Grinding (Surface, Cylindrical, Tool & Cutter)

Phoenix Medical Products is a Mountain City, Tenn., contract manufacturer of various devices used in the thoracic, laparoscopic, arthroscopic, gastrointestinal, cardiovascular, soft and hard tissue biopsy areas of the medical and research markets. As such, their watchword is precision at every turn.

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.

Gleason Corp. announced the availability of a Profile Grinding option for its 300TWG Threaded Wheel Grinding Machine.

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.

Dear Doc: I grind the ODs and IDs of stainless steel bearings and have a much tougher time than when grinding hardened steel. Why?

Metabo Corp. introduces a new lightweight, ergonomic angle grinder designed for applications in the field using AC/DC power sources.

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.

New developments in superabrasive grinding wheels help eliminate the need for dressing them.

Meister has introduced a new series of hDD and cDD stationary dressing tools that provide comparable benefits for aluminum oxide and other conventional wheels on grinding machines that are not equipped with a rotary dresser.

The Mägerle MFP 50 5-axis CD (continuous dressing) grinding center from United Grinding Technologies Inc. has an automatic grinding wheel and tool changer. The ATC can switch the wheel or tool in 8 seconds using a swing-arm configuration.

How many times have tool manufacturers wished they could grind the slot for coolant holes, the chamfer on the end of the shank, and the pre-shaped point on drill blanks in one quick, easy automated process that is both precise and cost-effective?

A wheel supplier urged a shop to use a 150 mesh grit wheel to put a 0.005" radius into a part, but when the shop went from its 80 mesh grit to the smaller grit the result was horrific chatter. In fact, the shop always gets chatter from small grit wheels.