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Operational manner of two phaseless injection molding machine, in two phaseless injection molding machine operates the transport manner of plasticizing and the melting body the material

机译:两台无相注塑机的操作方式,在两台无相注塑机中操作增塑和熔融体物料的输送方式

摘要

PROBLEM TO BE SOLVED: To minimize a shear force to a melt so as to decrease a polymer decompressed product by providing an injection pot capacity substantially equal to the volume of the melt accommodated therein when a molten material is plasticized. ;SOLUTION: A granular plastic material 51 entering from a hopper 56 into a barrel 54 is transferred to a barrel head portion 61 at the front end portion of the barrel 54 by rotating a screw 50, which is then transferred to an injection pot 63. The rotational and the axial movements of the plasticization screw are then adjusted to the axial direction of an injection plunger 64 such that the rotational and axial speeds of the screw 50 are carefully controlled and the capacitance of the injection pot 63 is substantially equal to the volume of the melt accommodated therein. This permits the amount of the molten material to be transferred through a distribution valve 62 to the injection pot 63. Thus, since the injection plunger 64 is controlled such that the injection plunger 64 is returned by an injection piston, the amount of the shear force applied to the melt can be decreased.;COPYRIGHT: (C)1999,JPO
机译:解决的问题:通过提供基本上等于在熔融材料塑化时容纳在其中的熔体体积的注入罐容量,以使对熔体的剪切力最小化,从而减少聚合物减压产品。解决方案:从料斗56进入枪管54的粒状塑料材料51通过旋转螺杆50转移到枪管54前端部分的枪管头部61,然后被转移到注入罐63。然后,沿注射柱塞64的轴向方向调节增塑螺杆的旋转和轴向运动,从而小心地控制螺杆50的旋转和轴向速度,并且注射罐63的电容量基本上等于体积。容纳在其中的熔体的一部分。这允许一定量的熔融材料通过分配阀62转移到注入罐63。因此,由于控制注入柱塞64,使得注入柱塞64由注入活塞返回,因此剪切力的量应用于熔体的用量可以减少。;版权所有:(C)1999,日本特许厅

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