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November 2011

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Gardner Abrasives Releases "SpringSupreme" Disc Wheels

Gardner Abrasives operation of Cinetic Landis Corp. has released its line of SpringSupreme disc grinding wheels. The new wheels feature an advanced resin-bonded formulation and unique design making them suitable for high-production grinding of a variety of spring types and materials in both wet and dry grinding applications.

The proprietary bond formulation of new SpringSupreme disc wheels incorporates induced porosity with internal lubricants. The wheels have a dramatic appearance due to the large porosity with coarse grit, the company said. Gardner Abrasives engineers report that the new SpringSupreme disc wheels are free-cutting, providing improvements in production rates (springs produced per hour) and reduction of wheel dressing in dry spring grinding applications. Unlike wheels manufactured with magnesite bonding material, Gardner's SpringSupreme disc wheels can also be used with coolant, making them suitable for use in grinding hot wound springs or any application needing large stock removal and low wheel wear, the company said.

In one recent application, a Gardner SpringSupreme disc wheel eliminated dressing between rough and finish passes in grinding 0.437" oil tempered wire for cold-wound wedge springs measuring 2.375" diameter x 11.75" long. Wheel wear was reduced using the SpringSupreme wheel grinding at a rate of 300 springs per hour on a vertical spring grinder with extended spindle. The conventional magnesite grinding wheel previously used in the application required dressing of the wheel between the rough and finish passes.

In another application, a SpringSupreme disc wheel was able to nearly double to 90 springs per shift from the previous 50 springs in a 2-pass rough-and-finish grinding application on 40 mm (1.57") diameter, proprietary hot-wound wire material for producing 130 lb. springs for a defense application, according to Gardner. The 1,000 x 100 x 100 mm disc wheel was run at 21.3 m/sec (4,193 SFPM); a synthetic coolant was used with the horizontal spindle spring grinder.

For more information contact:

Don Schlie

Gardner Abrasives

Operation of Cinetic Landis Corp.

481 Gardner St.

South Beloit, IL 61080


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