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China ***0T Aluminium extrusion press A:Brief and work truth The machine is a kind of timber extrusion equipment to adapt for section demand and upper crystal precision that adopt PLC, transducer, touching screen, circumrotate coder, simulating mete block, closed loop control, practice constant speed extrusion or gradually dropping speed extra extrusion. In the process of extrusion as a result of changing of length and feed material temperature, the extrusion speed will advance step by step.So it will affect the section precision of type timber. Routine timing press adopts journey switch to sub suction set speed.So the speed curve of moving forward submitting saw constant speed extrusion machine can measure piston forward speed by coder, controlled with closed loop, immediacy dominating motor speed to control the amount out of oil.so it can reach the high precision and technological requirements . It can also adjust and inspect the extrusion speed by touching screen. B:The virtue of constant speed extrusion machine speed extrusion can extrude the top of grade type timber of good section dimension and strict crystal. 2.Save *0%**5% in electricity compared with common extrusion machine noise for **5dBA class output about *0%, briefness operation screen inspects the full process of profile at any time, coder permuting the journey switch, putting closed loop control into practise.So it can reduce the dominating the exceed flux without high pressure return oil can reduce oil temperature , prolong working life for hydraulic oil and seal.