Internal circulation clamping system with supplementary volume for small and medium types of two-platen injection molding machine

Compared with the traditional three-platen injection molding machine, the two-platen injection molding machine has many potential advantages such as space and material saving, uniform clamping force, etc. Internal circulation clamping system is the key to realize energy-saving and high speed clamping for small and medium types of two-platen injection molding machines. This paper presented an internal circulation clamping system with supplementary volume. Compared with the other internal circulation clamping systems, the new system with supplementary volume could not only confirm the uniform tension force on tie bars for dramatic increase of service life but also improve energy-saving. In order to estimate the properties of the new system, the models of two different hydraulic clamping systems were established by using AMESim. The displacement of the moving platen, the pressure of the clamping cylinder, and the energy consumption of the hydraulic clamping system were all calculated and analyzed. Keywords: Injection molding machine, Two platen, Energy saving, Simulation

Abstract licence: CC BY-NC-ND

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