Mechanical peck drill

Details Mechanical peck drill Mechanical peck drill

1991-09-10

1992-09-22

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Means to drive tool

Including means to move tool along tool-axis

408 17, 408138, B23B 4718

Patent

active

051492326

ABSTRACT:
A mechanical pecking method and device is provided wherein a spindle adapted to hold a tool such as a drill bit is mechanically reciprocated in a workpiece. Also provided is a control system and method for controlling the mechanical reciprocation of the spindle and a sensor for remembering the last point of advancement of the spindle during each peck cycle.

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patent: 4681490 (1987-07-01), Pennison et al.
patent: 4688970 (1987-08-01), Eckman
patent: 5062745 (1991-11-01), Eckman

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