Tool room grinding wheels wheels find vast applications in the manufacture and regrinding of cutting tools like drills, reamers, milling cutters etc.,
CUMI's tool room wheels are available in like plain wheels (type 1), cup wheels (type 6 & 11), dish wheels (type 12), saucer wheels (type 13). They are available in both dry and wet grinding applications
| Abrasive Used | CUMI Code | Grit | Diameter (mm) | Diameter (Inch) | Thickness (mm) | Thickness (Inch) | Speed | Hardness | Structure |
|---|---|---|---|---|---|---|---|---|---|
| Ceramic Aluminium Oxide | CUMISA | 46 - 120 | 80 - 250 | 3 1/8 - 9 | 3 - 25 | 1/8 - 1 | 35 & 50 | I - L | 5 - 7 |
| Pink Aluminium Oxide | RA/RAA | ||||||||
| Premium Aluminum Oxide | 12A | ||||||||
| White Aluminium Oxide | AA | ||||||||
| Green Silicon Carbide | GC | ||||||||
| Silicon Carbide blend | CGC |
| Material | Operation | Speed | Best | Better | Good |
|---|---|---|---|---|---|
| High Speed Steel / Tool Steel / High Alloy Steel | Rough | 35 | 1CUMISA46 J6 VC500 | RA46/54 J6 V206 | AA46/54 K5 V8 |
| 50 | 1CUMISA46 J6 VC500 /50 | RA46/54 J6 V206/50 | AA46/54 K5 V50 | ||
| Finish | 35 | 1CUMISA60 J6 VC500 | RA60 J6 V206 | AA60 K5 V8 | |
| 50 | 1CUMISA60 J6 VC500 /50 | RA60 J6 V206/50 | AA60 K5 V50 | ||
| Tungsten Carbide | 35 | GC60 K5 VS2110 | GC60 K5 VG | CGC60 K5 VG | |
| 50 | GC60 K5 VS2110/50 | GC60 K5 VG/50 | CGC60 K5 VG/50 | ||
| Special Tool Steels | Rough | 35 | 1CUMISA461 J7 VC500 | 55A461 J7 VC500 | RAA46/54 J6 V206 |
| 50 | 1CUMISA461 J7 VC500/50 | 55A461 J7 VC500/50 | RAA46/54 J6 V206/50 | ||
| Finish | 35 | 1CUMISA60 J7 VC500 | 55A60 J7 VC500 | RAA60 J6 V206 | |
| 50 | 1CUMISA60 J7 VC500/50 | 55A60 J7 VC500/50 | RAA60 J6 V206/50 |
CUMI Bonded Abrasives Catalogue
