Apparatus for applying a tensile load to a hollow shaft

Details Apparatus for applying a tensile load to a hollow shaft Apparatus for applying a tensile load to a hollow shaft

1975-02-27

1976-03-23

Mehr, Milton S.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

403 15, 403 31, B21B 3108

Patent

active

039452352

ABSTRACT:
A hydraulically operable device for stretching a hollow roll arbor to slightly reduce the arbor diameter in order to fit rolling sleeves around the arbor. The device includes a rod which is inserted into the hollow arbor and a hydraulically operable piston and cylinder arrangement at one end of the rod to apply a load through the rod to the arbor. A circular split collett extends around the piston and cylinder arrangement and engages at one end in a reaction block which reacts in response to the applied hydraulic pressure and at its other end with the roll arbor. The collett is held to the reaction block and to the arbor by annular rings, so that when a load is applied to the rod, the arbor is stretched longitudinally.

REFERENCES:
patent: 2709373 (1955-05-01), Barron
patent: 3613429 (1971-10-01), Schwarzenberg et al.
patent: 3842640 (1974-10-01), Schmitt et al.
patent: 3851365 (1974-12-01), Oxlade

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