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Dongguan Chengda Machinery Parts Co., Ltd. Die Casting Processing


The advantages of die casting processing include that castings have good dimensional accuracy. Usually this depends on the casting material. The typical value is 0.1 mm for the initial 2.5 cm size, and the error increases by 0.002 mm for every additional cm. Compared with other casting processes, its casting surface is smooth, and the fillet radius is about 1-2.5 microns. Compared to sandbox or permanent mold casting, castings with a wall thickness of about 0.75 mm can be produced. It can directly cast internal structures, such as wire sleeves, heating elements, and high-strength bearing surfaces. Other advantages include its ability to reduce or avoid secondary machining, fast production speed, casting tensile strength of up to 415 MPa, and the ability to cast high-fluidity metals.

Processing process of die-casting accessories: The clamping mechanism drives the die-casting mold to close and lock the mold to ensure that the mold parting surface will not expand during the injection filling process. The injection mechanism pushes and compacts the inside at a specified speed The molten metal flows through the runner and inner gate in the mold to fill the mold cavity. The hydraulic system maintains a certain pressure to transmit to the solidified molten metal, die-casting molding, and the injection head returns to reset.

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