Self-centering multi-claw chuck device
A claw chuck and self-centering technology, which is applied in the field of self-centering multi-jaw chuck devices, can solve problems such as the inability to guarantee the coaxiality of the inner holes at both ends of special-shaped workpieces, the inability to process special-shaped workpieces, and difficult processing operations. To achieve the effect of ensuring the final machining accuracy, good clamping effect and low production cost
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[0028] The present invention will be further described in detail below in conjunction with specific embodiments and drawings.
[0029] Such as Figure 1 to Figure 7 As shown, the present invention provides a self-centering multi-jaw chuck device, which is used for cooperating with a processing machine tool after clamping a workpiece so that the processing machine tool can process the clamped workpiece. The self-centering multi-jaw chuck device includes a chuck base 1. A plurality of claws 2 are arranged in a circumferential manner on the chuck base 1, and the plurality of claws 2 are enclosed to form a fixed cavity for placing a workpiece. Both the jaws 2 can move back and forth in the radial direction of the chuck base 1 individually to clamp the workpiece in the fixed cavity. The bottom of the fixed cavity is provided with a tailstock center 3 on the processing machine tool. Centering center assembly 4, the center axis of centering center assembly 4 coincides with the center ax...
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