1. Casting can also be divided into gravity casting and pressure casting according to the pouring process of molten metal.

Lost wax casting is now called investment casting. It is a casting process with little or no cutting. It is

The defects of cast aluminum parts are mainly manifested as: 1. The structure design of the casting is unreasonable, there

The surface treatment of zinc alloy die castings is very important. If the electroplating is not done well, all the