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PROCESSES

Internal forming thick-walled

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.

beNEFITS

- Splines up to flange
- Economical tooling costs
- Superior spline and gear quality
- Surface work hardening
- Surface finish Ra 0. 4 ~ N5
- No disruption of material grain flow

ERNST GROB AG
Rohrgasse 9
P.O. Box 830
CH-8708 Männedorf
Switzerland

T +41 44 922 77 00
F +41 44 922 77 88
info@ernst-grob.com

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