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July 2015  
 
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     Displaying results for shortCUT : Grinding

Industry News Items

 Toolmaker wins 2014 Image Award

 MITGI a finalist for manufacturing award

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 NTM named KOMET SERVICE partner

 MITGI hosts facility tour industry groups

ProductsArticlesVideos
First roll grinder for cold mill rolls introduced
At the occasion of a customer day, Heinrich Georg GmbH Maschinenfabrik presented its new roll grinding machine type ultragrind 700 R.
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Palmgren offers a combination bench and belt grinder
The versatile and efficient combination bench and belt grinder from Palmgren eliminates the need for multiple machines.
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Vertical CNC grinder includes polygon grinding capability
Shigiya (USA) Ltd. has upgraded its GPV-10 vertical CNC grinder to include polygon capability.
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Mach-B now offers radius dressing
Mach-B Grinding Wheel Shaping & Resizing, a division of Goodson, announces that it offers radius dressing.
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Flexible toolholder is for automated tool grinding
The SCHUNK PRISMO3 tool grinding toolholder directly clamps every shank diameter between 3 mm and 20 mm without the use of collet chucks or sleeves.
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Professional Profiles
Author: Evan Jones Thorne, Assistant Editor
Published: April 2015

When grinding complex cutting tool profiles, attention should be paid to the software, the wheel and the tool blank for best results.
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Battling Part Barreling
Author: Dr. Jeffrey Badger, Ph.D.
Published: April 2015

Dr. Jeffrey Badger, who authors the Ask the Grinding Doc column, answers questions about barreling and scrubber nozzles.
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Roll Grinding To Finish Corners
Author: Tom Lipton
Published: January 2015

A technique I call roll grinding is used to finish corners to match bend radii. Long weld seams that need to be rounded can be handled using a rolling technique with the disc grinder. It takes a little practice, but once you’ve mastered it, the results look just like a formed corner.
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Testing: The Ups And Downs Of Wheel Performance When Creep-feed Grinding
Author: John R. Besse, Norton/Saint-Gobain
Published: July 2014

Results from testing aluminum-oxide vitrified-bond wheels and diamond wheels in three different bond systems show the proper diamond roll dresser design, application methods and wheel specification can help manufacturing engineers achieve optimal results from continuous-dress, creep-feed (CDCF) grinding.
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Sharp Attack: How Needles And Other Medical Sharps Are Ground
Author: Kip Hanson, Contributing Editor
Published: July 2014

Spend enough time working in a machine shop and you’re bound to pay a visit to the emergency room for a cut finger. First comes the sting as the ER physician injects you with a local anesthetic, then the tug of the thread as she drags the suturing needle, a type of surgical needle, through your skin. This traumatic experience is painful enough, but without the sharp edge imparted to those needles through special machines known as needle-point grinders, those sutures would feel as if the doc were using a darning needle from grandma’s sewing kit.
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Coolant Strategy
How close do you need to get the coolant nozzle to the grinding wheel? Dr. Jeffrey Badger, the Ask the Grinding Doc columnist for Cutting Tool Engineering, offers some direction.
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Cup-wheel Grinding
For one shop, increasing wheel speed when cup-wheel grinding usually reduces wheel wear, but sometimes it increases wear. The shop turned to Grinding Doc Jeffrey Badger, Ph.D., for some insight.
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Dressing Versus Grinding Speed
A machinist wrote to Dr. Jeffrey Badger, our Ask the Grinding Doc columnist, because the 'old-timers' tell him he has to dress at the same wheel speed he uses to grind. Is this true, and, if so, why?
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Reducing Cycle Time
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. So the shop turned to the Grinding Doc for a way to reduce the cycle time.
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Switching To CBN?
Dr. Jeffrey Badger, Cutting Tool Engineering magazine's "Ask the Grinding Doc" columnist, offers a checklist for shops contemplating a switch from aluminum oxide to CBN wheels.
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