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Several ways to drive the injection mold

release time:2018-01-22 | Article Source:

  Several ways to drive the injection mold

    The driving and driving force, such as punching pressure, mould clamping force, weight drop and extrusion force of the injection mold, are provided by the power transmission mechanism of the forming machine tool and equipment.


  Electromechanical drive: such as punch press, friction press, roll forging machinery, is powered by an electric motor and a rotary movement to drive the transmission mechanism, and through the slider and the mold movement part is connected with the motor, to drive the mold directional movement, and pass the driving forces for the die mold, the material forming process.


  The electro-hydraulic drive: through injection molding motor driven hydraulic pump or pump hydraulic and hydraulic pressure, and after the liquid conveying and hydraulic control system, have certain rated pressure to drive the mold moving parts (such as dynamic model) is connected with the hydraulic cylinder or piston driven, relatively fixed die for oriented translation the material movement, further compression, the material to be machined parts in the post


  Mainly used for pressure forming; plastic blow molding and processing, when the mold is in fixed state, gas pump to produce certain negative pressure plastic plate directly adhered to the mold surface, forming parts, blow molding is a certain pressure gas generated by the gas pump, blower hot melt plastic or glass melt state state the blank parts cavity, the expansion and deformation, and attached in the mold cavity on the surface, forming parts.


  In addition, the processing drive of the injection mold, such as the aluminum alloy profiles, plastic profiles, sheets or films, generally adopts the extrusion forming process. The mould is fixed to the head of the machine, and the material is extruded through the mold and the mould is made by relative motion. If the plastic profile is the screw movement of the screw extruding the machine, the plastic is squeezed into the mold and through the mold surface, the molding material is cooled by cooling. The extruded profiles are drawn forward by the traction mechanism to make continuous forming.