The choice of clamping force direction and application point should generally follow the following principles:
The choice of clamping force direction should generally follow the following principles:
1.The direction of clamping force should be conducive to the accurate positioning of the workpiece, without damaging the positioning, so the main clamping force is generally required to point vertically to the positioning surface;
2.The direction of clamping force should be consistent with the direction of the workpiece stiffness, so as to reduce the possibility of clamping deformation of the workpiece.
3.The direction of clamping force should be as consistent as possible with the direction of cutting force and workpiece gravity, so as to reduce the required clamping force.
The selection of the application point of clamping force should generally follow the following principles:
1.The application point of the clamping force should be directly on the supporting surface formed by the supporting element, so as to ensure that the obtained positioning of the workpiece is unchanged;
2.The clamping force point should be in the rigid part, so as to reduce the possibility of clamping deformation of the workpiece;
3.The clamping force should be applied as close as possible to the machining surface, so as to reduce the turning torque caused by the cutting force on the workpiece.
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