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Sample Applications Crankshafts |
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Material |
Steel |
| Tool |
Band |
| Process |
two-step |
| Results |
Rpk < 0,1 µm
Rk < 0,35 µm
Rvk > 0,1 µm
R < 0,9 µm
Sheet cover 85% removed |
| Cycle time |
35 sec / piece |
| Special features |
Finishing of main bearings and connecting rod bearings and offlange (oil seal seat, torque-free). Removal of sheet mantleand rounding of casting flashes by adjustedtwo-step process. Finishing with rigid machine block. |
| Machine type |
720/4 CenPro | |
(pdf) ->
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R4 Crank Shaft
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Material |
Cast Product |
| Tool |
Band |
| Process |
one-step |
| Results |
Rpk < 0,2 µm
Rk < 0,7 µm |
| Cycle time |
54 sec / piece |
| Special features |
Finishing of main bearings and connecting rod bearings and offlange (oil seal seat, torque-free). Finishing with rigid machine block. |
| Machine type |
720/3 CenPro | |
(pdf) ->
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R4 Crank Shaft
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Material |
Steel |
| Tool |
Band |
| Process |
two-step |
| Results |
Rz < 0,8 µm |
| Cycle time |
73 sec / piece |
| Special features |
Finishing of main bearings and connecting rod bearings and of flange (oil seal seat, torque-free).Two-step finishing in 1-station machine with two NC-controlled, movable machine blocks. |
| Machine type |
720/1 vertical | |
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V8 Crank Shaft
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Material |
Steel |
| Tool |
Band |
| Process |
two-step |
| Results |
Rpk < 0,13 µm
Rk < 0,3 µm
Rvk > 0,8 µm |
| Cycle time |
40 sec / piece |
| Special features |
Finishing of main bearings and connecting rod bearings, pins, and flange (oil seal seat, torque-free), and of flanged bearing.
Finishing with one rigid machine block per station. |
| Machine type |
720/3 CenPro | |
(pdf) ->
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R6 Crank Shaft for Trucks
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Material |
Steel |
| Tool |
Band |
| Process |
one-step |
| Results |
Rpk < 0,2 µm
Rk < 0,6 µm
Rvk < 1,2 µm
Ra (Radiuses) < 0.4µm |
| Cycle time |
220 sec / piece |
| Special features |
Finishing of main bearings and connecting rod bearings, flange (oil seal seat, torque-free), and of flanged bearing.Radius finishing of main and connecting rod bearings.Step-by-step finishing, workpiece transport NC-controlled |
| Machine type |
720/1 Trucks | |
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