Episode 23: All bark, no bite
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…
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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…
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…
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…
Grinding Doc Jeffrey Badger addresses whether minimum quantity lubrication is the future of grinding. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.
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…
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…
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…
In this episode of the Grinding Doc Video Series, Dr. Jeffrey Badger helps a shop resolve the chatter encountered when performing multi-pass cylindrical OD grinding. Though the shop keeps dropping the plunge…
A grinding shop trying to grind a 0.006" radius into a hardened steel part with a 60-grit, vitrified-bond, aluminum-oxide wheel was having trouble with burn and huge chatter. Grinding Doc Jeffrey Badger…
Grinding Doc Jeffrey Badger looks at improving coolant velocity for shops running into loading problems with superabrasive wheels. Such wheels, he says, are more problematic than aluminum oxide wheels that wear away…
Grinding Doc Jeffrey Badger says don't be timid when you stick your wheel. By doing so, he says, you can do more parts between wheel sticks—just be careful of the surface finish…
Grinding Doc Jeffrey Badger urges shops to dress quickly and take deep cuts to reduce cycle times. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.
Grinding Doc Jeffrey Badger offers an overview of cylindrical OD plunge grinding in the seventh installment of our Grinding Doc video series. One of the great things about cylindrical grinding is that…
What's a good speed when cylindrical OD traverse grinding? Grinding Doc Jeffrey Badger worries less about the speed, more about the percentage of the wheel being used to do the roughing. Visit…
Thinking about using cluster diamonds? Grinding Doc Jeffrey Badger suggests going at least 4x faster than with a single-point diamond. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger…
In the third episode of the Grinding Doc video series, Jeffrey Badger, Ph.D., takes a look at a common problem shops have with getting the surface finish that they want. Visit The…
In the second episode of our Grinding Doc video series, Dr. Jeffrey Badger fields a question from a shop that hasn't had any luck with ceramic abrasive. Visit The Grinding Doc website…
The debut episode of Cutting Tool Engineering magazine's Grinding Doc video series fields a question from a shop wondering about the relationship between coolant velocity versus the flowrate. Dr. Jeffrey Badger, who…
Dr. Jeffrey Badger helps a shop struggling to maintain a 16 µin Ra surface finish using a 60-mesh grit size. On the advice of the wheel supplier, the shop tried 100- and…
Dr. Jeffrey Badger, a grinding consultant and author of The Grinding Doc column in Cutting Tool Engineering magazine, helps a grinding shop distinguish between true thermal damage and surface burn. Visit The…
A shop with burn issues wants to know if a high-porosity wheel would reduce temperatures as suggested by the company's wheel supplier. Dr. Jeffrey Badger, the columnist for Cutting Tool Engineering's Ask…
In episode 18 of the Grinding Doc video series, a shop experiencing more wheel wear and burn after switching from one high-speed steel grade to another with lower grindability—requiring slower feedrates—seeks a…
Grinding Doc Jeffrey Badger offers insight into rotary diamond dressing for a shop whose parts turn to toast. Visit The Grinding Doc website for more advice from Dr. Jeffrey Badger at http://www.thegrindingdoc.com.
Cutting Tool Engineering visited with G.W. Schultz Tool during IMTS 2016. Tomas Roman, inside sales manager for G.W. Schultz Tool, provides the play-by-play for a demonstration of the company's Alumigator roughing and…