Strictly perform first inspection, intermediate extraction and final inspection. The work size of the workpiece is inspected based on the drawing or process file, the punch edge must not stretch and bend, and the height of the burr must not exceed 10% to 15% of the material thickness.

The trial operation inspection machine, the safety reliability of the electric performance, and the parts to be machined must be processed after passing the inspection of the previous process, and the technical requirement is clarified before the processing, and it is necessary to confirm whether there is any mistake in the raw material. When you understand that you select the corresponding die according to the processing demand, first point the press slider to the top dead center, and put the upper module into the slider shank groove and put it flat. Tighten screws and top filaments to prevent gaps between the upper and lower modules.

After wiping off the floor surface and removing the stainless steel dirt, the lower module is placed on the punch table. Move the wheel or handle large wheels, put the slider down to the bottom dead center, adjust the height of the link, and make the stroke of the metal mold appropriate. By adjusting the punch clearance, the pressing plate of the lower module is pressed, the flat plate is made to be flat, and the base iron and the bottom die are made equal, and the fixed point must be symmetrical. Locks the link and checks if there is no looseness of the mold. It is necessary to determine the vertical reference (front and rear) and the horizontal reference (left and right), to make the material to the bottom plate, and to make the bottom flat to the bottom. The processed parts must be properly sorted and labeled.