Maintenance of curb stone molds

1. After using the curb stone mold for a long time, the cutting edge must be sharpened, and the cutting edge surface must be demagnetized after grinding, which cannot be magnetic, otherwise it is easy to block the material.
2. The punch is prone to breaking, bending and gnawing during the use of the curb stone mold, and the punching sleeve is generally gnawed. Damage to punches and bushings is generally replaced with parts of the same specification.
3. Check the relationship between the accessories of each part and whether there is damage during the maintenance of the curb stone mold, repair the damaged part, check whether there is air leakage in the pneumatic top material, and take measures for the specific situation.
4. Elastic parts such as curb stone mold springs are the most susceptible to damage during use, and usually break and deform. The method taken is to replace, in the replacement process must pay attention to the specifications and models of the spring, the specifications and models of the spring are confirmed by color, outer diameter and length, and can only be replaced when the three are the same.