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    Machine for moulding under pressure metal connecting members of rotors of electric motors
    1.
    发明授权
    Machine for moulding under pressure metal connecting members of rotors of electric motors 失效
    电机转子金属连接件成型机

    公开(公告)号：US3608622A

    公开(公告)日：1971-09-28

    申请号：US3608622D

    申请日：1969-01-06

    申请人： CORPET LOUVET & CIE

    发明人： BACHELIER RENE GEORGES

    IPC分类号： B22D17/00 ,  B22D17/24 ,  B22D19/00

    CPC分类号： B22D17/24 ,  B22D17/00

    摘要： The invention provides a machine for moulding under pressure short-circuiting bars and rings of rotors of electric motors formed initially from a stack of magnetic sheets formed with connecting apertures, the machine having a rotatable carrier member fitted with two diametrically opposed sleeves each adapted to receive a stack of sheets, rotation of the carrier member repeatedly through 180* presenting one sleeve to a feed hopper for the stacks and the other to a pair of opposed moulding dies which, when pressed against the end faces of the sleeve, form with the sleeve a complete mould into which is injected under pressure liquid metal which passes into and through the connecting apertures in the stack and into recesses in the dies to form rings on the end faces of the stack continuing from the apertures to form with the stack an assembled rotor which is then removed from the sleeve.