注塑机节能大有可为（Energy saving of injection molding machine）.docVIP

注塑机节能大有可为（Energy saving of injection molding machine） The injection molding industry is facing a rapid development opportunities, but in the form of plastic injection molding products finished, electricity accounts for a considerable proportion, according to the demand of technology equipment of injection molding machine, injection molding machine oil pump motor power ratio of the equipment power consumption up to 50%-65%, which was of great potential of energy saving, design and manufacture of a new generation of such type of injection molding machine, has become an urgent need to pay attention to and solve the problem. The process of injection molding machine is usually divided into several stages, such as lock mould, spray glue, melt glue, holding pressure, cooling and opening mold. Each stage needs different pressure and flow. For the oil pump motor, injection molding process is in a state of load change, in the hydraulic system of ration pump, oil pump motor to provide a constant flow at a constant speed, the excess hydraulic oil through the overflow valve reflux, this process is called high pressure throttle. According to statistics, the energy loss caused by high-pressure throttling is as high as 36%-68%. With the world in environmental protection, such as the increasingly stringent requirements of energy consumption, noise, leakage control, energy saving has become a focus on the manufacture of injection molding machine, group to meet customer requirements in order to reduce the production cost through energy saving, the energy-saving control technology of the deep into the extensive research and practice. Such characteristics of all electric injection molding machine excellent, all electric injection molding machine in the power drive system completely abandoned the hydraulic oil pump pressure generated by the motor drive system, which is driven by a servo motor, a ball screw drive structure and synchronous belt, greatly improve the control accuracy of the