Sheet metal, in general, is some thin metal plate by hand or mold stamping to make it plastic deformation, forming the desired shape and size, and can further form more complex parts by welding or a small amount of mechanical processing, sheet metal parts are thin plate hardware, that is, parts that can be processed by stamping, bending, stretching and other means. The following are the common problems of sheet metal processing stamping parts processing:
Burr: When there is not completely left material in the process of punching or cutting corners, the burr is generated in the lower part of the cut-off surface of the steel plate.
Convexity and concavity: abnormal convexity or concavity on the material surface is caused by foreign matter (iron chips, dust) mixed in the uncoiling line.
Roller print: caused by cleaning rollers or foreign matter attached to the feeding rollers, generally you can remove the foreign matter of roller print on the sheet material.
Sliding print: caused by the roller sliding, occurring when suddenly stopped or accelerated.
Roll crushing, edge wrinkling: wrinkling scenario generated by the guide roller on the unrolling line or the guide roller gap on the die when it is small, caused by the unyielding feed of the rolls.
Scratching: The main reason for scratching on the part, sharp scars on the mold or metal dust chips falling into the mold, prevent measures to repair the scars on the mold and remove the metal dust chips.
Bottom cracking: the main reason for the cracking of the bottom of the part is the poor plasticity of the material or the pressure of the mold crimp ring is too tight, to prevent measures to replace the plasticity of better materials or to loosen the crimp ring some.
Side wall wrinkles: the main reason for side wall wrinkles is the material thickness or mold installation deviation, resulting in a large gap on one side, the other side of the gap is small, to prevent measures for timely replacement of materials and readjustment of the mold.
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