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    • 1. 发明授权
    • Method of manufacturing a multilayer molding
    • 多层成型体的制造方法
    • US5645786A
    • 1997-07-08
    • US677193
    • 1996-07-09
    • Haruo OkadaHidemi AokiYasuhiko TakeuchiKunio Yuhara
    • Haruo OkadaHidemi AokiYasuhiko TakeuchiKunio Yuhara
    • B29C45/16B29C45/23B29L9/00
    • B29C45/1603B29C45/1642Y10S264/57
    • An improved method of manufacturing a multilayer molding having a core and a surface layer by means of a double nozzle structure can eliminate a damaging phenomenon of producing a mixture of a resin material for forming the core remaining in and out of the aperture of the inner nozzle of the double nozzle structure and a resin material for forming the surface layer in the initial stages of molding operation by effectively driving back the remaining resin into the inner nozzle. A double nozzle structure that can suitably be used with such a method includes a shut-off pin arranged in the inner nozzle disposed at the center of the outer nozzle. The resin material for forming the core is driven out simultaneously with the resin material for forming the surface layer coming from the outer nozzle. The operation of resin injection from the inner nozzle is terminated at an arbitrarily selected moment during the operation of injecting the resin material for the surface layer of the outer nozzle. Then, the inside of the inner nozzle is brought into a no-load condition while the shut-off pin is held to its open position. Thereafter, the remaining resin material for the core found in and out of the aperture of the inner nozzle is driven back into the inner nozzle by the pressure of the resin injected from the outer nozzle. Finally, the inner nozzle is closed by the shut-off pin and the injecting operation of the outer nozzle is terminated.
    • 通过双喷嘴结构制造具有芯和表面层的多层模制品的改进方法可以消除产生残留在内喷嘴孔内的芯的树脂材料的混合物的损坏现象 的双喷嘴结构的树脂材料和用于在成型操作的初始阶段形成表面层的树脂材料,通过有效地将剩余的树脂驱回到内部喷嘴中。 可以适当地使用这种方法的双喷嘴结构包括布置在设置在外喷嘴的中心的内喷嘴中的切断销。 用于形成芯的树脂材料与用于形成来自外部喷嘴的表面层的树脂材料同时被驱除。 在喷射外部喷嘴的表层的树脂材料的操作期间,从内部喷嘴进行的树脂注入的操作在任意选择的时刻终止。 然后,在关闭销保持在其打开位置的同时,使内部喷嘴的内部进入空载状态。 此后,通过从外部喷嘴喷射的树脂的压力,发现在内部喷嘴的孔内的剩余的用于芯的树脂材料被驱回到内部喷嘴中。 最后,内部喷嘴被关闭销关闭,并且外部喷嘴的喷射操作终止。
    • 6. 发明授权
    • Method for controlling mold clamping device
    • 用于控制夹紧装置的方法
    • US08244397B2
    • 2012-08-14
    • US12392784
    • 2009-02-25
    • Takashi HakodaIsamu KomamuraHaruo OkadaKiyoshi Nakamura
    • Takashi HakodaIsamu KomamuraHaruo OkadaKiyoshi Nakamura
    • B29C45/03
    • B29C45/82B29C45/76B29C2945/76083B29C2945/7611B29C2945/76227B29C2945/76387B29C2945/76575B29C2945/76595B29C2945/76705B29C2945/76866
    • A predetermined speed control pattern B is sct. In a mold clamping process, in a mold closing section Zm, mold closing control is performed at a mold closing speed Vm, and based on a current mold closing speed Vd and a current mold closing position Xd, which are both detected, a deceleration starting position Xmc of the deceleration section Zmd, where the current mold closing speed Vd becomes a zero (O) at a virtual stop position Xc, is sequentially forecasted at each predetermined time interval by calculation. Upon reaching the deceleration starting position Xmc the deceleration section Zmd is started, and in the deceleration section Zmd, based on the detected current mold closing position Xd, a speed command value Dm corresponding to the speed control pattern B is obtained sequentially by calculation, and according to the speed command value Dm deceleration control is performed. Upon reaching a mold clamping-transition speed Vc, a predetermined mold clamping processing is performed via a low-pressure low-speed section Zc.
    • 预定的速度控制模式B是sct。 在合模过程中,在模具闭合部分Zm中,以模具闭合速度Vm执行模具闭合控制,并且基于当前的模具闭合速度Vd和当前的模具闭合位置Xd,两者都被检测到减速开始 在虚拟停止位置Xc处的当前模具关闭速度Vd变为零(O)的减速部分Zmd的位置Xmc通过计算在每个预定时间间隔被顺序预测。 在到达减速开始位置Xmc时,减速部分Zmd开始,在减速部分Zmd中,根据检测到的当前模具关闭位置Xd,通过计算顺序地获得与速度控制模式B相对应的速度指令值Dm, 根据速度指令值Dm进行减速控制。 在达到模具夹紧转变速度Vc时,通过低压低速部分Zc执行预定的模具夹紧处理。
    • 7. 发明授权
    • Method for controlling mold clamping device
    • 用于控制夹紧装置的方法
    • US08239058B2
    • 2012-08-07
    • US12392799
    • 2009-02-25
    • Takashi HakodaIsamu KomamuraHaruo OkadaKiyoshi Nakamura
    • Takashi HakodaIsamu KomamuraHaruo OkadaKiyoshi Nakamura
    • B29C45/03
    • B29C45/82B29C45/80B29C2945/76083B29C2945/7611B29C2945/76227B29C2945/76394B29C2945/76575B29C2945/76595B29C2945/76705B29C2945/76872
    • A predetermined speed control pattern A is set. In controlling mold opening, in the mold opening section Zm, mold opening control is performed at the mold opening speed Vm, and based on a current mold opening speed Vd and a current mold opening position Xd, which are both detected, a deceleration starting position Xmc of the deceleration section Zmd where a current mold opening speed Vd becomes a zero (O) at a virtual stop position Xso is sequentially forecasted at each predetermined time interval by calculation. Upon reaching the deceleration starting position Xmc the deceleration section Zmd is started, and in the deceleration section Zmd, based on the detected current mold opening position Xd, a speed command value Dm corresponding to the speed control pattern A is obtained sequentially by calculation, and according to the speed command value Dm deceleration control is performed. Upon reaching a last-transition speed Vc, a predetermined stop controlling processing is performed.
    • 设定预定速度控制模式A. 在控制开模时,在开模部Zm中,以开模速度Vm进行开模控制,并且根据检测到的当前的开模速度Vd和当前的开模位置Xd,设定减速开始位置 通过计算,在每个预定时间间隔顺序地预测在虚拟停止位置Xso处当前模具打开速度Vd变为零(O)的减速部分Zmd的Xmc。 到达减速开始位置Xmc时,减速部Zmd开始,在减速部Zmd中,根据检测到的当前开模位置Xd,通过计算顺序地获得与速度控制图案A对应的速度指令值Dm, 根据速度指令值Dm进行减速控制。 达到最后转变速度Vc时,执行预定的停止控制处理。