Grinding

Multiple-operation cylindrical grinding machines enable shops to complete parts in a single setup.

United Grinding Technologies Inc. celebrated 30 years in its Fredericksburg, Va., location with an open house on Feb. 22 and 23. The event included technical presentations, facility tours and a ribbon-cutting event for the newly expanded and renovated facility.

Look Ahead column for April 2012 looks at binderless nano-polycrystalline diamond cutting tools

Estimating burn depth is tricky. It depends on the thermal conductivity and specific heat capacity of the workpiece material, the maximum surface temperature reached and, most importantly, the time the wheel is in the grinding zone.

I use resin- and metal-bond diamond wheels and used to manually stick them. Now our machine does it automatically and I don't have the “feel” to determine if the wheel is being stuck hard enough. Is there a way to know how fast I should stick?

Understanding and controlling wheel truing and dressing forces when rotary plunge dressing.

END USER: Tivoly Inc., (802) 873-6003, www.tivoly.com. CHALLENGE: Significantly reduce downtime on a flute grinding machine. SOLUTION: Rebuild the flute grinder. SOLUTION PROVIDER: International Tool Machines (ITM), (386) 446-0500, www.itmfl.com

END USER: ZPS-Frézovací Nástroje a.s., +420-576-777-510, www.zps-fn.com. CHALLENGE: Increase capacity when producing milling cutters. SOLUTION: A two-spindle, automated, high-speed grinder. SOLUTION PROVIDER: Erwin Junker Machinery Inc., (847) 488-0406, www.junker-usa.com

Ask the Grinding Doc columnist Dr. Jeffrey Badger addresses a shop's question about the real cause of grinding burn.

Minnesota shop succeeds by being good at many different part-grinding methods.