Two speed press drive

Details Two speed press drive Two speed press drive

1992-01-24

1993-03-16

Lorence, Richard M.

Planetary gear transmission systems or components

Planetary gearing or element

Coaxial teeth around planet pinion engage axially spaced...

192 18A, 192 8716, 74665B, F16D 6704

Patent

active

051940574

ABSTRACT:
A two speed press drive using hydraulic actuated oil shear clutch/brake units is disclosed. The clutch/brake units for selecting high or low speed are in coaxial nested relationship to each other. The speed change is achieved using a planetary gear set in which all members of the planetary gear set are allowed to float thus providing exact tooth meshing for all components. The drive provides a more precise operation due to no wear of clutch plates and less heat generation in the clutch/brake units. The gearing and bearings for the unit are contained in a sealed chamber which is continuously supplied with oil which has been filtered and cooled.

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