Information Material:
| Hardness | Speed | Good | Better | Best |
|---|---|---|---|---|
| Low content Vanadium & Molybdenum | 35 | AA60 K5 V8 | RAA60 J5 VF8 | 1CUMISA60 J6 VC500 |
| 50 | AA60 K5 V50 | RAA60 J5 VF8/50 | 1CN60 J6 VC500/50 | |
| High content Vanadium & Molybdenum | 35 | AA601 H10 V736 | RAA601 H10 V736 | 1CUMISA601 H12 VCA2 |
| 50 | AA601 G10 V736/50 | RAA601 G10 V736/50 | 1CN601 G12 VCA2/50 |
| Hardness | Speed | Good | Better | Best |
|---|---|---|---|---|
| For all HRc | 35 | C60 K5 VG | CGC60 K5 VG | GC60 K5 VG |
| 50 | C60 J5 VS2110/50 | CGC60 J5 VS2110/50 | GC60 J5 VS2110/50 |
| Hardness | Speed | Good | Better | Best |
|---|---|---|---|---|
| < 40 HRc | 35 | A463 M5 V10 | DA463 M5 V10 | AA463 M5 V2016 |
| 50 | DA463 M5 V50 | 5SA463 L5 V500/50 | 1CUMISA541 L6 VC500/50 | |
| 63 | 5SA463 L5 V500/60 | AA463 L5 V60 | 1CUMISA541 L6 VC500/60 | |
| 50 HRc to 60 HRc | 35 | A463 K5 V10 | DA463 K5 V10 | AA463 K5 V2016 |
| 50 | DA463 K5 V50 | 5SA463 J5 V500/50 | 1CUMISA541 J6 VC500/50 | |
| 63 | 5SA463 J5 V500/60 | AA463 J5 V60 | 1CN541 J6 VC500/60 |
| Hardness | Speed | Good | Better | Best |
|---|---|---|---|---|
| < 40 HRc | 35 | - | - | GC463 N5 VG |
| 50 | - | - | GC463 N5 VS2110/50 | |
| 63 | - | - | - | |
| 50 HRc to 60 HRc | 35 | - | - | GC463 L5 VG |
| 50 | - | - | GC463 L5 VS2110/50 | |
| 63 | - | - | - |
CUMI cylindrical grinding wheels are designed to handle a wide range of external cylindrical grinding operations where size accuracy, surface finish, and productivity are critical. Manufactured using the optimal selection of abrasive grain types, these wheels deliver high stock removal rates while maintaining excellent form retention throughout the grinding cycle.
CUMI offers customized wheel sketches tailored to specific customer requirements, including wheels for multiple diameters and shoulder grinding with pre-formed wheel faces. A wide range of bond systems—vitrified, resin, and specialized formulations—allows precise matching of the wheel to individual grinding conditions and materials.
As a result, manufacturers achieve the following:
CUMI cylindrical grinding wheels are widely used for grinding valves, plunger pins, eye bolts, transmission shafts, camshafts, and crankshafts, making them a dependable solution for precision and high-volume production environments.
