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CUMI Bonded Abrasives CatalogueProduct description
Being a high depth of cut, form generating grinding process, Flute grinding operations are at high speeds and remove material at rates comparable to machining process rather than grinding. A combination of peripheral and surface grinding actions, the depth of cut, width of cut, form retention and surface finish are crucial parameters.
CUMI Flute grinding wheels are specially engineered high density (near zero porosity), resin bonded wheels which ensure that the form is generated with utmost precision and finesse. These wheels truly are a testament to the expertise that CUMI has built over the years.
Features:
- Special phenolic resin
- Specially treated aluminium oxide grains for higher depth of cut
- Micro crystalline grain for lesser dressing frequency
- Unique manufacturing process for high density packing
Advantages of CUMI Wheels:
- High depth of cut
- High wheel life
- Better form holding/ reduced dressing
- Smoke free grinding
- Burn free components
| CUMI Code | Grit | Diameter (mm) | Diameter (Inch) | Thickness (mm) | Thickness (Inch) | Face | Coolant slot | Speed |
|---|---|---|---|---|---|---|---|---|
| CUMISA | 80 - 150 | 150 - 500 | 6 - 20 | 4 - 20 | 0.16 - 0.8 | F | Slotted | 15750 |
| SA | ||||||||
| RA | ||||||||
| AA |
| Operation | Component | Size | Best | Better | Good |
|---|---|---|---|---|---|
| Component | Drill | 16"/18” x T x 5"/8” | 3CUMISA100 R19 BH99/80 | 3CUMISA100 R19 BHX/80 | 3SA100 R19 BHK/80 |
| Flute grinding | Taps | 6"/8”/16” x T x 3"/5” | 3CUMISA100 R19 BH99/80 | 3CUMISA80 R20 BHX/80 | RA80 R19 BHK/80 |
| Point grinding | Drills | 10" x T x 1.25" | - | - | AA100 S12 BHP/60 AA100 S12 BH47/80 |
| Clearance grinding | Drills | 10" x T x 1.25" | 72HA100 R344/80 | 3CUMISA100 R344/80 | AA80 Q21 BH99/80 |
| 8" x T x 1.25" | - | - | AA100 R344/60 | ||
| 12" x T x 5" | - | - | - |
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