The workpiece needs to be positioned and clamped before processing, which are two very important tasks.
The purpose of clamping is to prevent the workpiece from displacement or vibration under the action of cutting force, gravity, inertia force, etc., so as not to damage the positioning of the workpiece.
Therefore, the correctly designed clamping mechanism should meet the following basic requirements:
1. Clamping shall not damage the correct positioning of the workpiece;
2. The clamping device shall be rigid enough;
3. The workpiece surface shall not be damaged during clamping, and the workpiece shall not be deformed beyond the allowable range;
4. It can obtain the required clamping effect with a small clamping force;
5. Good processability. On the premise of ensuring productivity, the structure should be simple and convenient for manufacturing, maintenance and operation. The manual clamping mechanism shall have self-locking performance.
