| 摘要 |
A collet chuck, in housing of which an external collet with conical bore is mounted and an internal collet is located inside it. The latter has external conical surface and evenly located in the circle and made from opposite ends blind longitudinal cuts and one through cut. To the end of the housing of chuck a flat disk is fastened, which contains radial lobes located in the cuts of external collet which interact with the end of internal collet.
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