Abstract: New energy-saving technologies for plastics machinery and their application effects were introduced, especially in the respect of energy-saving effect, including power transmission, extrusion and injection molding systems, auxiliary equipments and control systems, etc.。

Key words: plastics machinery, driving system, molding machine, auxiliary device, control system, electromagnetic dynamic plasticization, tensile rheology, melt pump, innovative screw, grooved barrel, energy-saving technology