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High Speed Precision CBN Bore Grind Application
Objective: |
To reduce the cost of a CBN bore grinding operation by improving process efficiency |
Process: |
Grind the 39mm diameter bore in an Bearing Ring using vitrified CBN |
| Component: |
Ball Bearing Inner Ring |
| Material: |
100Cr6 Steel |
| Hardness: |
58 to 62 Rc |
| Stock Removal : |
0.30mm (0.012") |
| Coolant: |
Water Soluble Semi Synthetic |
| Wheel Dressing: |
Rotary Diamond Dresser |
| Dress Compensation: |
10 micron (0.0004") |
| Wheel Size: |
Type 1A1 - 33x22x10mm; 4mm CBN rim
1.300" x .866" x .394"; .160" CBN rim |
| Wheel Speed: |
60 m/s (11,800 sfpm) |
| Wheel Specification: |
CB91-50JVI136 |
| Grind Finish: |
3um Rz (16 u" Ra) |
Results: |
Use of a Darmann engineered structure product resulted in: |
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Nearly double the parts per wheel (increased from 25,000 to 48,000 parts) |
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Reduced wheel and process costs |
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Improved cosmetic apearance of part as a result of cleaner grind |
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Home | Company | Locations | Technical Support | Literature | Contact Us |
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Darmann Abrasive Products, Inc.
100 Sterling Street
Clinton, MA 01510
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| 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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