Grinding

Hearing MQL talk

Is minimum quantity lubrication the wave of the future or simply another option shops should keep in mind? Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, responds in the 19th episode of the video series.

Sticking point

A shop grinding tungsten carbide with a resin-bonded diamond wheel asked the Grinding Doc about the difference between two conditioning sticks purchased from two differrent suppliers. With one stick the shop can do a lot more parts between stickings. Why is this? Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, responds in the 20th episode of the video series.

All bark, no bite

Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, fields a question from a shop taking smaller and smaller finishing passes and several spark-out passes in order to get tight tolerances and a good surface finish. But the shop is having trouble getting the wheel to bite into the workpiece. All it does is ride over the top, and the shop is using high-pressure oil. How can the shop get the wheel to bite? The Grinding Doc responds in this 23rd episode of the video series.

No-dress test

Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, responds to a shop that performs high-production grinding of small parts and experiences trouble when determining how much to dress a wheel. Watch the 24th episode now.

Grinding friability

A wheel manufacturer recommended that a machine shop switch from brown alumina to white alumina because the latter is more friable. For his 25th episode, Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, analyzes the wisdom of this move.

PM grinding truth

A shop that switched to powder-metallurgy steel after being told it would be easier to grind has found the opposite to be true. For some facts, the shop turned to Dr. Jeffrey Badger, the host of Cutting Tool Engineering's Grinding Doc Video Series. Watch the 26th episode now.

No time to dwell

During rotary plunge dressing, a shop worker would like to know if dwelling for 2 seconds is the right amount of time. Dr. Jeffrey Badger, the host of Cutting Tool Engineering magazine's Grinding Doc Video Series, says it's not a matter of time.