Encapsulated injected gear, injection process and mold
A technology of overmolding and gears, which is applied in the direction of belts/chains/gears, components with teeth, portable lifting devices, etc., which can solve the concentricity deviation of the gear shaft and the gear, affect the position accuracy of the gear shaft, and fail to meet the use requirements and other problems, to achieve stable transmission, excellent effect, and solve the effect of shrinkage deformation
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] Such as figure 1 As shown, it is a structural diagram of an overmolded gear provided by an embodiment of the present invention, including: a gear shaft 1, a gear inner core 2 arranged on the gear shaft 1, and a gear 3 molded on the gear inner core 2 by overmolding .
[0033] The gear shaft 1, the metal inner core 2, and the gear 3 are integrated into one; to avoid the entire whole being made by injection molding, the gear shaft 1 and the metal inner co...
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