1. Adopt vacuum adsorption workpiece, the workpiece is easy to take and place;
2. The height of each hanging plate can be adjusted separately;
3. Adopt lead screw lifting to ensure the stability of the equipment during operation;
4. Use digital electronic proportional valve to accurately set the scanning pressure;
5. It has the function of automatic cleaning filter screen to prevent the filter screen from blocking;
6. Detect vacuum pressure in real time to prevent unstable adsorption of workpiece caused by too small pressure;
7. The innovative cavity cooling design ensures the cavity temperature during operation.