1: After the mold is used for a long time, it is necessary to sharpen the cutting edge. After grinding, the surface of the cutting edge must be demagnetized, and it cannot be magnetic, otherwise it is easy to cause blocking of the material.
2: Springs and other elastic parts are most easily damaged during use, and cracks and deformations usually appear. The accepted method is replacement. In the replacement process, it is necessary to pay attention to the size and type of the spring. The size and type of the spring are confirmed by three points: color, outer diameter and length. Only when the three points can be replaced..
3: During use of the mold, the punch is subject to breakage, bending and chewing, and the punch sleeve is usually chewed. Damaged punches and bushings are usually replaced with parts of the same standard. The parameters of the punch mainly include the size of the working part, the size of the device part, the length scale.
4: Fasten the parts and check if the fasteners are loose or damaged. The accepted method is to replace them with parts of the same standard.
5: Pressing parts such as pressing plate, Youli glue, etc., unloading parts such as scraping plate, pneumatic ejector, etc. During maintenance, check the connection of accessories and whether there are any damages in each part, repair the damaged part, check for air leakage with an air jack, and take action for the specific situation. Replace air tube if damaged.