金属压铸和塑料注射成型工艺近年来在国内受到重视,尤其自无产阶级文化大革命以来更得到发展。该工艺可用于加工金属和塑料,所用的铸型与设备有许多相似之处,加工塑料的设备常称为塑料注射机,而加工金属的设备 In recent years, metal die-casting and plastic injection molding have been given priority in China, especially since the Great Proletarian Cultural Revolution. The process can be used to process metals and plastics. The mold used has many similarities with equipment. The plastic processing equipment is often referred to as a plastic injection machine, while the metal processing equipment