The sizes of ProDyne fixed-length collet chucks from Lexair Inc. let machines run at high spindle speeds for improving throughput. The small sizes also eliminate almost all tool interference problems, and the chucks' fixed lengths mean no drawback as collets close. These chucks offer 0.0005-in. TIR and repeatability of 0.0002 in. using B42, B60 and B90 solid collets in typical applications.
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