Chuck jaw changer for a machine tool
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United States of America Patent
Stats
-
May 13, 1986
Grant Date -
N/A
app pub date -
May 11, 1984
filing date -
May 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chuck jaw changer is disclosed as mounted on the headstock (24) of an N/C lathe (22) for automatically changing the set of gripping jaws (32) of a quick change chuck (28) on a work spindle (26) with any of other interchangeable sets of gripping jaws (32') being held by a rotary, indexing jaw magazine (34). The jaw magazine has formed therein several jaw grooves (150) each for holding one set of gripping jaws (32'), or the jaw set (32) withdrawn from the chuck, slidably engaged therein in a row. An indexing mechanism (35) revolves the jaw magazine relative to the machine tool for bringing any of the jaw grooves into line with that one of radial jaw guideways (54) of the chuck which is being held in a prescribed jaw change position on the work spindle. A jaw transfer mechanism (36) operates for successively transferring the set of jaws from the chuck into an empty jaw groove in the jaw magazine, and a different set of jaws from the jaw magazine to the chuck. Thus the transfer of each set of gripping jaws from the chuck to the jaw magazine or vice versa can be completed while the magazine is held at a standstill on the machine tool.
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