In order to promote the energy saving of the injection molding machine known as "electric tiger", the current major injection molding machine manufacturers have explored new energy-saving technologies, making the energy-saving injection molding machine become the mainstream of injection molding machine product innovation.
Driven by the wave of enterprise R&D, many New products have emerged in the injection molding machine market. The all-electric injection molding machine is one of the products of innovative technology. It maintains low speed during pressure keeping, cooling and idle conditions to achieve energy saving and noise reduction, but its service life is short. The electric hydraulic injection molding machine that combines hydraulic pressure and electric drive is the one that brings more impact to the traditional hydraulic injection molding machine market. It combines the high-performance and all-electric energy-saving advantages of a fully hydraulic injection molding machine to improve the efficiency of the power drive system and reduce energy loss, prompting the hydraulic injection molding machine to accelerate the development and application of energy-saving technologies.

Innovation in the principle of energy-saving injection molding is also one of the important ways to promote energy saving in injection molding machines. For example, Ningbo Haihang Plastic Machinery Manufacturing Co., Ltd. has adopted the principle of energy-saving injection molding of large-scale injection molded parts for low-pressure and high-speed external heat flow, and developed a 50-kg ultra-large energy-saving injection molding machine. The hydraulic power system has a loading power of only 37 kW, which is the same specification. 1/7~1/6 of the ordinary horizontal injection molding machine, the total load power of the whole machine is only 192 kW.

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