15
2021
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09
Extruder features
Classification：
【Summary Description】One of the characteristics of modern extruders is to develop towards energy-saving. To reduce the cost of aluminum products, one of the important measures is to save energy. The power of extruders is quite large, so energy saving naturally becomes the first choice of entrepreneurs. Mingsheng Machinery's independent research and development has reduced the power consumption of aluminum in the extrusion process by adopting servo system energy-saving control and optimizing the design of hydraulic circuit.
One of the characteristics of modern extruders is to develop towards energy-saving. To reduce the cost of aluminum products, one of the important measures is to save energy. The power of extruders is quite large, so energy saving naturally becomes the first choice of entrepreneurs. Mingsheng Machinery's independent research and development has reduced the power consumption of aluminum in the extrusion process by adopting servo system energy-saving control and optimizing the design of hydraulic circuit. Its principle and advantages are as follows:
(1) The existing power control mode of extruder is to use 6-pole or 4-pole constant speed AC asynchronous motor to drive variable piston pump and vane pump. The variable piston pump can change the variable mechanism of the oil pump according to the needs of the extrusion speed to realize the speed regulation function; The vane pump needs hydraulic drive to provide auxiliary action. It has the following disadvantages:
① The host will generate useless work in standby mode.
② The actual working time of the vane pump is only about ten seconds when it provides auxiliary action in each extrusion cycle, and the rest of the time is to return oil through overflow, which will consume a certain amount of electric energy.
③ The service life of the oil pump will be shortened if it is operated or idle for a long time.
④ The hydraulic oil will generate heat when the main engine is in standby and the motor and oil pump are idling.
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