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    • 4. 发明公开
    • COMPOSITE-MATERIAL MOULDING METHOD AND MOULDING DEVICE
    • 复合材料模制方法和模制装置
    • EP3210739A1
    • 2017-08-30
    • EP14904346.5
    • 2014-10-22
    • NISSAN MOTOR CO., LTD.
    • USUI, Katsuhiro
    • B29C39/10B29C39/24B29C39/42B29C39/44
    • B29C70/48B29C39/10B29C39/24B29C39/42B29C39/44B29C67/246
    • [Problem]
      To provide a composite material molding method and a molding device that are capable of shortening the molding time and suppressing the clamping pressure.
      [Solution]
      In the composite material molding method, a composite material is molded by disposing a reinforcing base material in a cavity inside an openable and closable mold, injecting resin into the cavity in a state in which a clamping pressure is exerted on the mold, and curing the resin. When injecting the resin into the cavity, the injection pressure of the resin is adjusted between a first pressure that is higher than the clamping pressure and a second pressure that is lower than the clamping pressure, and the injection pressure of the resin is lowered from the pressure that is higher than the clamping pressure to the pressure that is lower than the clamping pressure at least once (S3-S6). The resin is thereby injected such that the pressure inside the cavity does not exceed the clamping pressure from the start of injection to the end of injection of the resin (S7).
    • 本发明的目的在于提供一种能够缩短成型时间并抑制夹紧压力的复合材料成型方法及成型装置。 [解决方案]在复合材料成型方法中,复合材料通过如下方式成型:将增强基材放置在可开闭模具内的空腔中,在将模压施加在模具上的状态下将树脂注入模腔中, 并固化树脂。 当将树脂注入空腔时,树脂的注入压力在高于夹紧压力的第一压力和低于夹紧压力的第二压力之间调节,并且树脂的注入压力从 压力高于夹紧压力至低于夹紧压力的压力至少一次(S3-S6)。 由此注入树脂使得腔内的压力不超过从注射开始到树脂注射结束(S7)的夹紧压力。
    • 5. 发明公开
    • COMPOSITE-MATERIAL MOULDING METHOD AND MOULDING DEVICE
    • 复合材料模制方法和模制装置
    • EP3210738A1
    • 2017-08-30
    • EP14904224.4
    • 2014-10-22
    • NISSAN MOTOR CO., LTD.
    • USUI, KatsuhiroARAI, Naoki
    • B29C39/10B29C39/24B29C39/42B29C39/44
    • B29C39/42B29C39/10B29C39/24B29C39/44B29C45/0005B29C67/246B29C70/48B29C2791/002B29C2791/006
    • [Problem]
      To provide a composite material molding method and a molding device that are capable of shortening the molding time and suppressing the clamping pressure to thereby miniaturize the pressing machine.
      [Solution]
      The composite material molding method is a molding method for forming a composite material by disposing carbon fiber in a cavity inside an openable and closable mold, injecting resin into the cavity in a state in which a clamping pressure is exerted on the mold, and curing the resin, wherein, when a threshold value of the pressure inside the cavity is set lower than the clamping pressure and the resin is injected into the cavity, the resin is injected while exerting an injection pressure that is equal to or greater than the clamping pressure on the resin until the pressure inside the cavity reaches the threshold value (S4, S5), and the inside of the cavity is suctioned after the pressure inside the cavity has reached the threshold value.
    • 本发明的目的在于提供一种复合材料成形方法和成形装置,其能够缩短成形时间并抑制夹持压力,使压机小型化。 解决方案复合材料成型方法是一种用于通过将碳纤维布置在可打开和可闭合的模具内的空腔中,在对模具施加夹紧压力的状态下将树脂注入空腔中来形成复合材料的成型方法, 并且使树脂固化,其中,当模腔内的压力的阈值被设定为低于夹紧压力并且树脂被注入模腔时,树脂被注入,同时施加等于或大于 在树脂上施加压力,直至空腔内的压力达到阈值(S4,S5),并且在空腔内的压力达到阈值之后抽吸空腔的内部。