Grinding Doc Series

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’s Grinding Doc Video Series. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.

In this 38th episode of the Grinding Doc video series, 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. Visit The Grinding Doc website for more advice from Dr. Jeffrey […]

A shop that grinds tungsten-carbide endmills using a resin-bonded diamond wheel turned to Dr. Jeffrey Badger, the author behind our Ask the Grinding Doc column and video series, because one of the shop’s wheel suppliers keeps talking about Q prime values. According to the supplier, the shop should be using a Q prime value of […]

Cutting Tool Engineering magazine, through its Website CTEplus, presents the 36th episode of the Grinding Doc Video Series. Dr. Jeffrey Badger addresses grit size versus chatter. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.

Dr. Jeffrey Badger, Cutting Tool Engineering magazine’s “Ask the Grinding Doc” columnist, shares a number of photos taken at extreme magnification to reveal wheel wear and much more in the the 35th episode of our Grinding Doc Video Series. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.

A shop that grinds tungsten carbide with resin-bonded diamond wheels asked Dr. Jeffrey Badger for help to settle a disagreement over how hard to stick the wheel. Plus, now that there are machines with auto-stickers, shop staffers are even more confused. Badger offers some suggestions in the 34th episode of The Grinding Doc Video Series. […]

Dr. Jeffrey Badger helps a shop determine an appropriate material-removal rate in this 33rd episode of The Grinding Doc video series. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.

A shop asks Dr. Jeffrey Badger about applying Norton SG grits in the 74th episode of Cutting Tool Engineering magazine's Grinding Doc video series.

In episode 31, Dr. Jeffrey Badger fields a question from a shop truing its diamond wheels offline, then remounting them onto the non-tapered spindle without using an adapter. The shop is wondering whether its tight wheel tolerances negate the need for an adapter. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger […]

I’ve been playing around with all these calculations, but they’re a hassle on the shop floor. What can I do? Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.

A shop asks Dr. Jeffrey Badger, our Grinding Doc columnist, if it is really necessary to rotate the dressing diamond. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.

During rotary plunge dressing, a shop worker is dwelling 2 seconds and would like to know if that’s about the right amount of time. Grinding Doc Jeffrey Badger suggests it isn’t a matter of time. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.