(1) The force direction and the main force direction should generally be perpendicular to the main position measurement criterion. The greatest rotational force is required when overcoming the cutting force and gravity by fully utilizing the friction force. Must be parallel to <br><br>(2) The point of action of the focusing force should be in a plane consisting of a support point or a few support points. When inserting deeply, if the flat point is outside the support surface, be sure to apply a peristaltic tightening mechanism so that the tightening force of several points acts evenly at the same time. The application point of the gripping force should be selected at the best part of the stiffness of the fitting, otherwise an auxiliary support must be installed and the working point of the gripping force must approach the cutting point. <br><br>(3) The size of the gripping force is determined according to the machining position when the required gripping force is the greatest, and then calculated after analyzing the situation where the gripping force is received. For safety, the calculated safety factor (usually 2-3) It is done with the required demand.
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