Grinding (Surface, Cylindrical, Tool & Cutter)

A shop that grinds tungsten-carbide endmills using a resin-bonded diamond wheel turned to Dr. Jeffrey Badger, the author behind our Ask the Grinding Doc column and video series, because one of the shop's wheel suppliers keeps talking about Q prime values. According to the supplier, the shop should be using a Q prime value of 6 or 7.

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 more advice from Dr.

Dr. Jeffrey Badger, Cutting Tool Engineering magazine’s “Ask the Grinding Doc” columnist, shares a number of photos taken at extreme magnification to reveal wheel wear and much more in the the 35th episode of our Grinding Doc Video Series. Visit The Grinding Doc website for more advice from Dr.

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 machines with auto-stickers, shop staffers are even more confused. Badger offers some suggestions in the 34th episode of The Grinding Doc Video Series.

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.

END USER: lllinois Carbide Tool Co. Inc., (800) 323-2414, www.crobaltusa.com, www.brakedrumtool.com. SOLUTION PROVIDER: Agathon Machine Tools Inc., (203) 730-8741, www.agathon.com. CHALLENGE: Keep up with increasing production demands for carbide brake lathe inserts. SOLUTION: A 4-axis grinding machine that enables lights-out production.

The Grinding Doc fields the following questions: 1. The grinding wheel manufacturer I work for wants to set up a basic lab for testing wheels and different Al2O3 grits. What's the best, most-economical way to do this? 2. I'm getting chatter on parts and am trying to determine if it's from grinding forces that are too high or from an out-of-balance wheel.

UNITED GRINDING recently launched Fine Pulse Technology that significantly boosts surface and cutting edge quality and, therefore, overall resulting tool performance reliability in the production of polycrystalline diamond (PCD) metalworking tools. All UNITED GRINDING's WALTER erosion machines, such as those in the HELITRONIC line, will offer the new technology.

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.

Glebar has developed a double-disc grinding process on its DD-7 double-disc grinder for materials suppliers and manufacturers of high-performance composites that expedites the grinding of composite strips used as low friction, bearing elements in various industries from aerospace to automotive, leading to reduced production costs and enhanced quality.

Delivering power, precision and versatility, the Powergrind-XP variable-speed buffers from Palmgren can handle a wide range of finishing applications. They are equipped with the latest technology variable-speed inverter, enabling them to deliver intermediate blending, polishing and surface conditioning applications at maximum rpms.

ANCA Inc. will expand its plant in Wixom, Mich., by 50 percent, expanding its inventory and spare parts warehouse capacity, adding a dedicated customer focus and training center, and doubling its machine demonstration area. The announcement was made by Russell Riddiford, ANCA president. ANCA, a private company, did not disclose the dollar value of the investment.