? What is the method of processing the gearbox? - Yancheng XINLAN Precision Machinery Co., Ltd.

Yancheng XINLAN Precision Machinery Co., Ltd.

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What is the method of processing the gearbox?

Source: http://www.agricultural-gearbox.top/news597977.html时间:2021-04-23 14:56:00

Machining gearboxThe gearbox includes a first support cylinder and a second support cylinder inclined with respect to the first support cylinder, the method includes the following steps: preparing a fixed mold and a movable mold, the movable mold It can be moved between an open position and a closed position. In the closed position, a cavity is formed between the fixed mold and the movable mold. The cavity includes a first part for molding the first support cylinder and a mold. Making the second part of the second support cylinder, the second part protruding from the first part obliquely; supporting the first sliding core, the second sliding core and the third sliding core, the first sliding core There is a protrusion for forming the inner circumference of the first support cylinder, the second sliding core has a pin, and the third sliding core has a protrusion for forming the inner circumference of the second support cylinder , So that the third sliding core can slide relative to the movable mold, so that when the movable mold is moved to the closed position, the protruding portion of the first sliding core is completely inserted into the In the first part of the cavity, the pin of the second sliding core is completely inserted into the first part from the other end to abut the end of the protruding part of the first sliding core, and The protruding portion of the third sliding core is completely inserted into the second part of the cavity, thereby being located on the inner wall of the cavity and the protruding portions of the first and third sliding cores A space is formed between them; the movable mold is moved to the open position; the outer circumference of the protruding part near the distal end and the proximal end of the first sliding core is respectively formed with a cylindrical second calibrated position One and a second housing mounting surface, the diameter of the second housing mounting surface is larger than the diameter of the first housing mounting surface; a cylindrical third is formed on the outer periphery of the protrusion of the third sliding core Shell mounting surface; On the first to third shell mounting surfaces, a metal cylindrical bearing shell is installed, one end of the bearing shell has a radially inwardly extending flange, and the other end has a radially outwardly extending centrifugal projection So that the radially inwardly extending flange is located near the distal end of each protrusion; moving the movable mold to the closed position; and injecting molten resin into the space under pressure.


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