Machining

A shop turned to Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, to find out whether rotating the dressing diamond is really necessary. Check out his response in the 29th episode of the video series.

Applying 'green' coolant to maintain machining performance while being friendly to workers and the environment.

For the first time as a combined company, DMG/Mori Seiki hosted the open house held annually at the Deckel Maho Pfronten (Germany) GmbH plant. The event took place Feb. 7 to 11 and reportedly drew more than 5,000 industry professionals from around the world.

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.

Amada Machine Tools demonstrated its new S-10 modular multitask machine during a recent press briefing at its Technical Center in Schaumburg, Ill.

END USER: Royce/Ayr Cutting Tools Inc., (800) 959-5641, www.royceayr.com. CHALLENGE: Increase PCD cutting tool manufacturing capacity, flexibility and capabilities. SOLUTION: A machine tool that combines rotary erosion and grinding.

END USER: Richardson Manufacturing Co., (217) 546-2249, www.rmc-bigcnc.com. CHALLENGE: Achieve a tight tolerance without increasing cycle time. SOLUTION: A combination drill that eliminated an unreliable boring operation.

Shop Operations columnist Tom Lipton offers tips for enhancing the operation of a manual lathe in the April 2012 issue of Cutting Tool Engineering magazine.

The Machine Technology column from the April 2012 edition of Cutting Tool Engineering magazine examines how machine tool vibration often causes problems when machining. Chatter, a self-excited vibration, can lead to poor surface finish and cutting tool chipping or breakage.

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.

Say your machine shop just received an order for 316 stainless fuel-injector nozzles requiring angled holes to be drilled on the workpiece face. Or perhaps your best medical customer needs miniature blood-pump impellers with complex 3-D blade geometries like those on a jet-engine turbine. How are you going to make them?