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    • 5. 发明申请
    • PROCESS FOR PRODUCING A PLASTIC PART
    • 生产塑胶件的工艺
    • WO2015175085A1
    • 2015-11-19
    • PCT/US2015/019826
    • 2015-03-11
    • ILLINOIS TOOL WORKS INC.
    • FRIES, Elmar
    • B29C45/16B29C45/73
    • B29C44/0461B29C35/16B29C44/3415B29C45/1642B29C45/73B29C2035/1616B29C2045/1722B29C2045/7393B29K2105/043B29L2009/00B29L2009/008B29L2031/30
    • The invention relates to a process for producing a plastic part for vehicles in an injection molding process, characterized by the following steps: a first plastic charge is injected in the plasticized state into the mold cavity of an injection mold, subsequently, a second plastic charge is injected together with a blowing agent into the mold cavity, the blowing agent leading to the expansion of the second plastic charge injected into the mold cavity, as a result of which the still fluid first plastic charge is pressed from the inside against the walls which delimit the mold cavity of the injection mold, wherein, after the first plastic charge has been injected, a coolant is conducted through the walls which delimit the mold cavity of the injection mold, as a result of which the walls which delimit the mold cavity of the injection mold are actively cooled, and wherein, after an adequate dimensional stability has been reached, the plastic part which is reproduced in the mold cavity is removed from the injection mold.
    • 本发明涉及一种用于在注射成型工艺中制造用于车辆的塑料部件的方法,其特征在于以下步骤:将第一塑料装料以塑化状态注入注射模具的模腔中,随后将第二塑料装料 与发泡剂一起注入模腔中,发泡剂导致注入到模腔中的第二塑料电荷的膨胀,结果使静流体的第一塑料电荷从内部压靠在壁上, 限定注射模具的模腔,其中在注射第一塑料充注之后,冷却剂被引导通过限定注射模具的模具腔的壁,结果将限定模具腔的壁 注射模具被主动冷却,并且在达到足够的尺寸稳定性之后,在模腔中再现的塑料部件是r 从注塑模具中注出。
    • 6. 发明申请
    • A METHOD FOR INJECTION MOLDING PLASTIC PARTS BY MEANS OF AN INJECTION MOLDING MACHINE
    • 注射成型机的注塑成型方法
    • WO2015063321A1
    • 2015-05-07
    • PCT/EP2014/073688
    • 2014-11-04
    • PLASTICS UNBOUND LTD
    • FRANKSSON, OlofAXELSSON, Robert
    • B29C45/73
    • B29C45/7312B29C35/0294B29C45/73B29C2033/042B29C2045/7356B29C2045/7393
    • The steps of the injection molding method comprises (a) fitting the injection molding machine with an injection mold (1) defining one or more molding cavities (8a, 8b, 8c, 8d), at least one of the mold plates (2, 3) are provided with one or more channels (11, 14) for circulation of a tempering medium, (b) providing a feed of plastic material having a first temperature within the processing window, (c) heating molding cavities (8a, 8b, 8c, 8d) to a second temperature within the processing window circulating through the one or more channels (11, 14) a first tempering medium having a third temperature, (d) injecting plastic material having the first temperature into the closed heated mold (2, 3) to fill the molding cavities (8a, 8b, 8c, 8d), (e) cooling at the molding cavities (8a, 8b, 8c, 8d) of the filled closed injection mold (2, 3) to a fourth temperature below the first temperature until at least partly solidification of the molded plastic parts by circulating through the one or more channels (11, 14) a second tempering medium having a fifth temperature, (f) opening the injection mold (1) by parting the injector plate (2) from the ejector plate (3), (g) ejecting the at least partly solidified 25 molded plastic parts by actuation of ejector pins of the ejector plate, and (h) repeating the cycle of steps (c) – (g).
    • 注射成型方法的步骤包括(a)使注射成型机装配定义一个或多个模制腔(8a,8b,8c,8d)的注模(1),至少一个模板(2,3) )设置有用于循环回火介质的一个或多个通道(11,14),(b)在处理窗口内提供具有第一温度的塑料材料的进料,(c)加热模制腔(8a,8b,8c (d)将具有第一温度的塑料材料注入封闭的加热模具(2)中,在第一温度下循环通过所述一个或多个通道(11,14)的第一回火介质, 3)将成型空腔(8a,8b,8c,8d)填充,(e)在填充的封闭注射模具(2,3)的模制空腔(8a,8b,8c,8d)处冷却到下面的第四温度 第一温度直到通过循环通过一个或多个来模制的塑料部件至少部分地固化 通道(11,14)具有第五温度的第二回火介质,(f)通过从喷射板(3)分离喷射器板(2)来打开注射模具(1),(g)将至少部分固化的 25个模制塑料部件,通过推动喷射器板的顶针的操作,和(h)重复步骤(c) - (g)的循环。