I found sometimes it's not the collet that the problem, often as not by just rotating holder by 180 degrees you cure it, but it's not so easy has that with a machine that using CAT-V (Din 69871) but at least you can test toolholder by removing the larger drive key from spindle and manually loading tool.
Last edited by Astonlee; 01-14-2009 at 11:31 AM.
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