Grinding (Surface, Cylindrical, Tool & Cutter)

Toolmakers can now easily grind small PCD insert pockets in one simple process. The new Spindle Speed Increaser from ANCA enables customers to easily grind PCD tool blanks, allowing for greater speed and efficiency.

On many work parts, the outside diameter (OD) needs to be highly accurate. Tight tolerances are required for OD size, roundness, high and low frequency lobe patterns and taper. Thrufeed centerless OD grinding can achieve precise part quality at an economical processing cost.

Dear Doc: I installed a variable-speed drive on a cylindrical grinder. The wheels start at 18" and stub-out at 15". Should I increase the rpm as the wheel diameter gets smaller? Read the full report for the Doc's reply.

Duracool BR 300 from Enterprise Oil Co. represents an advanced technology in biostable cutting and grinding coolants. Duracool BR 300 is a semisynthetic cutting and grinding fluid with a high oil content for machining all metals from high-alloy stainless steels to aluminum and copper-based alloys.

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.