Construction forms of Grisson gears

A standard Grisson gear consists of two roller rings and a camshaft with two cams which are offset by 180. The camshaft is axially parallel to the roller clutch shaft. The camshafts represent envelopes of an epicycloid. The camshafts form curves/ counter curves between two rollers. It is a simple and inexpensive construction form with a high level of efficiency.

The camshaft can be constructed by means of a CAD system or can be calculated, e.g. via mathcad. The force characteristics during the camshaft’s rotation can be influenced by its form. The reduction, the rollers‘ diameters, the pitch circles of the roller rings and the camshaft’s position towards the roller rings are the alterable paramaters of the classic grisson gear.

We are happy to design all gear variants presented on this website.

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This product has been patented.