Work holders – Holder mounted for movement – With plural means for changing holder positions
Patent
1985-11-04
1988-02-23
Schmidt, Frederick R.
Work holders
Holder mounted for movement
With plural means for changing holder positions
269 60, B23Q 104
Patent
active
047265779
ABSTRACT:
The six sides or angles surfaces of a part are automatically machined on a CNC or NC machining center by securing the part to a fixture plate which is mounted on a platen supported by a U-shaped frame for tilting movement between horizontal and vertical positions. The frame is secured to a pallet of the machining center, and the platen is tilted in response to rotation of twin ball screws driven by a wrench transferred to the spindle of the machining center by an automatic tool changer. In each position, the platen is precisely located and clamped to the frame by a plurality of units each including a shot pin which has a threaded end portion for engaging a corresponding nut within the platen in response to rotation by a dual-torque wrench also transferred to the spindle by the tool changer.
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Hartman Judy J.
Process Equipment Company
Schmidt Frederick R.
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