Component
|
 |
Component: |
Motorcycle Crank Shaft |
|
Dimensions: |
Ø 26.4 mm |
|
Material: |
Perlitic Cast Iron |
|
Hardness: |
225 - 305 HRB |
|
Stock Removal: |
0.40mm in Ø |
|
Surface Finish Required: |
Ra 0.25 max. |
Grinding Machine
|
|
Machine: |
Toyoda GV 70 B |
|
Grinding Op: |
External diameter finishing operation |
|
Grinding Wheel Speed: |
Vc = 120m/s |
|
Coolant: |
Emulsion 2% |
|
Dressing Tool: |
Dressing Disc Ø 150 x 1.6 / 2 x R0.3 |
Grinding Tool
|
|
Grinding Tool: |
SWISS MASTER VIT CBN
A-75346
3A1 650x41.95x41.95 X=5 U=23.35 R=2.6
CB41-100-Q-9-250-X175-V55-31-3 |
Results
|
|
Results: |
- Very short grinding time
- Very long dressing interval
- Roughness & Geometry achieved |
|
Cycle Time: |
Grinding Time 20" (Total Time 1'05") |
|
Surface Finish Achieved: |
Ra <0.20 |
|
Geometry Tolerances Achieved: |
within requirements |
|
Dressing Intervall: |
every 1'500 shafts |
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/ Motorcycle Crank Shaft
