Automobile gearbox shell body pressure casting technology
A technology of automobile transmission and die-casting technology, which is applied in the field of die-casting technology, can solve the problems of being unsuitable for automobile lightweight, low product qualification rate, and harsh production environment, and achieve the effects of improving the production environment, beautiful appearance, and saving materials
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[0024] Such as figure 1 As shown, the present invention provides a die casting process for an automobile transmission housing, which includes the following steps:
[0025] Step 1: Preparation before die-casting, including raw material inspection, storage, protection, smelting and delivery of molten aluminum;
[0026] Step 2: Die-casting process, that is, spray a layer of release agent on the surface of the die-casting mold; then insert the core-pulling, the order of core-pulling insertion is: block → front slider 2 and rear slider 4 → left slider 1 and right Slider 3; Next is the mold closing; after the mold is closed, the injection starts; after the injection is completed, the mold opens; after the mold is opened, the core is pulled out, and the order of core pulling is: left slider 1 and right Slide block 3 → front slide block 2 and rear slide block 4; finally take out the blank, and use the ejector to eject the movable block. The range of the system pressure in this step is: 14...
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