Machining elastomer stators for eccentric worm pumps - involves stators with metallic, closed, hollow cylindrical cover and elastomer coating enclosing pump work chamber, hollow space being brought to correct dim. by dia. redn.

摘要

The OD of the cover (1) of the stator is smaller between its end areas (7) than in those end areas which have a dia. corresp. to that theoretical of the cover (1). On the stator ends (7) encompassing compensation rings are fitted, the effective OD of which corresponds to the theoretical dia. of the cover (1). The cover firstly is reduced in dia. over its total length and then in the area of its ends is restored to its old dia. by bending, etc. USE - Machining used elastomer stators for eccentric worm pumps.