Material and Weight Savings with Exceptional Surfaces

The sun shaft is the central part of a planetary transmission. The other shafts, such as the gear ring or the planetary gear, orbit around this “sun”.

Felss Sun Shaft

This Felss sun shaft is produced in the rotary swaging process, among others. This cold stabilization offers exceptional surface quality and the highest degree of process security. The lightweight design solution enables considerable material and weight savings with simultaneously high precision.

Added Value

Felss Benefits Icon Resource Efficient

Resource Efficient

The highest degree of process security.

Felss Benefits Icon Faster


Reduced cycle time of approx. 12 seconds and quick retooling possible.

Felss Benefits Icon More Precise

More Precise

Excellent surface and consistently high spline quality.

Felss Components in Use: Our Applications

Felss Steering Shaft

Steering Shaft

This Felss steering shaft is, in contrast to manufacturing using other processes, produced from one part.

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Felss Steering-Wheel Shaft

Steering-Wheel Shaft

Felss steering-wheel shafts are produced from one tube, which reduces production costs and simultaneously ensures improved straightness and the highest level of geometry precision.

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How Can We Help You?

We would be happy to advise you personally about our solutions and are available to answer any inquiries concerning the Felss Group.