Collet System Avoids Cutter Pull-Out in High-Feed Applications

Pioneer has developed a cost-effective collet system for high-feed applications in which cutters pull out from their holders.

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Pioneer has developed a cost-effective collet system for high-feed applications in which cutters pull out from their holders. The system is based on the company’s SX25 collet and uses a standard 3-mm hardened dowel pin to retain the cutter shank. The initial designs are for Weldon-based flats but can easily be used with cutter designs using radial grooves, the company says. A preset screw in the collet holds the assembly together while installing into the collet chuck. Flat or groove options are available. This design requires no special equipment and provides total indicated runout (TIR) under 5 microns at 4×D.

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