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MECHANISM ADJUSTING OPENING/CLOSING TIMING FOR NOZZLE GATE OF MULTI-POINT INJECTION MOLDING MACHINE AND MULTI-POINT GATE INJECTION MOLDING METHOD
MECHANISM ADJUSTING OPENING/CLOSING TIMING FOR NOZZLE GATE OF MULTI-POINT INJECTION MOLDING MACHINE AND MULTI-POINT GATE INJECTION MOLDING METHOD
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机译:多点射出成型机的喷嘴浇口的开闭定时调整机构及多点射出成型的方法
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摘要
PROBLEM TO BE SOLVED: To provide a mechanism adjusting the opening/closing timing for the nozzle gates which is applicable to multi-point gate injection molding machines having an open nozzle type nozzle configuration, and to provide a multi-point gate injection molding method.;SOLUTION: In the mechanism adjusting the opening/closing timing for the individual nozzle gates of a multi-point gate injection molding machine having two or more open-nozzle type nozzle gates injecting a resin, timing pins constituting a nozzle gate switching mechanism carrying out forward/backward motion toward the nozzle gates are arranged in a part or the whole of the area of an injection molding mold opposing the nozzle gates. The timing pins can close and open the nozzle gates by carrying out a proceeding operation from a position on the opposite side toward the nozzle gates so as to close the nozzle gates and by carrying out a refuge operation against the nozzle gates so as to open the nozzle gates, respectively, and the opening/closing timing of two or more nozzle gates is adjusted by controlling the forward/backward motion of two or more of the timing pins.;COPYRIGHT: (C)2009,JPO&INPIT
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