Marathon Abrasive Company, Inc.

A Leading Supplier of Abrasives to Specialty Metal Producers

 

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Billet Conditioning Wheels

Marathon's hot-pressed resin bond conditioning wheels are produced in a compact, in-line and continuous process.  A temperature and humidity controlled environment and new equipment provides precision weighing and mixing of ingredients.  All products are speed tested at 1-1/2 times the maximum operating RPM speed of the wheel.

CURRENT WHEEL SIZES
      OD X     Width X        ID
36" (914mm) 6" (152mm) 12" (305mm)
25" (635mm) 3" (76mm) 12" (305mm)
24" (610mm) 3" (76mm) 12" (305mm)
20" (508mm) 2.5" (64mm) 8" (203mm)
Sizes are adjusted to accommodate customer's equipment.
Centerless Grinding Wheels

Compared to resin or vitrified products, Marathon's unique grinding wheel formulations will achieve higher removal rates on difficult-to-grind stainless, titanium, nickel and cobalt based alloys while providing excellent wheel life, bar diameter control, and surface finishes.  Many customers also experience less noise and reduce heat, smoke, and electric consumption.  There performance attributes contribute to product quality, the operators' work environment and the reduction of coolant chiller system requirements.

TYPICAL RESULTS ATTAINABLE WITH MARATHON CORKED-FILLED
RUBBER BOND CENTERLESS GRINDING WHEELS
     SURFACE FINISH     MAXIMUM REMOVAL
- - - - - ACHEVABLE - - - - -   - - FROM DIAMETER - -
GRAIN SIZE RA MICROMETERS    INCHES        MM
     120 16           0.4      0.002        0.05
     180 12           0.3      0.001        0.025
     240 10           0.25      0.0005        0.012
     320 7           0.2      0.0002        0.005
     500 4           0.1      0.00005        0.0012
STANDARD CENTERLESS WHEEL SIZES
Nominal OD X Nominal Width X Nominal ID
24" (610mm) 6" (152mm) 12" (305mm)
24" (610mm) 8" (203mm) 12" (305mm)
20" (508mm) 6" (152mm) 12" (305mm)
15.748" (400mm) 7.874" (200mm) 8" (203mm)
19.685" (500mm) 11.812" (300mm) 9.843" (250mm)
Sizes are adjusted to accommodate customer's equipment.