Episode 46: Rough start
A shop using electroplated grinding wheels has observed a horrible surface finish on the first several parts produced by a new wheel. Though the surface finish gradually improves, the shop turned to…
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Episode 45: Is it really worth it to use a CBN wheel?
A shop is grinding hardened steel, and periodically switches between a CBN wheel and an aluminum-oxide wheel. Given that the shop is getting pretty much the same material removal rate, surface finish…
Episode 43: Getting the wheel to open up
The Grinding Doc helps a shop having trouble getting its CBN wheel to open up before it burns the first few hardened steel parts, which then must be scrapped. Visit The Grinding…
Episode 42: Appearances can be deceiving
Dr. Jeffrey Badger helps a shop that's burning through traverse diamond dressing discs in the 42nd episode of Cutting Tool Engineering's Grinding Doc video series. Visit The Grinding Doc website for more…
Episode 41: Pricey diamond
Are diamonds a machine shop's best friend? Dr. Jeffrey Badger takes a close look at the question in the 41st episode of the Grinding Doc video series. Visit The Grinding Doc website…
Episode 40: Don’t get cracking
In the 40th episode of Cutting Tool Engineering's Web-based Grinding Doc Video Series, Dr. Jeffrey Badger helps a shop that's getting cracking at the corner radius of a tungsten-carbide part. Visit The…
Episode 39: Grinding the wave
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…
Episode 38: Rust never grinds
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…
Episode 36: Nitty gritty on chatter
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…
Episode 34: A sticking point
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…
Episode 33: Material removal rate
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…
Mast Motorsports Makes Hurco Pitstop
This CTE+ report offers a first-hand account of how two 5-axis CNC milling machines from Hurco North America's helped Mast Motorsports replace some technologically obsolete production equipment.
Episode 74: Norton SG grits Q&A
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. About the Grinding Doc Video Series: Thanks to…
CTE+ Product Demo: CrazyDrill from Mikron Corp. Monroe
Using its Crazy Drill Cool SST-Inox, Mikron Corp. Monroe demonstrates fast drilling in stainless steel, heat-resistant superalloys and more.
Turning Back Time
Welcome to Shop Ingenuity, a new video series from CTEplus. This video is the first in a planned series of reports featuring shop innovations.
Colin Lake and his band
Colin Lake and his band perform at the Crescent City Blues and BBQ Festival in New Orleans ... just a musical interlude while attending the U.S. Cutting Tool Institute's Fall Meeting in…
Episode 31: Adept adapter question
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…
Episode 30: The Grinder’s Toolbox
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…
Episode 29: Rotating the dressing diamond
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…
Episode 28: No time to dwell
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…
Episode 26: PM grinding truth
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…
Episode 27: Grinding literature
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. Jeffrey Badger at…
Episode 25: Grinding friability
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…
Episode 24: No-dress test
In the latest installment of the Grinding Doc series, Dr. Jeffrey Badger responds to a shop that performs high-production grinding of small parts and experiences trouble when determining how much to dress…