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Jeffrey A. Badger, Ph.D.

Jeffrey A. Badger, Ph.D., is an independent grinding expert. He will be giving his 3-day High Intensity Grinding Course from Sept. 26-28 in Columbia, S.C., hosted by S.L. Munson. Visit www.thegrindingdoc.com for details. He can be reached by phone at 512-934-1857 or via email at [email protected].

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Articles September 23, 2025 Jeffrey A. Badger, Ph.D.

Final Thing To Do Before Grinding

The Grinding Doc resolves a debate over whether a shop should balance a wheel before grinding or dress a wheel before grinding.

Articles April 19, 2025 Jeffrey A. Badger, Ph.D.

Varying The Workpiece Rpm

A shop asks the Grinding Doc to explain whether the option to vary the workpiece rpm on its cylindrical grinding machine is legit, and how it works.

Articles February 19, 2025 Jeffrey A. Badger, Ph.D.

Exit Nozzle: A Good Idea?

Shop asks the Grinding Doc to address whether mounting a nozzle at the wheel/workpiece exit point can improve coolant effectiveness in grinding operations.

Articles January 20, 2025 Jeffrey A. Badger, Ph.D.

Big, Dull Grits Bad, And Other Tips

The Grinding Doc addresses questions about large grits versus small grits, the pros and cons of overhead dressers, and avoiding natural frequencies.

Articles August 21, 2024 Jeffrey A. Badger, Ph.D.

Blanchard Grinding

Blanchard grinding: balance downfeed rates to maintain wheel sharpness without excessive wear, adjusting for wheel hardness and machine power.

Articles July 9, 2024 Jeffrey A. Badger, Ph.D.

Reduce Edge Chipping

The Grinding Doc offers three ways to reduce edge-chipping

Articles May 6, 2024 Jeffrey A. Badger, Ph.D.

Barber pole

The Grinding Doc breaks down the causes and solutions for these workpiece spiral marks.