Process characteristics of packaging steel strip die

Process characteristics of packaging steel strip die
　　 The packaging steel strip die is made of thin steel strips that have been heat-treated (HRC40-45) in advance as the die. After the die is made, there is no need for heat treatment to avoid the spruce caused by heat treatment, thereby saving The process of correcting the deformation has been removed. There are several methods for making molds, such as fitter processing after imprinting, wire cutting processing, and punching and packaging steel strip concave molds with backing plate holes. These types of manufacturing processes are relatively simple and can produce high-precision molds in a short time. In addition, the holes of the die, the unloading plate and the backing plate can be processed by wire cutting at the same time, which not only shortens the cycle, but also facilitates assembly.
　　 The gap value of the convex and concave dies for packaging steel strip die is not strict. For various materials with a thickness of only one millimeter, the blanking gap is within 0.1 mm; when the precision of the punch is low, it can be Enlarge the gap to 0.15-0.2 mm.
　　Using zinc-based alloy die to punch the packaging steel strip die and fix it on the zinc-based alloy die, it can be made into a zinc-based alloy one packaging steel strip laminated die to improve the use of zinc-based alloy die Life and accuracy of punching parts. When the die of the conventional punching die is about to be scrapped, several packaging steel strips can be fixed on the die and punched into a packaging steel strip die in turn to extend the service life of the die.