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    • 17. 发明公开
    • 사출장치 및 그 제어방법
    • 注射装置及其控制方法
    • KR1020010049857A
    • 2001-06-15
    • KR1020000042267
    • 2000-07-22
    • 스미도모쥬기가이고교 가부시키가이샤
    • 이마토미요시유키히라노도모히로
    • B29C45/76
    • B29C45/76B29C45/50B29C45/52B29C2045/1792B29C2945/76006B29C2945/76013B29C2945/76083B29C2945/76113B29C2945/76187B29C2945/76287B29C2945/76381B29C2945/76498B29C2945/76598B29C2945/76665B29C2945/76859B29C2945/76862B29C2945/76943
    • PURPOSE: To prevent the fluctuations of a reference position and to enhance the quality of a molded article by advancing a screw to set the same to the reference position between a weighing process and an injection process, and allowing flights to advance apparently at a speed lower than the speed of the screw during this period and advancing the screw in the injection process. CONSTITUTION: During the period from the completion of a weighing process to the start of an injection process, a control device 62 drives an injection motor 53 to allow a screw to advance to set the same to a reference position. As a result, the irregularity of injection pressure at the start time of the injection process is eliminated. At this time, a weighing motor 41 is driven in a reverse direction to make a flight speed lower than a screw speed. By the lowering of the flight speed, a resin is stagnated on the inner peripheral surface of a heating cylinder and friction resistance is reduced. Next, the injection motor 53 is driven in a forward direction in the injection process to advance the screw to inject the resin. During this period, the weighing motor 41 is driven in a reverse direction to advance flights apparently at the flight speed.
    • 目的:为了防止参考位置的波动,并通过推进螺丝将其设置为称重过程和注射过程之间的参考位置来提高模制品的质量,并允许航班明显以较低的速度前进 比螺杆在这段时间内的速度高,并且在注射过程中推进螺杆。 构成:在从称重过程完成到注射过程开始的期间,控制装置62驱动注射马达53以允许螺钉前进以将其设定为参考位置。 结果,消除了注射过程开始时的注射压力的不均匀性。 此时,称重电动机41沿相反方向驱动,使得飞行速度低于螺杆转速。 通过降低飞行速度,树脂停滞在加热缸的内周面上,摩擦阻力降低。 接下来,在注射过程中,向前驱动注射马达53,以推进螺钉以注入树脂。 在此期间,称重电动机41以相反的方向被驱动,显着地以飞行速度推进飞行。