Hardinge has released their new 80mm FlexC vulcanized collet system, with collet chucks that mount directly to the machine spindle.

The 80mm vulcanized collets are inserted and removed with a manual compression wrench for collet changeover in less than ten seconds.

The FlexC collet system falls in the “special accuracy” collet classification having guaranteed accuracy within .0004 (.010mm) TIR for style A (pull-back Dead-length stationary stop) and .0008 (.020mm) TIR for style DL (push-to-close).

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These systems achieve the same gripping capability as conventional collets while using less draw bar force. Additionally, the all too frequent variation in bar stock will no longer be a hindrance. The collet head has a gripping range of ±.020 (.5mm) of its nominal size to allow for variation in bar stock without having to change the collet.

Because there is no collet body, the collet segments will remain parallel to the stock even when there are variations in the bar stock. This parallel clamping insures full bearing contact with the part for optimum holding power and reduced push back.

Hardinge FlexC collet systems are interchangeable with other brands on the market. Collets are available in round and hex smooth, round and hex serrated, square smooth, emergency and S-master styles.

www.shophardinge.com