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[CN 201911103106.3] rotary forging hammer head for processing hollow motor shaft
[CN 201911103106.3] Title of a rotary forging hammer head for processing a hollow motor shaft: Application number of a rotary forging hammer head for processing a hollow motor shaft: CN 201911103106.3 Applicant: Wuhan University of Science and Technology Application Date: 2019-11-12 Patent Type: Invention Application The present invention proposes a rotary forging hammer head for processing a hollow motor shaft, including a hammer head body, on which a mounting part and a forging part integrated with the mounting part are provided, the top of the forging part is provided with a plurality of forging surfaces for forging the outer contour of the hollow motor shaft along the length direction of the hammer head body, the plurality of forging surfaces are arranged in steps along the length direction of the hammer head body, and the adjacent forging surfaces are transitioned by arc surfaces, wherein each forging surface is provided with a first arc surface and a second arc surface connected to each other, and the diameter of the second arc surface is equal to that of the blank forging, the diameter of the first circular arc surface is equal to the diameter of the corresponding section of the hollow motor shaft. The rotary forging hammer head disclosed by the invention for processing the hollow motor shaft can make the hollow motor shaft with complex external shape can be swaged through a process, and is also suitable for the rotary forging of various sizes of variable diameter hollow shaft. In the forging process, the "point-line-surface" criterion is followed to improve the accuracy of the forging surface.
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