|
SuperDry Hobbing
Performance
|
|
Pinion for AT car | |
|
TiN Coating Hob
|
SuperDry Hob
|
Effect
|
|||
| Cutting Cond | Cutting speed |
m/min
|
100
|
200
|
2 times
|
| Axial feed |
mm/rev
|
2.4
|
2.4
|
||
| Cutting method |
climb
|
climb
|
|||
| Cycle time |
sec
|
14
|
8
|
reduction 40%
|
|
| Tool life | Compts/resharpening |
nos
|
3,900
|
15,400
|
4 times
|
| no.of resharpening |
times
|
25
|
28
|
||
| Total life |
nos
|
101,400
|
431,200
|
4.3 times
|
|
* Case Studies in japan by MHI
|
Differential Ring Gear | |
|
TiN Coating Hob
|
SuperDry Hob
|
Effect
|
|||
| Cutting Cond | Cutting speed |
m/min
|
110
|
200
|
1.8 times
|
| Axial feed |
mm/rev
|
2.5
|
2.2
|
||
| Cutting method |
climb
|
climb
|
|||
| Cycle time |
sec
|
108
|
54
|
reduction 50%
|
|
| Tool life | Compts/resharpening |
nos
|
400
|
1,000
|
2.5 times
|
| no.of resharpening |
times
|
30
|
31
|
||
| Total life |
nos
|
12,400
|
32,000
|
2.6 times
|
|
* Case Studies in japan by MHI