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Classification of hydraulic power chucks
The wedge structure is a common structural form of hydraulic power chuck, which converts the axial movement of the chuck piston into the radial movement of the jaw through the wedge groove mechanism.
Release time:
2022-07-27
1. Wedge hydraulic power chuck
The wedge structure is a common structural form of hydraulic power chuck, which converts the axial movement of the chuck piston into the radial movement of the jaw through the wedge groove mechanism.
2. Helical slider hydraulic power chuck
The chuck of this structure first converts the axial movement of the chuck piston into the movement of three sliders in its chute through the wedge groove mechanism. The teeth form an inclined surface meshing relationship, and the movement of the slider drives the jaws to move radially to clamp the workpiece. The clamping force is large, the clamping precision is high, and the mechanism wear is small.
3. A lever type power chuck
The piston drives the wedge block through the wedge mechanism, and then drives the jaw through the straight lever. In this structure, the mass of the jaws is small, and the centrifugal force of the wedge tooth block compensates the centrifugal force of the jaws, which reduces the loss of clamping force and is beneficial to increase the rotational speed. The fulcrum of the lever is designed as a spherical support to withstand higher pressure.
4. Pull-in chuck
The chuck is generally used to clamp slender shafts, and is locked by the axial movement of the jacket and the change of the diameter of the jacket through the cooperation of the tapered surface.
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