1. What is mold rapping? When the customer confirms the sample, we will use the plaster mold for proofing as the master mold. After the master mold is electroplated with copper, the mold for production is made according to a certain number and position. 2. Type of Mold Conventional molds are divided into three types: plaster molds, copper molds, and aluminum molds. Among them, the plaster mold is ...

As introduced in the last article, the material will become the final shape of the product after stretching.  At this time, it is a whole piece of product, and we need to cut it into individual products with a knife die. This process is called Extrusion Press. The principle is that there is a large plastic chopping block on the bottom of the lower punch. The large-sized products are placed on...