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    • 1. 发明公开
    • PROCESS FOR PRODUCING MOTOR HOUSING BY USING TITANIUM METAL
    • EP3588752A1
    • 2020-01-01
    • EP17875064.2
    • 2017-10-23
    • Zhu, Wei
    • Zhu, Wei
    • H02K15/14
    • The present invention discloses a machining process for manufacturing a motor housing by using metal titanium, including the following machining steps: Calendar process is adopted, use stamping equipment to stamp the base of the titanium motor housing, apply lubricant on the surface of the die before stamping, and attach a lubricating film on the surface of metal titanium to be stamped; Calendar process is adopted, use stamping equipment to stamp the barrel-shaped titanium motor housing, apply lubricant on the surface of the die before stamping, and attach a lubricating film on the surface of metal titanium to be stamped, and after stamping, a barrel-shaped housing with a barrel depth to port diameter ratio of 1.2∼1.8:1 is obtained; Spray and cleanse the housing base obtained from stamping in S1 and the barrel-shaped motor housing obtained from stamping in S2; Assemble the housing base and the barrel-shaped housing obtained in S3 to form the motor housing product; Inspect the assembled motor housing obtained in S4.
    • 2. 发明公开
    • MOTOR HOUSING PRODUCED BY USING TITANIUM
    • EP3588747A1
    • 2020-01-01
    • EP17875065.9
    • 2017-10-23
    • Zhu, Wei
    • Zhu, Wei
    • H02K5/04H02K5/02
    • This invention discloses a motor housing manufactured by using metal titanium, the said motor housing is calendar formed by stamping process by using titanium, the said motor housing is of a barrel structure, the barrel wall and bottom are integrally stamped and formed, the other end of the barrel is provided with a barrel cover, rim of the barrel cover is embedded into the stepped groove on the inside of the barrel wall, and the barrel bottom and the barrel cover form a symmetrical structure, the motor housing is a thin-walled housing structure and the barrel wall is a circular bushing, the barrel bottom and barrel cover are respectively provided with two sections of outward protruding concentric bosses, the said barrel bottom and barrel cover are also respectively provided with shaft holes, and fillet connection is provided between the concentric bosses as well as between the concentric boss and the barrel wall, a pair of center symmetrical electrode lead-out holes is provided at the said barrel bottom or barrel cover, a through window is provided in the barrel wall near the said electrode lead-out hole, the barrel cover is connected with the barrel wall through a welded or riveted structure. The said motor housing is a titanium housing that can be manufactured by adopting stamping process, which is characterized by simple structure, light weight, high strength and corrosion resistance.