Ask the predecessors for advice, how to arrange the multi-station drawing dies for aluminum shell to draw out qualified products, and how to calculate the die size of each station!
Aluminum drawing dies are divided into two types: thinning drawing and constant thinning drawing. The size of each map is determined according to the map coefficient, and the first-level map cannot be lower than 0.52, the second-level map cannot be lower than 0.78, and the third-level map cannot be lower than 0.8 1. . . . . . . . . . . .