Customer Relations and Strong Ties

Graf GmbH

Our roll shells

The perfect match: dies and roll shells made by GRAF

As with our dies, we strive to produce roll shells of the highest quality. Maximising the concentricity
of our roll shells ensures longevity of dies, rolls, bearings and reduces vibration in the pellet mill.
The bore of our roll shells are ground to high tolerances meeting the bearing manufacturers’ recommendations.

Whether dimpled, open or closed end corrugated or even diagonal corrugated –
At Graf you will find suitable roll shells for every type of pellet mill and application.

Our standard material is C50 but for more arduous applications we recommend roll shells
made from 100Cr6.


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