Increase feed rate or depth of cut?
The Grinding Doc says it depends on what your biggest issue is: thermal damage, chatter or excessive wheel wear
Author
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].
Ask The Grinding Doc Columnist
Phone: 512-934-1857
Swivel or suffer the consequences
The Grinding Doc: Grinding flat on flat almost always produces pain and suffering.
Reduce regenerative chatter
How varying the wheel and/or workpiece rpm reduces chatter risk.
Coolant questions
Want to eliminate grinding burn? Installing a refrigeration system won't do it.
Finding the source of chatter
The Grinding Doc offers a simple test to determine the cause of chatter.
How to avoid embedded particles
The Grinding Doc offers a six-step solution to an uncommon problem.
When to shift from rapid feed to roughing
Stop wasting time grinding nothing but air with some measurements and calculation.
What to do with workpiece rpm when burn occurs
The Grinding Doc finds a need for speed in cylindrical plunge grinding.
Gradual versus incremental cross-feed
The Grinding Doc shares why he is not a fan of gradual cross-feed.
Cooling OD burn
The Grinding Doc: Using a wheel with too large of a grit size and dressing dull likely the cause of OD burn—not bad cooling.
Hot diamonds and barber pole
The Grinding Doc addresses the cause of barber pole lines in workpieces.
Rotary Dressing: Stop Whining
The Grinding Doc takes on anti-directional dressing.