Darmann Abrasive Products, Inc. designs, manufactures and markets fine grit bonded abrasive products. These include superfinishing, precision grinding and honing processes using diamond cup wheels and diamond grinding wheels to accomplish precision surface grinding.ISO 9001:2000 Registered

Precision Abrasive Tools

Superfinishing of Ball Bearing Raceway

Details
Objective:
 To improve bearing quality by reducing the surface waviness on the ball track to produce a quieter, smoother functioning bearing assembly.
Process:
 Finish the ball track using a two step process employing Rough and Finish stones in succession.
Component: Ball Bearing Outer Ring
Material: 52100 Steel
Hardness: 58 to 62 Rc
Incoming Finish: 0.4 Ra um  (16 u" Ra)
Coolant: Castrol Honilo 980
Machine Setup: 2 Station - Rough and Finish Configuration
Stone Specifications: Rough: FA800-160GV51S
     Finish: GC1200-95GV2W
Stone Size: 11.7 x 15 x 75MM; 9R (.460" x .590" x 3"; .35"R)
Results:
 Use of Darmann products resulted in better quality, process improvements and cost reductions. These results are summarized below:
  Final finish improved from 0.03 to 0.02um Ra
  Assemblies qualifying for highest quality rating increased by 33%
  Finished goods inventory reduced by 20%
  Product cost reduced by 30%

 
Darmann Abrasive Products, Inc.
100 Sterling Street
Clinton, MA 01510
Phone: 888-888-8888
Fax: 888-888-8889
Email: info@domain.com
Darmann Abrasive Products, Inc. designs, manufactures and markets fine grit bonded abrasive products. These include superfinishing, precision grinding and honing processes using diamond cup wheels and diamond grinding wheels to accomplish precision surface grinding. Sitemap - Resources
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