There are specific provisions (0.866*0.993* precompressed diameter +0.2mm= diameter after precompressed, measured relative to three sides, no bending, no straightening, flash polishing and line cleaning). The key is to use as large a die as possible for the terminal (the hydraulic clamp manufacturer has already considered it), and it is recommended to stack and press sequentially. The technology of the second photo is obviously better than that of the first one.

In addition, pay attention to crimping from the end;