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公开(公告)号：US20170144346A1
公开(公告)日：2017-05-25
申请号：US15425097
申请日：2017-02-06
CPC分类号： B29C45/1701 , B29C45/14336 , B29C45/2616 , B29K2505/00 , B29K2995/0008 , B29L2031/749 , H02K15/03 , Y10T29/49012 , Y10T29/53143
摘要： An apparatus or assembly for forming injection molded magnets in permanent magnet rotors or laminations for such rotors. The assembly includes a plurality of platens defining an axial boundary of a die cavity and a plurality of support shoes that are radially moveable between a closed position defining a radial boundary of the die cavity, and an open position creating a gap between the rotor core and the plurality of support shoes. The assembly has an injection system for filling at least one of the plurality of voids of the rotor core with a magnetic slurry, and a plurality of alignment magnets configured to magnetically align the magnetic slurry.
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公开(公告)号：US10207439B2
公开(公告)日：2019-02-19
申请号：US15425097
申请日：2017-02-06
摘要： An apparatus or assembly for forming injection molded magnets in permanent magnet rotors or laminations for such rotors. The assembly includes a plurality of platens defining an axial boundary of a die cavity and a plurality of support shoes that are radially moveable between a closed position defining a radial boundary of the die cavity, and an open position creating a gap between the rotor core and the plurality of support shoes. The assembly has an injection system for filling at least one of the plurality of voids of the rotor core with a magnetic slurry, and a plurality of alignment magnets configured to magnetically align the magnetic slurry.
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公开(公告)号：US09601976B2
公开(公告)日：2017-03-21
申请号：US14251688
申请日：2014-04-14
CPC分类号： B29C45/1701 , B29C45/14336 , B29C45/2616 , B29K2505/00 , B29K2995/0008 , B29L2031/749 , H02K15/03 , Y10T29/49012 , Y10T29/53143
摘要： A method and assembly for forming a rotor include forming a rotor core having a plurality of voids and placing the formed rotor core into a die cavity. The method includes moving a plurality of support shoes to define an outer diameter of the die cavity, and injecting at least one of the plurality of voids with a magnetic slurry. At least one permanent magnet is formed from the magnetic slurry by applying pressure to the rotor core and the magnetic slurry within the die cavity and by applying a magnetic field to align the magnetic slurry. After forming the at least one permanent magnet within the rotor core, the plurality of support shoes are retracted and the rotor core removed with the at least one permanent magnet formed therein.
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公开(公告)号：US20140338184A1
公开(公告)日：2014-11-20
申请号：US14251688
申请日：2014-04-14
IPC分类号： H02K15/03
CPC分类号： B29C45/1701 , B29C45/14336 , B29C45/2616 , B29K2505/00 , B29K2995/0008 , B29L2031/749 , H02K15/03 , Y10T29/49012 , Y10T29/53143
摘要： A method and assembly for forming a rotor include forming a rotor core having a plurality of voids and placing the formed rotor core into a die cavity. The method includes moving a plurality of support shoes to define an outer diameter of the die cavity, and injecting at least one of the plurality of voids with a magnetic slurry. At least one permanent magnet is formed from the magnetic slurry by applying pressure to the rotor core and the magnetic slurry within the die cavity and by applying a magnetic field to align the magnetic slurry. After forming the at least one permanent magnet within the rotor core, the plurality of support shoes are retracted and the rotor core removed with the at least one permanent magnet formed therein.
摘要翻译： 用于形成转子的方法和组件包括形成具有多个空隙的转子芯，并将形成的转子芯放置在模腔中。 该方法包括移动多个支撑鞋以限定模腔的外径，以及用磁性浆料注入多个空隙中的至少一个。 通过向模腔内的转子芯和磁性浆液施加压力并通过施加磁场以对准磁性浆料，从磁性浆料形成至少一个永磁体。 在转子芯体中形成至少一个永磁体之后，多个支撑靴被缩回，并且其中形成有至少一个永磁体而移除转子芯。
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