Injection mould core for refrigerator fan frame
An injection mold and fan technology, which is applied to the field of injection mold cores for the outer frame of refrigerator fans, can solve the problems of difficult fusion and easy fracture of weld lines, and achieve the effects of improving quality, improving service life and reducing development costs.
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[0016] In order to make the technical means, innovative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0017] like figure 1 As shown, a refrigerator fan outer frame injection mold core, the refrigerator fan outer frame injection mold core contains three pin gates, respectively No. 1 pin gate 1, No. 2 pin gate 2 and No. 3 pin gate No. pin gate 3, the pin gate has two sizes of diameters, No. 1 pin gate 1 has a larger diameter and is alone on one side of the mold core, No. 2 pin gate and No. 3 pin gate The same net size, and smaller than the No. 1 pin gate size, distributed on the other side of the core.
[0018] The position of the pinpoint gate of the injection mold core of the refrigerator fan shell is determined as follows: the gate position that can cover the maximum product area within the maximum flow length / wall thickness ratio.
[0019]...
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