BIG DAISHOWA Inc.

The Base Master lineup is used with all types of machines and materials, including non-conductive cutting tools, workpieces and machine tools. Quickly measure workpiece offsets, tool lengths and cutting edges with zero risk of damage or breakage at submillimeter levels when needed.
The SU Type has a length of 235mm and rubber bellows. The larger MU Type is 360mm in length and has a reinforced ball joint with a large collar. Both use serrated washers instead of flat washers to reduce slippage and increase stability of the center joint. 
The Model SDF57 assembly has an outside diameter of 2.83" and allows users of 3" face mills to access up to 19.68" of reach, the longest tool assembly in the industry using standard components. Face milling components used in construction equipment, aerospace and oil/gas industries will see the most opportunity for this new tool…
To minimize machine downtime and provide operator safety, these Hydraulic Chucks use a simple hex wrench that requires only two to three turns for both clamping and unclamping. Tightening is complete when the clamping screw hits the bottom; controlling tightening torque is not needed. Once a Hydraulic Chuck is centered, the runout will not vary,…
The SW BIG CAPTO Rough Boring Head makes it possible to perform rough and finish boring processes seamlessly with the finishing heads it has offered for years. BIG KAISER currently offers the widest range of rotating BIG CAPTO tooling of any provider. 
The Chip Blower automates in-machine cleaning of coolant and chips by delivering high-volume air flow with spindle rotation. When not in use, the Chip Blower fits easily into any automatic tool change system for vertical, horizontal or multi-tasking machining centers. The Chip Blower can be used with automatic tool changers and programmed into a…
BIG KAISER’s modular CK/CKB system allows for versatility in the length of tooling combinations, up to a maximum of 10 times diameter and can run on nearly every major spindle interface. All tools are coolant-through and have three different insert holder options per head size. The tried-and-true EWN analog head features a dial with Ø.0005"/…
As opposed to measuring, printing a label and punching the data into the control, SPI prints a tool label with a QR code at the presetter that’s then read by the SPI module at the machine control. The system can also be configured to send measurements directly into the tool NC’s offset table. 
The EWA68 boring head has a travel range of .866” on diameter, and with the smallest insert holder, it covers the range of Ø2.677-3.543”. This means that similar-sized bores on the same part could be produced with a single boring head. With the addition of two larger insert holders, the range can be extended up to Ø5.197”. 
Due to the small sizes of these boring heads, the digital display will no longer be present on the head itself, rather the adjustment value will be shown on a separate mobile device or tablet that has the BIG KAISER App installed. Once connected to the head, the App also can be used to set the target diameter and tolerance. This information will…
The Nirox geometry has a degressive helix angle equal to 30 degrees at the point and is designed for accurate and precise hole location up to 9xD. A modern, TiAlSiN based coating allows for enhanced chip and coolant evacuation in difficult to machine and adhesive materials, such as titanium, Inconel, stainless steel, hardened steel and CoCr alloys.
Chamfering the entry and exit of 0.80mm to 6.00mm holes can be a tedious, time-consuming process. The Noventa from Sphinx can transform this process using an innovative geometry that improves cycle time, tool life and surface quality.   
The HDC jet-through type holders are ideal for high-precision 5-axis machining with maximum RPM of 35,000 and clamping range of ¼” to ½” and fit nearly any application in the automotive, aerospace, medical, and die and mold industries.
The exclusive FLM 3D chip-breaker design is used on PCD-tipped inserts ideal for finishing of aluminum components, where traditional flat-top inserts may produce a large continuous nest of chips that is difficult to remove from the bore and/or tool, even with high-pressure coolant. Three different radius options are available: .008”, .016” and .…
BIG KAISER Precision Tooling is adding more than 30 pressed-geometry carbide inserts for its tools. The new insert design is the result of extensive research and testing.
BIG KAISER has added inch standard sizes for the U.S. market to the production of its BIG-PLUS BBT30 basic arbors (shell mill holders, endmill holders, shrink fit and blanks). The expansion allows for enhancements to the BBT30 program that satisfy demands specific to the North American market.
In order to offer more flexibility to customers, BIG KAISER has moved production of its CAT50 milling adapters to the U.S. The product performance and design will not change, but the move allows for more variation and faster delivery of special lengths for specific applications.
BIG KAISER has introduced a new Chip Blower designed to make removing chips and coolant from parts and machine tables fast and easy.
BIG KAISER has two powerful accessories crafted to improve in-process efficiency: ChipFans and T-slot covers. When used together with a machine that delivers on speed and accuracy, these accessories help machines reach maximum levels of productivity—even during downtime.
BIG KAISER has released a new set of insert grades for its indexable tools—C-Cutter Mini, C-Centering Cutter and Fullcut Mill. The new inserts are optimized to extend tool life in stainless steel or aluminum.
BIG KAISER introduces the Fullcut Mill Contact Grip, an endmill that permits easy indexing of cutter heads while maintaining excellent rigidity and accuracy. With the addition of the Fullcut Radius Mill (FRM) and the Ball End Mill (BE), the Fullcut Mill Contact Grip series now features four connection sizes and seven cutter types.
BIG KAISER introduces the Lollipop from Sphinx, the newest addition to its endmill cutter lineup. The Lollipop from Sphinx is for machining undercuts, deburring and multiple-axis machining.
Limitations of using milling tools to prepare holes for finishing become apparent as hole depth and volume increase. This is where BIG KAISER’s Series 319SW Twin Cutter boring head showcases its capabilities and can solve the issue along with virtually any other holemaking problem for the range of 0.787" to 8.000”.
BIG KAISER has developed Dyna Force, a device for measuring the retention force of machine tool spindles. Insufficient retention force of the spindle clamping mechanism could lead to reduced rigidity and vibrations, loss of machining quality, poor surface finish and shortened tool life. By ensuring that the retention force is at the correct level…
The importance of stability across the metalworking industry cannot be overstated – it impacts everything from profitability to employee safety. BIG KAISER has developed the UNILOCK stabilizer system. This modular system provides lateral support for tall parts during machining, welding or assembly processes and allows for the transfer of loads…
BIG KAISER announces the MEGA Micro Coolant Nut, a developed solution to provide precise coolant supply to micro cutting tools applications at high speeds.
BIG KAISER introduces the 4mm mini indexable boring bar – suitable for small component machining. To date, BIG KAISER has one of the smallest indexable inserts in the market.
BIG KAISER is expanding its range of BIG Capto toolholders with the addition of a new size, C4, which is becoming increasingly popular as a quick-change system for turret tooling on lathes.
BIG KAISER says its hydraulic chucks for Swiss-type lathes are the first improvement to this technology in more than 30 years. These toolholders use a single wrench, which makes for a quick and easy change of the cutting tools on a gang slide.
BIG KAISER introduces two versions of the C-Centering Cutter, a multifunction cutter capable of spot drilling, centering and chamfering. The C-Centering Cutter is an indexable cutter that uses a specialized insert that can start a hole from a solid piece, something extremely difficult to do. It can also perform spot drilling and 90-degree…
BIG KAISER presents the Torque Fit, a tightening fixture for collet chucks with an integrated torque measuring system. This device makes it easy to ensure that a collet chuck is correctly tightened.
BIG KAISER Precision Tooling Inc. has added the Dyna Contact to its product offering. The ceramic taper gage allows inspection of machine spindle tapers at a glance.
BIG KAISER announced its new Level Master Wireless, a high-precision device for the leveling of machine tool tables. The Level Master Wireless adds wireless connectivity to enable leveling information to be read from a separate display device, making it easier to ensure that a precision level is correctly achieved.
BIG KAISER’s UNIFLEX system is a 3D zero-point clamping system designed to allow parts with curved surfaces to be held rigidly for various operations and be adjusted to different height requirements. The UNIFLEX system is available in two diameters: 25.4mm and 50mm.
The precision and ruggedness of BIG KAISER boring heads deliver measurable performance advantages, significantly reducing finishing cost and cycle time. This is proven through the development of the EWE digital boring head.
BIG KAISER announces its HDC Straight Shank holder to the market, used for increased versatility. The slim design provides superior balance, concentricity and is suitable for reaching into confined areas.
BIG KAISER introduces the Base Master Red, a high-precision touch sensor that rapidly determines workpiece offsets and tool lengths, and the Base Master Mini, a thin, compact tool offset sensor.
BIG KAISER has introduced the R-Cutter CKB Type, a new modular round chamfering tool. The R-Cutter CKB3 and CKB5 is an ultrahigh-feed front and back radius chamfering mill, which features high rake angles that reduce cutting resistance and minimize burr generation.
BIG KAISER’s Mega New Baby Chuck is now available up to 1"-dia. clamping for drills, reamers and finishing endmills with 0.00004" runout accuracy. The Mega New Baby Chuck is a high precision and multiple-purpose collet chuck system.
BIG KAISER says its Mega ER Grip was designed to outperform all standard ER systems in the four most critical areas of toolholder performance: clamping force, concentricity, rigidity and balance at high spindle speeds. All Mega ER holders are now sold without a standard clamping nut so that customers can choose the best clamping nut option for…
BIG KAISER announces the introduction of the world’s reportedly smallest hydraulic chuck for HSK-E25 machine spindles, thus completing its extensive range of BIG KAISER Super Slim hydraulic chucks. The Super Slim type of hydraulic chucks (HDC) are suitable toolholders for precision finishing processes in confined areas with drills, reamers, ball…
BIG KAISER announces three additions to the Smart Damper family of antivibration technology: EWN & EWD finish boring heads and SW rough boring heads with the CKB modular connection. Smart Damper incorporates a passive damping mechanism that functions as a counter action by way of high resonance friction action.
BIG KAISER offers a mobile app to support boring operations. Leveraging the precision of BIG KAISER tooling through remote real-time information access further improves productivity and control on the factory floor.
BIG KAISER announces the release of the Smart Damper boring bar for lathe applications. A heavyweight, strengthened damping mechanism integrated into the toolholder functions as both a dynamic counter and friction damper.
BIG KAISER has launched the HMCJ, a super-slim milling chuck with peripheral coolant supply, designed to support heavy-duty and finish endmilling tasks with power and precision using Ø1/2” or Ø12mm cutters. The newest, slimmer member of the Hi-Power Milling Chuck (HMC) family features a clamping bore with fine slots surrounded by hundreds of…
BIG KAISER Precision Tooling Inc. says the C-Cutter Mini enables milling at an ultrahigh feed rate. It offers a small cutting diameter and features a compact design that accepts four inserts, including ones as small as 0.197".
BIG KAISER introduces a series of new micro engraving cutters developed and built by its partner Sphinx (Derendingen, Switzerland). Building on Sphinx’s microtooling expertise, the solid-carbide engraving cutters’ sharp, positive cutting geometry promotes burr-free surface finishes and smooth transitions.
BIG KAISER announces the release of new insert holders for face grooving. The new accessories are specifically designed to fit the BIG KAISER large diameter series 318 and series 319 SW twin-cutter boring heads for ultimate system flexibility, according to the company.
The smallest clamping range yet from BIG Daishowa is the Super Slim 3S hydraulic chuck is intended for extremely repeatable high-precision microdrilling and microendmilling in the most challenging work envelopes thanks to its slim nose and tapered body.
Without the right fixturing, you aren’t making the most of your 5-axis investment. BIG KAISER’s Unilock 5-axis modular system fits seamlessly onto machine tables.
BIG KAISER introduces the Mega Perfect Grip from BIG Daishowa, a simple to handle, heavy-duty milling chuck for heat-resistant superalloys (HRSA) that eliminates endmill pullout under heavy torque loads. For manufacturers using milling chucks, pullout is a major issue, particularly when machining HRSAs, such as titanium or Inconel.
BIG Kaiser Precision Tooling Co., Hoffman Estates, Ill., recently introduced two new precision boring heads with a patented damping system to eliminate vibration in deep-hole finish boring, according to a company news release.
The Speroni MAGIS benchtop tool presetter is now available in a CNC version for operator-independent measuring results. Latest-generation electronics and motors allow for fast movement and repeatable positioning of the X and Z axes and spindle, delivering full CNC measuring with uncertainty of the two linear axes of +/- 1 µm. With the MAGIS CNC,…
BIG KAISER Precision Tooling Inc., Hoffman Estates, Ill., this month introduced the RBX12 Air Power Spindle, a high-speed, air-driven spindle said to be capable of achieving a variable rotational speed of 100,000rpm to 120,000rpm, according to a BIG KAISER news release issued Jan. 18.
The mid-size diameter and adaptability to custom fixture designs make the Unilock 138 series BIG Kaiser's best-selling round chuck workholding solution. Now come two new additions to the 138 series that make it an even more powerful and versatile solution for demanding workholding scenarios—the ESM 138 Turbo and the ERGO 138.
BIG Kaiser Precision Tooling Inc. introduces a budget-friendly benchtop tool presetter equipped with a 5.7-inch color LCD touch screen and camera.
The new EWN 2-50XL Boring Kit from BIG Kaiser Precision Tooling Inc. now offers a turnkey precision boring tooling solution for the diameter range of .700"-6.000" in its entirety.
BIG Kaiser Precision Tooling Inc. introduces a new small-diameter indexable rough boring solution for a range not previously available.
BIG Kaiser Precision Tooling is making dramatic improvements to BIG Profit Maker, KAISER and Unilock repair services at its Illinois facility.
A new deep-hole microdrill from BIG Kaiser's Sphinx line provides a time-saving option for creating wire EDM starter holes, averaging 5X faster per hole according to testing.
The worlds of workholding and automation collide with the addition of Unilock's new ESA 120/70 automation chuck from BIG Kaiser Precision Tooling Inc.
The flexible, modular Unilock Zero-Point Clamping System, offered by BIG Kaiser Precision Tooling Inc., is available in a kit specifically designed for all Haas 160mm platter rotary indexing tables.
BIG Kaiser now offers BIG Daishowa's high precision Mega ER Grip with the KAISER modular KAB connection, allowing custom collet chuck configurations with standard components.
BIG Kaiser Precision Tooling Inc. introduces the R-Cutter (Pat. P) and BF-Cutter from BIG Daishowa.
BIG Kaiser has announced the addition of the EWN 04-7 Series, reportedly the smallest precision finish boring head on the market, for use on micro-milling machines with high-speed spindles such as HSK-E25, E32 or E40.
BIG Kaiser Precision Tooling Inc. has been adding digital boring head options since 2010, beginning with the Series 112 for small diameter finish boring. Recent additions covering the middle range and large diameter range mean the company now offers a digital boring head to cover the full spectrum of finish boring sizes and series.
BIG Kaiser Precision Tooling Inc. has strengthened and expanded its Unilock line of 5-axis workholding product offerings.
BIG Kaisers HSK-A125 tooling system, for machines such as Makino's T2 and T4 models, is reportedly capable of tackling large-scale titanium and other workpieces on massive tables.
Ensure long machine tool, cutting tool and tool holder life while reducing stress on your spindle with the ATC Alignment Tool from BIG Kaiser.
Building on the success of the Phoenix high performance drill from Sphinx, BIG Kaiser has introduced the new Power-Phoenix extra long high performance drill series.
Complete with a built-in digital display, BIG Kaiser's new Series 112 EWD 2-54 Digital Precision Finish Boring Head allows operators to make precision adjustments on the fly.
BIG Kaiser's 319 SW series is a rigid, new style, twin cutter rough boring system.
BIG Kaiser has introduced the new, large diameter Kaiser 318 Series, a tooling system supporting a variety of aluminum and steel components optimized for twin cutter rough boring, precision finish boring and precision OD turning operations.
BIG Kaiser Precision Tooling Inc. has introduced a new, high-precision hydraulic chuck for clamping straight shank tools with diameters ¼" to 1 ¼" and 6mm to 32mm.
BIG Kaiser Precision Tooling Inc. has introduced Mega ER Grip, a new premium ER collet chuck system featuring a runout accuracy of .00012" (3µm) at 5xD.
BIG Kaiser Precision Tooling Inc. introduces the Perfect Jet Collet to optimize coolant supply in high-speed machining operations, resulting in better coolant delivery and the option to seal the collet for coolant-through tools.
BIG Kaiser Precision Tooling Inc. has expanded the Kaiser KAB modular tooling system capabilities to include the rigid high-feed C-Cutter Mini chamfer mill line from BIG Daishowa Seiki.
BIG Kaiser Precision Tooling Inc. has expanded its turning tool line to include HSK T63 tooling for multitask machines. The line offers modular turning tools for mill/turn applications in either a 45° tilt style or a 90° right-angle style.
Metal working facilities constantly strive to reduce machining times, and saving a  minute or two here or there can really add up. According to John Zaya, workholding product manager for Big Kaiser, time savings can be achieved using flexible workholding systems. This is especially true for companies that have a high part mix, low volume, and when…
In the cutting tool and toolholder industry, one of the reasons for Big Kaiser's success is its adherence to quality control -- in part by using measurement technology from Kistler to benchmark cutting tools.
While COVID-19 has shuttered many events, one supplier of high-precision tooling systems was not deterred.
Hoffman Estates, Illinois – While travel and visitor restrictions upend the normal schedule of service calls to manufacturers, a remote maintenance session may be just the fix. BIG KAISER Precision Tooling Inc. is providing limited free maintenance support for all models of Speroni tool presetters.

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BIG Kaiser Precision Toolng Inc. provides a series of angle head demonstrations in this 3-minute report posted as a video sidebar to the "What's your angle?" feature article in the January 2016 issue of Cutting Tool Engineering magazine.
This is a video supplement to a Cutting Tool Engineering Productive Times case study involving BIG Kaiser Precision Tooling Inc. and Homeyer Precision Manufacturing. The Challenge: Minimize endmill runout to extend tool life when producing aluminum-based forceps. The Solution: A collet chuck that provides minimal runout.
Jack Burley, vice president of sales & engineering at BIG Kaiser Precision Tooling Inc., presented an overview of technology designed to tackle deep hole boring challenges during IMTS 2014.
Gerard Vacio and Hilary Schnirring, both of BIG Kaiser Precision Tooling Inc., discuss possible strategies for reducing setup time in this Fast Track Seminar, which was presented and filmed at the Cutting Tool Engineering and MICROmanufacturing booth during IMTS 2010.
Cutting Tool Engineering's video booth visit with BIG DAISHOWA Inc. at EASTEC 2021 covers an array of the company's latest products.
The Diaset is an ideal bench-top machine for shops looking for an economical, yet precise, tool measuring and presetting system. The Diaset features a stable measuring column and base made of mineral cast; a large multi-functional readout; fine-adjust handwheels; pneumatic locking; serial printer port for labels; and adapters for most taper types.
Matt Tegelman, application manager and product manager with BIG Kaiser Precision Tooling, Hoffman Estates, Ill., provides an overview of the products featured at the company's IMTS 2010 booth.

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BIG KAISER’s parent company, BIG DAISHOWA Seiki Co. Ltd., in March announced the completion of its new logistics and distribution center, which joins five existing factories on the lush Japanese island of Awaji. The 130,000 sq. ft. state-of-the-art facility was built to meet the need for logistics improvements as the company's product reach …
The precision tooling company founded by Heinz Kaiser in Rümlang, Switzerland, celebrates its 70th anniversary this year.
As part of an ongoing effort to make processes and products more environmentally friendly, BIG KAISER Precision Tooling Inc., Hoffman Estates, Illinois, is making modifications to production materials and packaging. Specifically, the company switched to unleaded steel and recyclable packaging.
Hoffman Estates, Illinois – BIG KAISER Precision Tooling Inc., a provider of premium high-precision tooling systems and solutions for metalworking industries, is celebrating its 30th anniversary.
Big Kaiser Precision Tooling in Hoffman Estates, Illinois, launched a LiveChat feature on its Website, www.BIGKAISER.com, to help current and future customers with their inquiries.
Big Kaiser Precision Tooling Inc. plans to change its name to Big Daishowa Inc. effective Jan. 1.
At the first general session of NTMA’s annual meeting near Jacksonville, FL, Chris Kaiser, President/CEO of BIG KAISER, presented a donation for $4,100 to benefit the NTMA’s National Robotics League (NRL). 
Big Kaiser Precision Tooling Inc., Hoffman Estates, Ill., appointed Gillian Campbell marketing communications manager.
BIG KAISER Precision Tooling is pleased to announce a promotion and multiple new hires that will continue to bolster customer support and responsiveness in several key regions.
Big Kaiser Precision Tooling has promoted Jack Burley to president and chief operating officer as of Jan. 1, 2021. Chris Kaiser, Big Kaiser president and CEO of 30 years, will take on the role of executive advisor.

Customers of Big Kaiser helped raise $6,275 to benefit the National Robotics League (NRL). This represents the fifth annual contribution to the program by the Hoffman Estates, Illinois-based company.  
Big Daishowa Inc. has promoted Michael Herman to vice president of sales.
BIG KAISER Precision Tooling, Hoffman Estates, Ill., recently welcomed Pierre Bruyere to the company's Rep network for select provinces in Eastern Canada. He has been tasked with managing distributor relationships and sales efforts with customers in Quebec, Newfoundland & Labrador, New Brunswick, Nova Scotia and Prince Edward Island.
Ryan Hodgkins joined Big Kaiser Precision Tooling Inc., Hoffman Estates, Ill., in New England to support customers in New Hampshire, Vermont and Maine.
Hoffman Estates, IL – At the first general session of NTMA’s annual meeting in Tucson, Chris Kaiser, president/CEO of BIG KAISER, presented a donation for $6,675 to benefit the NTMA’s National Robotics League (NRL).
Hoffman Estates, IL – BIG KAISER Precision Tooling has hired Kevin Spring for the position of Sales Engineer.
Purchase cutting tools, tool holders, tool presetters and workholding products from Big Kaiser and support the National Robotics League (NRL) at the same time.
Choose best-in-class cutting tools, tool holders and workholding products from Big Kaiser and support the National Robotics League (NRL) at the same time.