公开(公告)号：US09543063B2

公开(公告)日：2017-01-10

申请号：US14075801

申请日：2013-11-08

Applicant: SHENYANG GENERAL MAGNETIC CO., LTD

Inventor： Xiaodong Chen ,  Baoyu Sun

IPC: H01F1/053 ,  H01F1/057 ,  H01F1/055

CPC classification number: H01F1/0573 ,  H01F1/0553

Abstract: A continuous hydrogen pulverization method of a rare earth permanent magnetic alloy includes: providing a hydrogen adsorption room, a heating dehydrogenation room and a cooling room in series, applying hydrogen adsorption, heating dehydrogenation and cooling on a rare earth permanent magnetic alloy in the production device at the same time, wherein collecting and storing under an inert protection atmosphere can also be provided. Continuous production is provided under vacuum and the inert protection atmosphere in such a manner that an oxygen content of the pulverized powder is low and a proportion of single crystal in the powder is high.

Abstract translation: 稀土永磁合金的连续氢粉碎方法包括：提供氢吸附室，加热脱氢室和串联的冷却室，在制造装置中对稀土永磁合金进行氢吸附，加热脱氢和冷却 同时，还可以提供在惰性保护气氛下的收集和储存。 在真空和惰性保护气氛下连续生产粉碎粉末的氧含量低，粉末中单晶的比例高。

公开(公告)号：US20150194259A1

公开(公告)日：2015-07-09

申请号：US14662235

申请日：2015-03-18

Applicant: SHENYANG GENERAL MAGNETIC CO., LTD.

Inventor： Baoyu Sun ,  Xiaodong Chen

IPC: H01F41/00 ,  H01F1/057 ,  B22F3/12 ,  B22F3/04 ,  B22F3/26 ,  B22F7/08 ,  B22F7/00 ,  B22F9/08 ,  C23C14/35 ,  C23C14/16 ,  C23C14/08 ,  C23C28/02 ,  C23C28/04 ,  C23C28/00 ,  H01F41/02

CPC classification number: C23C28/3455 ,  B22F3/04 ,  B22F3/12 ,  B22F3/24 ,  B22F7/008 ,  B22F7/08 ,  B22F9/08 ,  B22F2003/242 ,  B22F2998/10 ,  B22F2999/00 ,  C22C2202/02 ,  C23C14/022 ,  C23C14/028 ,  C23C14/081 ,  C23C14/083 ,  C23C14/086 ,  C23C14/165 ,  C23C14/223 ,  C23C28/021 ,  C23C28/321 ,  C23C28/324 ,  C23C28/345 ,  H01F41/026 ,  B22F9/023 ,  B22F2009/044 ,  B22F1/0003 ,  B22F3/02 ,  B22F3/10 ,  B22F2003/248 ,  B22F3/16 ,  B22F2202/05 ,  B22F2201/02

Abstract: A method for manufacturing a NdFeB rare earth permanent magnetic device with composite plating includes steps of: firstly melting alloy, casting the alloy in a melted state onto a rotation copper roller with a water cooling function, so as to be cooled for forming alloy flakes; hydrogen decrepitating; mixing after hydrogen decrepitating; jet milling after mixing; mixing under nitrogen protection before molding in a nitrogen protection magnetic field pressing machine, and then packing in a protection tank before being moved out of the protection tank and isostatic pressing; sintering in a sintering device and aging for forming a NdFeB rare earth permanent magnet; machining for forming a NdFeB rare earth permanent magnetic device; and plating the NdFeB rare earth permanent magnetic device, wherein three layers of plated films are formed.

Abstract translation: 制造具有复合镀覆的NdFeB稀土永磁装置的方法包括以下步骤：首先熔化合金，将熔融状态的合金浇铸到具有水冷功能的旋转铜辊上，以冷却形成合金薄片; 氢气破裂 氢气破裂后混合; 混合后喷射研磨; 在氮保护磁场冲压机成型之前，在氮气保护下混合，然后在保护罐中移出保护罐并进行等静压之前包装在保护罐中; 在烧结装置中烧结并老化以形成NdFeB稀土永磁体; 用于形成NdFeB稀土永磁装置的加工; 并对NdFeB稀土永磁体进行电镀，形成三层镀膜。

公开(公告)号：US20140348690A1

公开(公告)日：2014-11-27

申请号：US14367897

申请日：2013-02-05

Applicant: SHENYANG GENERAL MAGNETIC CO., LTD.

Inventor： Xiaodong Chen ,  Baoyu Sun

IPC: H01F41/02

CPC classification number: H01F41/0266 ,  B22F3/003 ,  C22C2202/02 ,  F27B17/02 ,  F27B21/00 ,  F27D7/06

Abstract: A method for flexibly sintering rare earth permanent magnetic alloy comprises: (1) weighing fine powder of rare earth permanent magnetic alloy, loading the fine powder in moulds, and orientedly compacting the fine powder in a press machine and in inert atmosphere to obtain blanks and loading the blanks into charging boxes; (2) opening the two isolating valves connected with each other; wherein after a first rolling wheel transmission in the second conveying vehicle transfers the charging tray into the first chamber of the glove box, the two isolating valves are closed, and the second conveying vehicle leaves; (3) locking two matching flanges of the two isolating valves tightly; (4) locking matching flanges tightly; and (5) processing the blanks with heating and heat preservation according to a preset process curve; wherein the blanks are sintered at a highest temperature of 1200° C.

Abstract translation: 一种柔性烧结稀土永磁合金的方法包括：（1）称量稀土永磁合金细粉，将细粉加载在模具中，并在压机和惰性气氛中定向压实细粉，得到坯料和 将坯料装入充电箱; （2）打开两个彼此连接的隔离阀; 其特征在于，在所述第二输送车辆中的第一滚轮传动后，将所述充电托盘输送到所述手套箱的第一室内，所述两个隔离阀关闭，所述第二输送车辆离开; （3）紧紧地锁住两个隔离阀的两个匹配法兰; （4）紧紧配合法兰; （5）按照预设的工艺曲线加热保温坯料; 其中坯料在1200℃的最高温度下烧结

公开(公告)号：US09938625B2

公开(公告)日：2018-04-10

申请号：US14662235

申请日：2015-03-18

Applicant: SHENYANG GENERAL MAGNETIC CO., LTD.

Inventor： Baoyu Sun ,  Xiaodong Chen

IPC: C23C28/00 ,  C23C28/02 ,  C23C14/35 ,  B22F3/12 ,  B22F3/04 ,  B22F7/08 ,  B22F7/00 ,  B22F9/08 ,  C23C14/08 ,  C23C14/02 ,  C23C14/16 ,  C23C14/22 ,  B22F3/24 ,  H01F41/02

CPC classification number: C23C28/3455 ,  B22F3/04 ,  B22F3/12 ,  B22F3/24 ,  B22F7/008 ,  B22F7/08 ,  B22F9/08 ,  B22F2003/242 ,  B22F2998/10 ,  B22F2999/00 ,  C22C2202/02 ,  C23C14/022 ,  C23C14/028 ,  C23C14/081 ,  C23C14/083 ,  C23C14/086 ,  C23C14/165 ,  C23C14/223 ,  C23C28/021 ,  C23C28/321 ,  C23C28/324 ,  C23C28/345 ,  H01F41/026 ,  B22F9/023 ,  B22F2009/044 ,  B22F1/0003 ,  B22F3/02 ,  B22F3/10 ,  B22F2003/248 ,  B22F3/16 ,  B22F2202/05 ,  B22F2201/02

Abstract: A method for manufacturing a NdFeB rare earth permanent magnetic device with composite plating includes steps of: firstly melting alloy, casting the alloy in a melted state onto a rotation copper roller with a water cooling function, so as to be cooled for forming alloy flakes; hydrogen decrepitating; mixing after hydrogen decrepitating; jet milling after mixing; mixing under nitrogen protection before molding in a nitrogen protection magnetic field pressing machine, and then packing in a protection tank before being moved out of the protection tank and isostatic pressing; sintering in a sintering device and aging for forming a NdFeB rare earth permanent magnet; machining for forming a NdFeB rare earth permanent magnetic device; and plating the NdFeB rare earth permanent magnetic device, wherein three layers of plated films are formed.

公开(公告)号：US20140127072A1

公开(公告)日：2014-05-08

申请号：US14075732

申请日：2013-11-08

Applicant: SHENYANG GENERAL MAGNETIC CO., LTD

Inventor： Xiaodong Chen ,  Baoyu Sun

IPC: H01F41/02

CPC classification number: H01F1/0577

Abstract: A continuous sintering method for rare earth permanent magnetic alloy comprises: connecting a preparation chamber, a glove chamber and a sealed transmission chamber, a sealed chamber, a charging chamber, a preheating chamber, a heating and de-airing chamber, a sintering chamber and a cooling chamber one after another. A press formed blank of rare earth permanent magnetic alloy powder is transmitted under oxygen free condition, and processed with heating and de-airing, sintering and cooling. The preparation chamber, the glove chamber and the sealed transmission chamber are transmitted by bottom rollers, transmissions of other chambers are provided on a top portion of each chamber, and conveyed by roller rails. The rollers of the charging rack are suspended on rails of the transmissions. The drawer model charging rack is capable of loading multiple charging box.

Abstract translation: 稀土永磁合金的连续烧结方法包括：将准备室，手套室和密封的传输室连接，密封室，充电室，预热室，加热和除气室，烧结室和 一个冷却室一个接一个。 稀土永磁合金粉末压坯成型无氧条件下传输，加热，脱气，烧结和冷却处理。 准备室，手套室和密封的传输室由底辊传递，其他室的传输设置在每个室的顶部，并由辊轨传送。 充电架的滚轮悬挂在变速箱的导轨上。 抽屉式充电架能够装载多个充电箱。

公开(公告)号：US20140123811A1

公开(公告)日：2014-05-08

申请号：US14075801

申请日：2013-11-08

Applicant: SHENYANG GENERAL MAGNETIC CO., LTD

Inventor： Xiaodong Chen ,  Baoyu Sun

IPC: H01F41/00

CPC classification number: H01F1/0573 ,  H01F1/0553

Abstract: A continuous hydrogen pulverization method of a rare earth permanent magnetic alloy includes: providing a hydrogen adsorption room, a heating dehydrogenation room and a cooling room in series, applying hydrogen adsorption, heating dehydrogenation and cooling on a rare earth permanent magnetic alloy in the production device at the same time, wherein collecting and storing under an inert protection atmosphere can also be provided. Continuous production is provided under vacuum and the inert protection atmosphere in such a manner that an oxygen content of the pulverized powder is low and a proportion of single crystal in the powder is high.

Abstract translation: 稀土永磁合金的连续氢粉碎方法包括：提供氢吸附室，加热脱氢室和串联的冷却室，在制造装置中对稀土永磁合金进行氢吸附，加热脱氢和冷却 同时，还可以提供在惰性保护气氛下的收集和储存。 在真空和惰性保护气氛下连续生产粉碎粉末的氧含量低，粉末中单晶的比例高。