Operation
9
3.1.2 Lathe Setup - Workholding
A drawback collet is required for bar feed applications. The Bar Feeder holds the push rod
in place while the lathe drawtube clamps. If the collet does not pull the bar stock against
the push rod when the drawtube clamps, length variation can occur and accuracy cannot
be guaranteed.
NOTE: Your collet should also have a chamfered lead-in for smooth bar
feeding.
F3.2: Drawback Collet Example. [A] Collet Unclamped; [B] Collet Clamped. [1] Chamfered
Collet Lead-In, [2] Collet Closer Body, [3] Collet, [4] Bar Stock
For installation instructions, refer to the Lathe Operator’s Manual and the documentation
that came with your workholding.
96-8913A.book Page 9 Monday, May 18, 2015 7:55 AM
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