B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 13/10 (2006.01) B23B 13/12 (2006.01)
Patent
CA 2418466
An automatic lathe bar magazine comprises a feed channel (11) for a bar to the lathe chuck and a powered bar pusher (15) grasping with a head collet (17) the tail of a bar in the channel to cause it to run therein. The bar pusher (15) is made telescopic to have an outermost part (18) running with reduced side play in the channel (11) acting as a guide therefor and an internal part (16) with smaller diameter bearing at its head said collet (17) and growing longer on command from the outermost part to protrude from the magazine and enter the lathe. In this manner the bar being machined does not touch the channel and this greatly reduces vibrations and noise produced by the high speed rotation of the bar.
Pietro Cucchi S.p.a.
Smart & Biggar
LandOfFree
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