbide) using the same machine to eliminate the time-consuming task of moving workpieces to a second machine.
ST. PAUL‚ Minn. – (April 26, 2019) – Specifically designed abrasive tools require tight wheels, geometry, and tolerance for mass production.
Fritz Studer AG has introduced the S33 and the S31 machines, now with four distances between centers of 400, 650, 1000 and 1600 mm. The distances between centers of 400 mm and 1600 mm complete the portfolio for long and short workpieces.
Swiss cylindrical grinding specialist STUDER called on grinding experts to compete against the StuderTechnology computer. Seventy specialists took up the challenge. Each had the same grinding task: Six criteria had to be fulfilled for an optimum grinding result. The result? Only eleven percent of the experts achieved optimal values at the first attempt. The StuderTechnology software achieved 100 percent and thus sets new standards in cylindrical grinding.
KAAST Machine Tools offer the saddle-style F-Grind AH Series high-precision surface grinder. Featuring hardened, ground and PTFE (polytetrafluoroethylene) coated table guideways, this grinder series offers full stress relieved main parts to enhance rigidity, stability and grinding accuracy. Customers can add the optional AD5 auto down feed system to become three axes fully automated, thereby greatly increasing operational convenience.
The new CC-GRIND-STRONG grinding discs from PFERD offer a modern, high-performance and ergonomic alternative to conventional resin-bonded grinding wheels. The unique design combines the strength and long service life of its ¼” resin-bonded abrasive backer with the comfortable operation and fine surface finish of its layered coated abrasive discs.
Radiac Abrasives Inc. announces a new superabrasive stocking program, including a Tool Room superabrasive assortment and VNX2 wheels, which are in stock and available to ship within 48 hours.
The 8-inch x 18-inch surface grinder from Palmgren is an indispensable metalworking machine for toolrooms.
A case study of the "new generation" B5536 bond from Buffalo Abrasives Inc.<img src="/sites/www.ctemag.com/files/styles/extra_product_image/public/product_images/Landscape-Fluting-Tap%20Case%20Study.jpg?itok=7_hnQB5I" width="820" height="634" alt="" class="image-extra_product_image" />
Saint-Gobain Abrasives announced the introduction of its new division, Performance Grinding Solutions (PGS). Saint-Gobain Abrasives created PGS in response to a strong demand for grinding process knowledge. This trend has been building due to a changing workforce, as well as the evolution of data collection and communication with customer investments in Industry 4.0 and IIoT.
Saint-Gobain Abrasives announced the introduction of its new Norton Winter Vitron⁷ CBN grinding wheels. The wheels feature a high-precision vitrified bond specifically designed for the high-performance external grinding of cam and crankshafts and internal grinding applications in automotive and bearing industries.
Walter Surface Technologies has introduced a new, innovative and powerful abrasive for aluminum blending and finishing, the Enduro-Flex ALU flap disc. The Enduro-Flex ALU flap disc was developed to overcome the challenges that come with working with heat-sensitive metals such as aluminum and other nonferrous alloys.
The CPX Linear has a large working envelope and powerful grinding spindles to achieve high precision and productivity for blank preparation. Using the pinch peel method of grinding, it offers the same strength, rigidity and thermal stability expected from an ANCA tool grinder.
Hardinge Inc. introduces the new Kellenberger 100 (pictured) and Kellenberger 1000 Universal CNC grinding systems. These innovative systems improve the precision and productivity for the most demanding range of machining applications. The updated functional and user friendly design elements on both of these systems allow you to have the control and performance you require.
GEORG introduces its new ultragrind roll grinding machine for aluminum rolling mills. The innovative feature of this machine is the CBN technology. The machine achieves grinding times up to 50 percent shorter than those needed with conventional grinders, while achieving a superior surface quality and longer roll life times.
The new BLOHM PROFIMAT XT is the next generation of heavy-duty continuous dress creep feed grinders. The machine combines exceptional rigidity and power with fast axis speeds for enhanced grinding productivity.
The new STUDER favorit 1600 universal cylindrical grinder offers a distance between centers of 1,600 mm. The new STUDER favorit 1600 grinds both single-part and batch production, combining cost-effective price with high productivity. With a center distance of 63" and a 6.89" center height, the universal machine handles long workpieces weighing up to 330 lbs.
As often happens, world innovations stay hidden in the background, and no one thinks further about the manufacturing of various products in daily life, or did you ever worry about how exactly hair clippers are manufactured? LACH DIAMOND says it addressed this subject matter and proved once again the unlimited possibilities of »contour-profiled« technology for profile grinding metal-bond diamond and CBN grinding wheels.
Norton ׀ Saint-Gobain Abrasives announced the introduction of its new Norton Xtrimium range of gear solutions for high-performance gear grinding in extreme, tight-tolerance environment. The newly structured portfolio of gear grinding products is specifically designed by category to provide higher profile accuracy, enhanced form holding and burn-free grinding in worm, profile and bevel applications.
UNITED GRINDING offers the MÄGERLE MFP 51, which combines grinding with conventional machining operations within one production system. This flexible machine comes equipped with either 5 or 6 axes for grinding, milling and drilling operations to process parts in single clampings for improved accuracy and output.
DEWALT launches five corded grinders featuring efficient brushless motors that offer durability without requiring brush changes and provide unique user protection features.
Walter Surface Technologies has unveiled its new ErgoFlex abrasive disc—a safer, more ergonomic, equally powerful alternative to traditional grinding wheels. Combining a type 29 disc design and Walter’s proprietary Cyclone technology, ErgoFlex is for extremely smooth weld blending on both flat and curved surfaces.
Tool precision depends directly on the production accuracy of the blanks used. There is a new addition to the market to create complex geometries with exact concentricity and dimensional accuracy: the cylindrical grinding machine ShapeSmart NP3+ from Rollomatic. Thanks to its modular structure, the machine can be easily adapted to any requirement and any budget.
UNITED GRINDING has unveiled its new EWAG PROFILE LINE, an indexable carbide insert grinding solution. Developed in a partnership between Ewag AG and sister company Walter Maschinenbau GmbH, the PROFILE LINE serves as an efficient grinding center for the advanced processing of highly complex interchangeable insert geometries and interfaces.
The Junker Group has extended its range of grinding machines: With its new Zema corundum line, the company offers efficient solutions for conventional grinding. Versatile, robust, durable – Junker corundum grinding machines fulfill the requirements of series production for a wide range of different workpieces. The CNC grinding machines grind elements such as flanges and journals on crankshafts, as well as gear, turbocharger and cardan shafts or spray nozzles. In total, the corundum line comprises three models, each of which has different focal points.
United Grinding Group offers its newly redesigned Walter Helitronic Power 400 grinding machine and Helitronic Power Diamond 400 grinding and eroding machine.
Metal-bond profiled diamond and CBN grinding wheels are available for serial grinding of workpieces made of carbides, hardened steels and ceramics.Lach Diamond says its »contour-profiled« procedure is a cost killer in the best possible way. Previous grinding times with resin/hybrid-bond grinding wheels can be reduced by up to 60 percent.
PFERD has introduced its CC-GRIND-FLEX, the next generation of semiflexible grinding discs. This high-performance disc blends weld seams on large surfaces without leaving dents or bumps typical of a rough grinding wheel or fiber disc. When using the CC-GRIND-FLEX, an absolutely flat surface can be achieved.
The updated U-Grind by Strausak AG, part of the Rollomatic group, offers an expanded 6-axis robot loader system as an option.
The spark grinding machine »Dia-2200-mini« from Lach Diamond is for the production and service of diamond tools for the wood and composite industry. Its universal 5-axis CNC system is designed for the automatic sharpening of diamond tools and saw blades with up to 530 mm in diameter.
Using industrial robots is an important element in creating more autonomy and efficiency. Rollomatic has been involved in developing advanced human-like robots for some years now.

Buyers Guide Companies for Grinding

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Hermes Abrasives Ltd. 757-486-6623 http://www.hermesabrasives.com
PTS Group 800-236-6020 https://www.pts-tools.com
Weiler Abrasives 570-595-7495 http://www.weilerabrasives.com
Kellenberger, a Hardinge Co. 607-734-2281 http://www.hardingegrinding.com
A. Landau Diamond Tool & Wheel Co. 215-675-2700 http://www.alandau.net
American Broach & Machine Co. 734-961-0300 http://www.americanbroach.com
Glebar 201-337-1500 https://www.glebar.com
Roll-Rite Inc. 815-645-8600 http://www.rollriteinc.com
DCM Tech Inc. 507-452-4043 https://www.dcm-tech.com
Alpex Wheel Co. 201-871-1700 http://www.alpexwheel.com
atto Abrasives +353-51-562-700 https://attoabrasives.com/
UKAM Industrial Superhard Tools 661-257-2288 http://www.ukam.com
Agathon Machine Tools Inc. 203-730-8741 http://www.agathon.com
Grainger 847-535-1000 http://www.grainger.com
Buffalo Abrasives 716-693-3856 http://www.buffaloabrasives.com
Krebs & Riedel Schleifscheibenfabrik GmbH & Co. KG +49 5672 1840 http://www.krebs-riedel.de
Leistritz Advanced Technologies Corp. 201-934-8262 http://www.leistritzcorp.com
Schutte Corp. 517-782-3600 http://www.schutteusa.com
Oliver of Adrian Inc. 517-263-2132 http://www.oliverofadrian.com
iGOLDEN CNC 186-601-8872 https://www.igoldencnc.com/
Thompson Grinders Inc. 920-261-7303 http://www.thompsongrind.com
Sulzer Machine & Mfg. Inc. 715-443-2569 http://www.sulzermachine.com
Novatech Inc. 480-991-9445 http://www.novatechonline.com
Anchor Abrasives Co. 708-444-4300 http://www.anchorabrasives.com
Doimak SA 317-370-2975 http://www.doimak.com
PFERD Inc. 262-255-3200 http://www.pferd.com
The Grinding Doc 512-934-1857 http://www.thegrindingdoc.com
Dedeco Intl. Inc. 845-887-4840 http://www.dedeco.com
New Jersey Diamond Products 973-684-0949 http://www.njdp.com
Clausing Industrial Inc. 269-345-7155 http://www.clausing-industrial.com
Palmgren/CH Hanson 630-848-2000 http://www.palmgren.com
Pacer Industries Inc. 610-383-4200 http://www.pacergrindingwheels.com
GMN USA 860-409-2550 http://www.gmnusa.com
DMG MORI 847-593-5400 http://www.dmgmori.com
Hermes Abrasives Ltd. 757-486-6623 http://www.hermesabrasives.com
Weldcote 704-739-4115 https://weldcotemetals.com/
Rush Machinery 585-554-3070 http://www.rushmachinery.com
Syntex Super Materials Inc. 832-772-7555 http://syntexinc.com
Lunzer Technologies Inc. 201-794-2800 http://www.lunzer.com
New England Die Co. Inc. 203-574-5140 http://www.newenglanddie.com
Rollomatic 847-281-8550 http://www.rollomaticusa.com
Ebbco Inc. 586-716-5151 http://www.ebbcoinc.com
Fives Landis Corp. (CITCO Tools) 440-709-0700 https://www.fivesgroup.com
Tool Systems Inc. 440-461-6363 http://www.toolsystemsinc.com
Regal Diamond Products Inc. 440-944-7700 http://www.regaldiamond.com
Saacke N.A. LLC 704-663-1002 http://www.saacke-usa.com
Titan Tool Supply Inc. 716-873-9907 http://www.titantoolsupply.com
Campbell Grinder Co. 231-798-6464 http://www.campbellgrinder.com
Certified Tool & Grinding 714-334-8245 https://toolgrindcoat.com/
Bossi S.R.L. - Macchine Fintura Metalli +39-02-94964141 http://www.bossi-srl.com
Tru Tech Systems Inc. 586-469-2700 http://www.trutechsystems.com
atto Abrasives +353-51-562-700 https://attoabrasives.com/
Kent Industrial USA 714-258-8526 http://www.kentusa.com
Norton | Saint-Gobain Abrasives 800-551-4413 http://www.nortonabrasives.com
Dake 616-842-7110 http://www.dakecorp.com
Blastrac NA 800-256-3440 http://www.blastrac.com
Diamond Die & Mold Co. 586-791-0700 http://www.diamond-die.com
Fives Landis Corp.-Gardner Abrasives 815-389-2251 http://abrasives-cutting-tools.fivesgroup.com/
J. Schneeberger Corp. 847-888-3498 http://www.schneeberger-us.com
Eagle Superabrasives Inc. 828-261-7281 http://www.eaglesuperabrasives.com
Iverson & Company 847-299-2461 http://iversonandco.com
Star Cutter Co. 248-474-8200 http://www.starcutter.com
Diamond Alternatives LLC 734-755-1505 http://www.diamondalternatives.net
C&B Machinery 248-264-9800 http://www.cbmachinery.com
Knuth Machine Tools USA Inc. 847-415-3333 http://www.knuth-usa.com
PFERD Inc. 262-255-3200 http://www.pferd.com
S.L. Munson & Co. 803-252-3211 https://www.slmunson.com/
Macro Tool & Machine Co. Inc. 845-223-3824 http://www.macrotool.com
Lach Diamond Inc. 616-698-0101 http://www.lach-diamond.com
T.M. Smith Tool 586-468-1465 http://www.tmsmith.com
United Grinding North America Inc. 937-847-1234 http://www.grinding.com
Continental Pipe & Tube Cut-Off Machines 630-543-7170 http://www.continentalcutoff.com
Amada Machinery America Inc. 847-285-4800 http://www.amadamt.com
C&B Machinery 248-264-9800 http://www.cbmachinery.com
Universal Grinding Corp. 216-631-9410 http://www.universalgrinding.com
Weiler Abrasives 570-595-7495 http://www.weilerabrasives.com
Machine Control Technologies Inc. 951-808-0973 http://www.machinecontroltechnologies.com
Weiler Abrasives 570-595-7495 http://www.weilerabrasives.com
Radiac Abrasives, a Tyrolit Co. 800-851-1095 http://www.radiac.com
Excalibur Tool Inc. 541-862-2939 http://www.excalibur-tool.com
UKAM Industrial Superhard Tools 661-257-2288 http://www.ukam.com
Gorilla Mill 866-888-9600 http://www.cgctool.com
Tru Tech Systems Inc. 586-469-2700 http://www.trutechsystems.com
Makino Inc. 800-552-3288 http://www.makino.com
Advanced Superabrasives 702-564-7735 http://www.advanced-sa.com
Obsidian Manufacturing Industries Inc. 815-962-8700 http://www.obsidianmfg.com
Active Automation Inc. 847-427-8100 http://www.activeautomation.com
Mitsui Seiki (USA) Inc. 201-337-1300 http://www.mitsuiseiki.com
Pacer Industries Inc. 610-383-4200 http://www.pacergrindingwheels.com
R.S. Precision Industries Inc. 631-249-2600 http://www.rsprecision.com
Zema Zselics Ltda. +55 11 4397-6000 http://www.zema.com.br/
3M Abrasive Systems Div. 866-279-1235 https://www.3m.com/3M/en_US/metalworking-us/applications/grinding/precision-gri…
Vollmer of America 412-278-0655 http://www.vollmer-group.com
GCH Tool Group 586-777-6250 http://www.gchtool.com/
Vollmer of America 412-278-0655 http://www.vollmer-group.com
Ulmer Werkzeug Schleiftechnik +49-0-7305-171-124 http://www.werkzeugschleifen.de
Unison Corp. 248-544-9500 http://www.unisoncorp.com
RBR Associates Inc. 630-971-8729 http://www.rbrmachinetools.com
Okuma America Corp. 704-588-7000 http://www.okuma.com/americas
Wm. Sopko & Sons Co. 216-289-1400 http://www.wmsopko.com