FIELD: process engineering.
SUBSTANCE: proposed chuck comprises holder to receive work tool and retainer displacing between unlocking position and locking position whereat it clamps tool in chuck. Locking element is arranged on holder to inhibit displacement of retainer in locking position. Control element is arranged on holder to displace said retainer. Control element stays in working position in first phase of displacing retainer from unlocking position into locking position, and in nonworking position in second phase of acting on retainer. In first phase it moves axially while in second phase it moves radially.
EFFECT: efficient jig.
12 cl, 8 dwg
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