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CUMI Bonded Abrasives CatalogueProduct description
CUMI's Camshaft wheels offer good form holding, free cutting ability together while maintaining the stringent geometrical and surface finish requirement to maintain consistent and tight surface finish tolerances. CUMI's versatile camshaft wheels can grind materials like forged steel and chilled cast iron with highest amount of stock removal without thermal damage on the cam flank. CUMI also offers single wheel for both roughing and finishing operations
Features:
- Sharp & friable Aluminium Oxide grains
- Vitrified Krystal bond system ( V500 )
- Uniform density and hardness across wheel diameter
- Perfectly balanced
Advantages of CUMI Wheels:
- High productivity
- Excellent form retention
- Dimensional accuracy
- Surface finish
- Form accuracy
| Abrasive Used | CUMI Code | Grit | Diameter ( mm ) | Diameter ( inch ) | Thickness ( mm ) | Thickness ( Inch ) | Speed | Hardness | Structure |
|---|---|---|---|---|---|---|---|---|---|
| Ceramic Aluminium Oxide | CUMISA/ CN | 54 - 80 | 500 - 610 | 20 - 24 | 25 - 40 | 1 - 1 1/2 | 60 | J - M | 5 - 8 |
| Semi-Friable Grain | SA | ||||||||
| White Aluminium Oxide | AA |
| Type | Operation | Speed | Best | Better | Good |
|---|---|---|---|---|---|
| Case Hardened Steel | Rough | upto 60 | 1CUMISA541 K6 VC500/60 | 5SA54 K5 V500/60 | AA54 K5 V60 |
| Finish | 1CUMISA801 J6 VC500/60 | 5SA80 J5 V500/60 | AA80 I5 V60 | ||
| Rough & Finish | 3CUMISA80 R20 BH99/60 | 1CUMISA80 R20 BH99/60 | 1CUMISA542 L6VC500/60 | ||
| Nodular Iron | Rough | upto 60 | 3CUMISA461 L6 V500/60 | 5SA463 L5 V500/60 | AA463 L5 V2020/60 |
| Finish | 3CUMISA801 J6 VC500/60 | 5SA80 J5 V500/60 | AA80 I5 V60 | ||
| Chilled Cast Iron | For Base Circle Diameter <= 25mm | upto 60 | 3CUMISA80 R20 BH99/60 | 5SA80 L5 V500/60 | AA80 L5 V2020/60 |
| For Base Circle Diameter > 25mm | 3CUMISA80 R23 BH99/60 | 5SA801 J5 V500/60 | AA801 J5 V2020/60 |
| Type | Operation | Speed | Best | Better | Good |
|---|---|---|---|---|---|
| Case hardened steel | All Operations | upto 50 | 1CUMISA801 J6 VC500/50 | 5SA60 K5 V500/50 | AA601 K5 V50 |
| Nodular Iron | Rough | upto 50 | 1CUMISA80 K6 VC500/50 | 5SA801 K5 V500/50 | AA80 L5 V50 |
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