发明名称 |
Method and apparatus for sintering NdFeB Rare Earth Permanent Magnet |
摘要 |
A method for sintering NdFeB rare earth permanent magnet includes steps of: providing a continuous vacuum sintering furnace to sinter; loading a sintering box with compacted magnet blocks onto a loading frame; while driving by a transmission apparatus, sending the loading frame orderly through a preparation chamber, a pre-heating and degreasing chamber, a first degassing chamber, a second degassing chamber, a pre-sintering chamber, a sintering chamber, an aging chamber and a cooling chamber of the continuous vacuum sintering furnace, respectively for pre-heating to remove organic impurities, and further for heating to dehydrogenate and degas, pre-sintering, sintering, aging and cooling. A continuous vacuum sintering apparatus is also provided. |
申请公布号 |
US2015243434(A1) |
申请公布日期 |
2015.08.27 |
申请号 |
US201514708497 |
申请日期 |
2015.05.11 |
申请人 |
SHENYANG GENERAL MAGNETIC CO., LTD. |
发明人 |
Sun Baoyu |
分类号 |
H01F41/02;H01F1/053;H01F1/057;B22F9/04;B22F3/24;B22F3/00;B22F5/00;H01F1/08;B22F3/12 |
主分类号 |
H01F41/02 |
代理机构 |
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代理人 |
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主权项 |
1. A method for sintering NdFeB rare earth permanent magnet comprising steps of:
providing a continuous vacuum sintering furnace to sinter; loading a sintering box with compacted magnet blocks onto a loading frame; while driving by a transmission apparatus, sending the loading frame orderly through a preparation chamber, a pre-heating and degreasing chamber, a first degassing chamber, a second degassing chamber, a pre-sintering chamber, a sintering chamber, an aging chamber and a cooling chamber of the continuous vacuum sintering furnace, respectively for pre-heating to remove organic impurities, and further for heating to dehydrogenate and degas, pre-sintering, sintering, aging and cooling. |
地址 |
Shenyang CN |