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ROLL GRINDING WHEELS
CUMI‘s Roll grinding wheels are extensively used in steel rolling mills for grinding the rolls in their roll shop. CUMI has the complete product range to grind carious types of rolls for hot as well as cold rolling mills. CUMI has both conventional and micro crystalline abrasives, It offers exceptional cutting action with less wheel wear.
Commonly used Machines :
- POMINI
- WALDRICH SIEGEN
- HERKULES
- TOSHIBA
- WMW
- FARREL
PRODUCT RANGE
| Selection Parameters | Work Roll | Back Up Roll | ||
| HRM* | CRM* | HRM* | CRM* | |
| Wheel Diameter | Upto 1100 mm | Upto 1100 mm | Upto 1100 mm | Upto 1100 mm |
| Wheel Thickness | Upto 150 mm | Upto 150 mm | Upto 150 mm | Upto 150 mm |
| Roll Material | High Chrome Iron, ICDP, HSS | Forged Steel | High Chrome Iron, ICDP, HSS, Forged Steel | Cast Steel |
| Type of Grains | Green Silicon Carbide (GC), Microcrystalline (SG) | Alu. Oxide (A, SA, AA) Microcrystalline (SG) | Alu. Oxide (A, SA, AA) Microcrystalline (SG) | Alu. Oxide (A, SA, AA) Microcrystalline (SG) |
| Popular Grits | 30, 36, 46, 60 | 36 – 100 | 30, 36 | 24 – 36 |
| Type of Bond | B344S, B344W | B384, B14, B916 | B14, B384, B916 | B384, B14Y, B916 |
| Hardness | H – M | H – M | H – L | H – L |
| Structure | 5 – 9 | 5 – 9 | 5 – 9 | 5 – 9 |
| Wheel Speed | 33 – 60 MPS | 33 – 60 MPS | 33 – 60 MPS | 33 – 60 MPS |
PRODUCT RECOMMENDATIONS
| Type | Grinding Wheel | |
| Conventional | Premium | |
| HOT STRIP MILL | ||
| Work Roll | GC361 TDRI12MRA, TDRI139 | 3SG36 B344S |
| Back Up Roll | 3SA 36 I5 B14, 11 36 J5 B384 | 3SG36 J6 B14Y |
| COLD ROLLING MILL | ||
| Work Roll | 3SA60 J5 B14, AA60 J5 B384 | 3SG60 J6 B14X |
| Back Up Roll | 3SA36 I5 B14, AA36 J5 B384 | 3SG36 J6 B14Y |