| 液压逻辑阀在国外主要用于冶金机械 |
| 添加时间：2022/2/18 16:46:29 浏览次数： |
| 液压逻辑阀在国外主要用于冶金机械、锻压机械及塑料成型机械。国内近年来在锻压机械和铸造机械上也开始应用。塑料注射机是用注射法使热塑性塑料、热固性塑料及其他材料成形的机械。现在大多数塑料注射机采用液压传动。塑料注射机中用液压传动的机构主要有合模机构、注射机构和注射部分移动机构等。 Hydraulic logic valve is mainly used in metallurgical machinery, forging machinery and plastic forming machinery abroad. In recent years, it has been used in forging and casting machinery. Plastic injection machine is a kind of machine which makes thermoplastic, thermosetting plastics and other materials into shape by injection. Now most plastic injection machines use hydraulic transmission. The hydraulic transmission mechanism in the plastic injection machine mainly includes the mold closing mechanism, the injection mechanism and the injection part moving mechanism. 合模机构的任务是闭合模具,在注射时使模具保持严密的闭合状态,在注射后开启模具,并顶出工件,有的还带有抽芯装置。注射机构的作用除了配河北立体车库 消防报警器塑料配件 电缆接地箱 电缆保护接地箱 塑料土工格栅 消弧线圈装置 料和使原料塑化外,主要是将塑化后的原料注射入模具型腔,使塑料成形。靠螺杆旋转将塑化后的原料推到螺杆前面的空腔,再以螺杆作活塞把原料射入模具型腔。螺杆的旋转靠液压马达实现,螺杆的注射动作由液压缸来完成。 The task of the mold closing mechanism is to close the mold, keep the mold tightly closed during the injection, open the mold after the injection, and eject the workpiece, some with core pulling device. The function of the injection mechanism is to inject the plasticized raw material into the mold cavity to make the plastic form, besides proportioning and plasticizing the raw material. The plasticized raw material is pushed to the cavity in front of the screw by the rotation of the screw, and then the raw material is injected into the mold cavity with the screw as the piston. The rotation of the screw is realized by the hydraulic motor, and the injection action of the screw is completed by the hydraulic cylinder |
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