Grinding

Technology for Internal Gear Tooth Profile Grinding

Liebherr offers a new internal gear tooth profile grinding technology, based on its OPAL grinding technology, involving a belt-drive spindle, which can be fitted to the standard GH 4.0 grinding head, as well as to the new GH 5.0 and GH 6.0 grinding heads. Initially, the internal gear grinding arm is available in two different sizes, while others are to follow shortly.

POLIFAN Z SG-POWER Flap Disc

PFERD Inc. has introduced the POLIFAN Z SG-POWER flap disc. The new flap disc features product enhancements that reportedly deliver up to 236 percent longer tool life than conventional flap discs.

Episode 76: Material differences

Jeffrey Badger, Ph.D., addresses the difference between grinding ceramic material versus steel in the 76th episode of the Grinding Doc video series.

Smart Connectivity

Many machines on the factory floor are able to deliver an enormous amount of information that can increase their productivity exponentially. With Smart Connectivity, Agathon offers a comprehensive Industry 4.0 package.

#9682415 Dual-Station Universal Belt Grinder

The dual-station universal belt grinder from Palmgren delivers enhanced grinding and finishing productivity, all in one machine. Equipped with two belt heads, it provides optimal flexibility from roughing to intermediate grinding and blending to final finishing and polishing.

Spindle Speed Increaser

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.

Thrufeed centerless OD grinding: Parameter relationships and troubleshooting

02/15/2017

Author:

William Bednarski

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.

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Ask The Grinding Doc: Decrease diameter, increase speed

02/03/2017

Author:

Jeffrey A. Badger, Ph.D.

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.

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Duracool BR 300 Semisynthetic Cutting and Grinding Fluid

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.

Episode 75: Rough start with electroplated wheel

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.