1, the injection mold is that the plastic is first added into the heating barrel of the injection molding machine, and the plastic is heated and melted. Driven by the screw or plunger of the injection machine, it enters the mold cavity through the nozzle and the mold gating system, and hardens into injection products due to physical and chemical effects.
2. Compression molding mold, commonly known as compression molding, is to directly add plastic into an open mold cavity with a certain temperature, close the mold, and melt the plastic into a flowing state under the action of heat and pressure.