Grinding (Surface, Cylindrical, Tool & Cutter)

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.

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.

A shop that switched to powder-metallurgy steel after being told it would be easier to grind has found the opposite to be true. The shop turned to Dr. Jeffrey Badger, our Grinding Doc columnist, for the facts. Visit The Grinding Doc website for more advice from Dr.

Cutting Tool Engineering magazine’s Grinding Doc columnist Dr. Jeffrey Badger offers some recommendations for instructional and informational grinding literature. Visit The Grinding Doc website for more advice from Dr.

A wheel manufacturer recommended that a machine shop switch from brown alumina to white alumina because the latter is more friable. In this episode, the Grinding Doc analyzes the wisdom of this move. Visit The Grinding Doc website for more advice from Dr.

Grinding Doc Jeffrey Badger 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.

For the 21st episode of the Grinding Doc video series on the Cutting Tool Engineering Plus Web site, a shop asked Dr. Jeffrey Badger whether it’s better to up-grind or down-grind? Visit The Grinding Doc website for more advice from Dr.

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? Visit The Grinding Doc website for more advice from Dr.

Grinding Doc Jeffrey Badger addresses whether minimum quantity lubrication is the future of grinding. Visit The Grinding Doc website for more advice from Dr.

Dr. Jeffrey Badger helps a shop weigh advice from two wheel salesmen. One says the sweet spot of a wheel is all about material-removal rates, while the other keeps talking about wheel speed. Who’s right? Visit The Grinding Doc website for more advice from Dr.

A shop has two of the exact same machines, but one has a newer spindle. The shop is thinking about putting a new spindle on the second machine, but wants to know if there is any way to determine if one spindle is stiffer than the other? Dr.

A shop performing continuous-dress, creep-feed grinding on nickel alloys contacted Dr. Jeffrey Badger for advice on battling burn while reducing wheel consumption. Check out Badger's response in the latest episode of The Grinding Doc video series produced by CTEplus, the Web site for Cutting Tool Engineering magazine.