Cylindrical Grinding Maximizer
| Part: |
Axle Shafts. Various sizes: Largest grind section 4.6"Ø Smallest grind section Ø1.8" with 3 grinds per shaft. Largest width at 1.5" with a face grind. |
| Part Tolerances: |
Bearing diameter roundness ±0.0003" |
| Material: |
Hardened Steel |
| Hardness: |
58 - 62 Rc |
| Stock Removal: |
0.044" on diameter with 0.014" on face |
| Wheel Specification: |
17" x 3.215" x 5" angle head Type 1EE1SP Vitrified CBN Maximizer |
Conventional Al2O3Wheel
| Wheel Speed: |
8,500 S.F.P.M. |
| Work Speed: |
35 |
| Pieces per dress: |
1 |
| InFeed per dress: |
0.001+ 2 to 3 passes |
| InFeed rate: |
0.020" per minute (Rough) |
| Coolant: |
Semi-Synthetic |
| Total Cycle Time: |
7+ minutes |
|
Vitrified CBN
| Wheel Speed: |
8,500 S.F.P.M. |
| Work Speed: |
70 |
| Pieces per dress: |
80 |
| InFeed per dress: |
0.00005 with 4 passes |
| InFeed rate: |
0.085" per minute (Rough) |
| Coolant: |
Semi-Synthetic |
| Total Cycle Time: |
1 minute 55 seconds |
|
Savings / Advantages: Nearly 4 times productivity and eliminated scrap. Customer has now purchased a higher horsepower grinder needing only a 1.5" section of CBN (Maximizer) thus reducing wheel cost by 3 times. Early values indicate a Cpk of > 12 and a sigma level of >36.
