Hardware dies are divided into: punching dies (such as punching dies, bending dies, stretching dies, hole-turning dies, shrinking dies, wavy dies, bulging dies, shaping dies, etc.). ), forging die (such as die forging die, upsetting die, etc. ), extrusion die, extrusion die, die casting die, forging die, etc.
Non-metallic molds are divided into plastic molds and inorganic non-metallic molds. According to the different materials of the mold itself, the mold can be divided into sand mold, metal mold, vacuum mold, paraffin mold and so on. Among them, with the rapid development of polymer plastics, plastic molds are closely related to people's lives. Generally, plastic molds can be divided into injection molds, extrusion molds and gas-assisted molding molds.