| 摘要 |
PURPOSE: A manufacturing apparatus for a shaft is provided to shape a hexagonal rod at one time by separating and attaching a mold frame from or to a mold plate of the frame in a cartridge type method. CONSTITUTION: A manufacturing apparatus for a shaft comprises a frame(10), a hydraulic cylinder(20), a guide roll(40), a mold frame(50), a forming apparatus(60), a gear-box(70). The cylinder rod(22) of the hydraulic cylinder is transferred. The guide roll transfers a shaft(90). The three pairs of mold frames is installed to the mold plate. The mold frame has a through-hole in the frame center part. Both ends of ∨ groove of the forming roll of the molding apparatus adheres closely to the inner surface of the mold frame to form a hexagon. The molding apparatus is rotated by a shaft. The driving shaft of gear-box is connected to the shaft and universal joint of the first molding apparatus to be controlled by the motor(71).
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