Forging die for manufacturing high-precision micro-vehicle crank shafts and manufacturing method thereof
A high-precision, crankshaft technology, used in the manufacture of tools, forging/pressing/hammer devices, forging/pressing/hammering machinery, etc., can solve the problems of shortening the service life of the mold, increasing the production cost, lack of guiding mechanism, etc. Service life, production cost saving, high filling and fullness effect
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[0023] attached figure 1 It is the structural representation of the lower die of the present invention, with figure 2 to attach figure 1 Middle M-M sectional view (rotation) diagram, attached image 3 to attach figure 1 Middle A-A sectional view (rotation) diagram, attached Figure 4 to attach figure 1 Middle P-P sectional view, attached Figure 5 to attach figure 1 Middle Q-Q sectional view, attached Figure 6 to attach figure 1 Middle H-H sectional view, attached Figure 7 to attach figure 1 Middle C-C sectional view (rotation) diagram. As shown in the figure, the forging mold for manufacturing high-precision micro-car crankshaft of the present invention includes an upper mold 1, a lower mold 2 and a mold cavity 3 surrounded by the upper mold and the lower mold, and the lower mold 2 is located in the mold cavity 3 Guide grooves I are arranged axially on both sides, guide lugs I5 are arranged axially on both sides of the mold cavity on the upper mold 1 , and resis...
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