METHOD FOR FORMING ROTATION TRANSFERRING DEVICE

Japanese Patent JP2017024031

A

PROBLEM TO BE SOLVED: To provide a method for forming rotation transferring device without relying on a die cast.SOLUTION: Molding includes a first step of fixing a disc for forming a hole in the center, to a first metal mold arranged on the upper-lower sides, a second step of molding first and second intermediate shape parts along the first metal mold while rotating the first metal mold, a third step of arranging a second metal mold for forming a first tooth-shape molding part in an inside tooth shape of a first part, on the inside of the first intermediate shape part molded by the second step, a fourth step of molding as the first part while molding a tooth shape along the first tooth-shape molding part of the second metal mold by pressurizing-molding a roller on the outside of the first intermediate shape part, a fifth step of arranging a third metal mold for forming a second tooth-shape molding part in an inside tooth-shape of a second part, on the inside of the second intermediate shape part molded by the second step and a sixth step of molding as the second part while molding a tooth-shape along the second tooth-shape molding part of the third metal mold by pressurizing-molding the roller on the outside of the second intermediate shape part.SELECTED DRAWING: Figure 2

KIM BONGJOON
CHA DALJOON
BYUN WONYONG
KIM HYEONG-SOO
LEE SEONG-MIN
KWON YONGNAM

JP2015143351A

February 02, 2017

July 17, 2015

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KYUNG CHANG IND CORP

B21H1/04; B21H5/00; F16D1/02

Kenji Sugimura
Tatsuya Tanaka
Kenichiro Kataoka

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