Work clamping fixture
AssigneeSandvik-Kosta GmbH
InventorDragoljub Rozman
Life of this patent
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Abstract
The invention relates to a work clamping fixture for rotational machining which is equipped with an end face driver for torque transmission from a spindle of a machine tool to a workpiece, the end opposite the end face driver being supported by a center. The end face driver is provided with a plurality of driving pins which are arranged in a circle, and are hydraulically cushioned. Within the circle of driving pins there is mounted a spring-loaded and axially moveable face plate engaging the workpiece.
Claims5
An end face driver for the transmission of torque from a spindle to a workpiece in a rotary machine tool such as a lathe or the like, comprising a rotatable body having a plurality of pins arranged in an annular array extending axially from the front end thereof, said pins being axially movable relative to said body and to each other and resiliently biased by a common hydraulic cushion, a face plate mounted on said body within the annular array of pins for axial movement relative to said pins and body, and means independent of said hydraulic cushion, to resiliently bias said face plate axially outward from said body for engagement with said workpiece.
Dependencies are inferred from the claim text.