Wht is that.? die casting as i know is same like injection molding but the different is for die casting when inject the product must be produce aluminum or steel product .
To produce a mold, the process same as to produce mold that to inject plastic produce . the process and design not too complicated like plastic part mold and the drawing very simple to understand and easy to read.
Die casting mold always have to service and PM more crust between plastic part mold . but to service that mold is easy, just polish the insert or welding if have a crack on insert then milled the insert so that get the illusion for a product.
2 week practical at mold fab and know the process how to produce die casting mold. i hope i will learn all process to produce that mold and will share at my entry . INSYAALLAH~~