Aluminum profile extrusion machine is a machine that extrudes aluminum alloy rods into various specifications of profiles. The process parameters such as extrusion coefficient, extrusion speed and other process parameters need dynamic changes in pressure and flow at each stage, and there is overflow phenomenon in the high-pressure extrusion process under production conditions, resulting in waste of electric energy. The industry's demand for high-performance power systems is put forward by a well-known large-scale aluminum extrusion press manufacturer in China, which promotes the reduction of production costs and advocates energy conservation and environmental protection in the industry. With the assistance of machinery manufacturing enterprises, our company has launched an industry-leading extrusion press servo. Electric motor hydraulic drive system. This system mainly adopts servo driver, servo motor, combined oil pump and closed-loop control of pressure, speed and current. The servo system matches the oil pump to be controlled separately according to the action sequence, the oil circuit closes the pressure relief valve, uses the pressure feedback of the servo itself to adjust the oil pressure change, adjusts the actual working pressure according to the set pressure, and reduces energy loss; the main cylinder extrusion adopts the column The plug oil pump is independently controlled, and the output power changes with the load. It stops when it is not working, and there is no waste of excess energy. A fully closed-loop servo control system with low energy consumption, high efficiency and high precision is achieved.
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