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The GROB internal cold forming process is based on a straightforward and universally applicable principle: the total forming effort needed is broken down into numerous of axial and radial forming increments.
- Splines up to flange
- Economical tooling costs
- Superior spline and gear quality
- Surface work-hardening
- Forming of high strenght sheet metals
- Surface finish Ra 0. 4 ~ N5
- No disruption of material grain flow