Grinding (Surface, Cylindrical, Tool & Cutter)

Sam Yu, president and owner of Corona, Calif.-based Machine Control Technologies Inc., said he builds specialty tool and cutter grinders in months—and at a fraction the price of competitors' custom grinders.

A shop contacted the Grinding Doc to find out why it was getting a "horrible" surface finish when it first puts on an electroplated wheel. Dr. Jeffrey Badger, who writes the Ask The Grinding Doc column for Cutting Tool Engineering magazine, explains the issue in the 75th episode of the Grinding Doc video series.

Erwin Junker Machinery Inc. is extending an open invitation to visit its showroom in Elgin, Ill. The company is showcasing grinding machines from JUNKER and Zema, as well as industry leading air filtration units from LTA Industrial Air Cleaning Systems Inc.

Supertec introduces three sizes of jig grinders covering a full range of capability. Models offered include the pictured JG-510M (20" x 12" x 4" x 13" X,Y,Z,W), the JG-1270CM (47" x 27" x 4" x 16") and the JG-1010G (39" x 39" x 10" x 16"), a double-column style.

Innovative Products of America (IPA) announces the #8150 4.5" diamond grinding wheel. The disc's innovative, 3D contour with topside abrasive coating and thin-profile edge allows for cutting, back cutting, gully cutting and bead finishing with one wheel.

Emuge Corp. has introduced tool grinding and reconditioning services based out of the company's North American headquarters in West Boylston, Mass. A clean, new state-of-the-art manufacturing facility at Emuge is now equipped with the latest technology CNC grinding machines and inspection equipment, providing tool reconditioning for U.S. and Canadian customers for Emuge taps, drills and endmills, in addition to other brands of carbide drills and endmills.

The cordless belt grinder ABC 7 from Suhner is for when you are working on applications with tight spaces. For example, in fillet welds or miters. The machine is characterized by extremely fast belt changes for grinding or polishing applications.

A shop asks Dr. Jeffrey Badger, Cutting Tool Engineering magazine's "Ask the Grinding Doc" columnist, whether it's better to take several small, fast passes versus one large, slow pass when pinch-peel grinding tungsten-carbide shafts.

Grinding hardened steel using a water-based coolant is fine for a few hours, then—wham!—really bad burn. The Grinding Doc offers some insight. Visit The Grinding Doc website for more advice from Dr.

The Grinding Doc offers insight to a shop worried that it’s wasting abrasive on half-worn electroplated CBN wheels. Visit The Grinding Doc website for more advice from Dr.

A machine shop turned to the Grinding Doc seeking relief from the painfully long cycle times endured grinding cermets. Dr. Jeffrey Badger, the author of Cutting Tool Engineering magazine's Ask the Grinding Doc column, explains what the shop should do to stop the pain. Visit The Grinding Doc website for more advice from Dr.

Dr. Jeffrey Badger, the Ask the Grinding Doc columnist for Cutting Tool Engineering magazine, examines the new Cubitron II grit. The research cited in this episode is described in detail in the April 2014 edition of the Welding Journal, and can be found here: Visit The Grinding Doc website for more advice from Dr.