Design of the Screw Element

The overwhelming majority of today s standard screw elements are both symmetrical and congruent to accommodate handling and production (Fig. 12.1)  

Can be used on either shaft Can be used on either shaft 

The closely intermeshing, self-wiping basic elements, which wipe off each other and also the 

In the case of kneading elements, the basic module is not axially moved in a spiral, but forms a cylindrical body with parallel axes, a kneading disc. Several kneading discs connected in series form a kneading element. Similar parameters can be defined for these elements  

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