Feed device for machine tools, in particular for finishing screwdriver bits
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United States of America Patent
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-
Dec 9, 1997
Grant Date -
N/A
app pub date -
Aug 18, 1995
filing date -
Feb 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a feed device for machine tools with chuck arranged at the free end of a spindle, to which chuck the workpiece is fed axially through the inside of the spindle from the rear by means of compressed air from a compressed air nozzle through the spindle (1) into the chuck (2), having a tool station arranged in front of the head of the chuck and having a stop which comes in front of the head of the chuck (2) in synchronism with the machining for halting the movement of the individual workpiece (8). In order to increase the productivity, a brake member is arranged in the axial hollow (11) of the spindle (1) between the entrance end and the chuck (2).
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