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CUMI Bonded Abrasives CatalogueProduct description
With all the latest advancements in the field of automobiles and machine manufacturers, the function of bearing are now more crucial than ever before, thereby placing greater demands on quality of bearings.
Track grinding wheels must maintain form to ensure profile accuracy of the track of inner ring. This ensures that the wheels are dressed less often, leading to significant improvement in productivity and consistency of the process.
CUMI's Track grinding wheels are made with a special fusible glassy bond with sharp abrasive grain combination that ensures form holding while offering high material removal rates in high contact area application. An advanced manufacturing process ensures that the wheel's hardness is consistent through the wheel life and highest levels of safety are maintained.
Features:
- Sharp crystal aluminium oxide grains
- Krystal bond for form holding & safety
- Customized profiling as per requirement
Advantages of CUMI Wheels:
- Profile holding & form retention
- Less dressing intervention
- Burn free component
- Surface finish ( 0.3-0.4 Ra )
- Roundness ( <5Q )
| Abrasive Used | CUMI Code | Grit | Diameter ( mm ) | Diameter ( inch ) | Thickness ( mm ) | Thickness (inch) | Speed | Hardness | Structure |
|---|---|---|---|---|---|---|---|---|---|
| Micro Crystalline Grain | CN | 80 - 150 | 350 - 610 | 14 - 24 | 10 - 40 | 3/8 - 1 1/2 | 33, 50, 63, 80, 100 | I - L | 5 - 7 |
| Pink Aluminium Oxide | 50RA | ||||||||
| Ceramic Aluminium Oxide | CUMISA/CSA | ||||||||
| White Aluminium Oxide | AA |
| Bearing Type | Bearing Size | Speed | Best | Better | Good |
|---|---|---|---|---|---|
| Taper Roller Bearing (TRB) | up to 50mm | 35 | 55A120 K7 VC500 | 12A120 K5 VCOOL | DA120 L7 V1092 |
| 50 | 55A120 K7 VC500/50 | - | DA120 K7 V1092/45 | ||
| 63 | - | - | AA120 K5 V60 | ||
| 80 | 3CUMISA120 J7 V389/80 | - | 5SA120 K6 V792/80 | ||
| 100 | 3CUMISA120 J6 V792/100 | - | 5SA120 K6 V792/100 | ||
| Above 50mm | 35 | AA100 L5 VF8 | - | A100 L7 V1092 | |
| 50 | 55A100 K7 VC500/50 | - | DA100 K7 V1092/50 | ||
| 63 | 3CUMISA100 K7 V389/60 | - | AA100 K5 V60 | ||
| 80 | 3CUMISA100 J7 V389/80 | - | 5SA100 J6 V792/100 | ||
| 100 | 3CUMISA100 J6 V792/100 | - | 5SA100 J6 V792/100 | ||
| Ball Bearing | ALL | 35 | 55A120 L7 VC500 | - | DA120 L7 V1092 |
| 50 | 55A120 K7 VC500/50 | - | DA120 K7 V1092/50 | ||
| 63 | 2CN1001 J6 V308C/60 ; 3CSA1001 J6 V308C/60 | - | AA100 K5 V60 | ||
| 80 | 2CN1001 I6 V308C/80 | - | 55A1001 J7 VC500/80 | ||
| 100 | 3CUMISA120 J6 V792/100 | - | 5SA120 K6 V792/100 |
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