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Hard processing of the gear wheel. All form- and position tolerances, surface finishes and fits must be observed more >>
Hard processing of the gear wheel. All form- and position tolerances, surface finishes and fits must be observed
Advantages:
Hard turning as an alternative to grinding.
Results:
- Surface finish quality < Ra 0,4 µ
- Roundness < 3µm
- Shape and positional tolerances (axial runout and concentricity) <2µm
- Concentricity outer diameter zu Teilkreis < 10 µ (depending on component)
Processing time: 4 minutes 20 seconds in total
Material, hardness: 16 Mn Cr 5 , 58 ± 2, Eht = 0,7
Process description:
In the first setup, the gear was clamped in the pitch circle diameter of the gearing in order to guarantee the concentricity to this reference. In the second setup, a clamping mandrel was used. All faces were machined by roughing and finishing.