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公开(公告)号：US20220203592A1
公开(公告)日：2022-06-30
申请号：US17438206
申请日：2019-12-09
发明人： Hozumi YODA , Nobukazu KASUGA , Hirofumi MURATA
摘要： A molding injection pressure and a molding clamping force are determined in advance to obtain a parting opening amount, which is a predetermined gap, between a movable mold and a fixed mold of a mold during injection filling. The molding injection pressure and the molding clamping force are determined to obtain a molding injection pressure capable of molding a good product and a mold clamping force capable of molding a good product, respectively, thereby setting a specific molding condition, setting a fast injection speed from the start of injection, which is higher than the injection speed set by the specific molding condition, and setting a fast injection section for continuing the fast injection speed as a fast injection condition, mold-clamping the mold by the molding clamping force during molding, and setting the molding injection pressure to a limit pressure, injecting and filling resin into a mold by the fast injection condition from the start of injection, and injecting and filling resin by the specific molding condition when the fast injection section ends.
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公开(公告)号：US20240239030A1
公开(公告)日：2024-07-18
申请号：US18434366
申请日：2024-02-06
发明人： Hozumi YODA , Nobukazu KASUGA , Hirofumi MURATA
CPC分类号： B29C45/77 , B29C45/04 , B29C45/67 , B29C45/7653 , B29C45/766 , B29C45/768 , B29C2945/76083 , B29C2945/76096 , B29C2945/76254 , B29C2945/76498 , B29C2945/76505 , B29C2945/76595 , B29C2945/76709 , B29C2945/76732
摘要： An injection molding machine including a mold clamping device for clamping a mold comprising a fixed mold and a movable mold by a predetermined mold clamping force; an injection device for injecting and filling a resin into the mold by a predetermined injection pressure, wherein the mold clamping device enables natural compression of the resin at least as the resin inside the mold solidifies; and a molding machine controller at least including a specific molding condition setting function for setting a specific molding condition by obtaining a parting opening amount which becomes a predetermined gap between the movable mold and the fixed mold during injection filling, a molding injection pressure which becomes an injection pressure capable of molding a good product and a molding clamping force which becomes a mold clamping force capable of molding a good product; a fast injection condition setting function for setting, as a fast injection condition, a fast injection speed from the start of injection, the fast injection speed being higher than the injection speed set by the specific molding condition, and a fast injection section for continuing the fast injection speed; and a molding control function for mold-clamping the mold clamping device by the molding clamping force, setting the molding injection pressure to a limit pressure, injecting and filling the mold by the fast injection condition from the start of injection, and filling the mold by the specific molding condition by the end of the fast injection section.
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