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1. 发明专利

JP2011129871A Method of manufacturing rare earth sintered magnet, and coating device 有权
标题翻译：制造稀土烧结磁体的方法和涂层装置
公开(公告)号：JP2011129871A
公开(公告)日：2011-06-30
申请号：JP2010186589
申请日：2010-08-23
申请人： Tdk Corp , Tdk株式会社
发明人： SASAKI HIDEKI , KURAHASHI TAKAHIDE , MARO HITOSHI , MORIMOTO KEIICHI , ENDO SEIICHI , BABA FUMITAKA , TANAKA SATORU
IPC分类号： H01F41/02 , B05B13/02 , B05B15/04 , B05D5/12 , B05D7/24 , B22F3/24 , C22C38/00 , H01F1/053 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a rare earth sintered magnet in which the surface of a sintered body can be efficiently and uniformly coated with a rare earth compound. SOLUTION: The method of manufacturing the rare earth sintered magnet includes: a coating process of coating the sintered body with slurry including the rare earth compound; a rotating process of holding one end in the longitudinal directional of the sintered body and the other end on the opposite side to the one end, and rotating the sintered body on a straight line which is parallel to the longitudinal direction of the sintered body and passes the sintered body, as an axis of rotation; a drying process of coating the sintered body with the slurry and drying the slurry while rotating the sintered body; and a heat treatment process of heat-treating the sintered body having the slurry dried. In the coating process, the slurry is supplied to the sintered body from a direction orthogonal to the axis of rotation while the sintered body is rotated to coat the sintered body with the slurry. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造稀土烧结磁体的方法，其中可以用稀土化合物有效均匀地涂覆烧结体的表面。解决方案：制造稀土烧结磁体的方法包括：用包括稀土化合物的浆料涂覆烧结体的涂布工艺; 将烧结体的长度方向的一端保持一端，将另一端与该端部的另一端相反的旋转工序，将该烧结体旋转在与烧结体的长度方向平行的直线上并通过烧结体作为旋转轴; 将烧结体用浆料进行涂布并在烧结体旋转的同时进行干燥的干燥工序; 以及将具有浆料干燥的烧结体进行热处理的热处理工艺。在涂布过程中，将浆料从与旋转轴线正交的方向供给到烧结体，同时使烧结体旋转以用浆料涂覆烧结体。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2008243978A Manufacturing method of magnet 有权
标题翻译：磁铁制造方法
公开(公告)号：JP2008243978A
公开(公告)日：2008-10-09
申请号：JP2007079802
申请日：2007-03-26
申请人： Tdk Corp , Tdk株式会社
发明人： SASAKI HIDEKI , KURAHASHI TAKAHIDE , MARO HITOSHI , MORIMOTO KEIICHI , ENDO SHUNEI , TODA KAZUSHIGE , KUNIYOSHI YOICHI
IPC分类号： H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a magnet capable of reducing variations in the weight of the magnet to be obtained. SOLUTION: The manufacturing method of a magnet has processes of: supplying slurry 2 that contains magnetic powder and solvents and is accumulated in a first tank 4 to a second tank 20; supplying the slurry 2 in the second tank 20 into a molding machine 38 by a supply apparatus 30; forming a forming body by performing the compression molding of the slurry 2 supplied into the molding machine 38 by the molding machine 38; and forming the magnet by baking the forming body. The amount of slurry 2 in the second tank 20 is kept within a fixed range. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够减少要获得的磁体重量变化的磁体的制造方法。解决方案：磁体的制造方法具有以下处理：将包含磁性粉末和溶剂的浆料2供给到第一罐4中并积蓄到第二罐20中; 通过供给装置30将第二罐20中的浆料2供给到成型机38中; 通过由成形机38对供给到成形机38的浆料2进行压缩成型来形成成形体; 并通过烘烤成形体来形成磁体。第二罐20中的浆料2的量保持在一定的范围内。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2008240027A Vessel for firing, and method for producing magnet 有权
标题翻译：用于燃烧的船舶，以及用于生产磁铁的方法
公开(公告)号：JP2008240027A
公开(公告)日：2008-10-09
申请号：JP2007079441
申请日：2007-03-26
申请人： Tdk Corp , Tdk株式会社
发明人： KURAHASHI TAKAHIDE , SASAKI HIDEKI , MARO HITOSHI , KITAMURA KENICHI
IPC分类号： B22F3/10 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a vessel for firing capable of giving both of an environment suitable for removing organic matter from the body to be fired including organic matter and an environment suitable for the firing of the body to be fired, and to provide a method for producing a magnet capable of obtaining a magnet having excellent magnetic properties using the vessel for firing with high productivity.
SOLUTION: The vessel 1 for firing comprises: a rectangular bottom part 2 having short sides and long sides; side wall parts 3a, 3b, 3c, 3d rising from the bottom part and opening to the upper part. The bottom part 2 has: a mounting face 4 mounted with the body to be fired; at least a pair of through holes 10 leading from the mounting face 4 to the bottom face on the side opposite to the mounting face 4 in the bottom part 2. The pair of through holes 10 are respectively provided in such a manner that the openings on the bottom face side are arranged to the long side directions of the bottom part 2 at intervals by the length of the short sides of the bottom part 2 or above, and the side wall parts 3c, 3d have rising parts 5 elongating from the side wall parts and confronted to the openings on the bottom face sides of the through holes 10 in a view from the upper part.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于焙烧的容器，其能够赋予包括有机物质在内的适合于从被烧结体中除去有机物质的环境和适于烧制待烧烧的物体的环境，以及提供一种能够以高生产率使用该烧结容器获得具有优异磁性的磁体的磁体的制造方法。解决方案：用于焙烧的容器1包括：具有短边和长边的矩形底部2; 侧壁部3a，3b，3c，3d从底部上升到上部。底部2具有：安装面4，其安装有要被烧制的主体; 至少一对通孔10从安装面4通向底部2的与安装面4相反的一侧的底面。该对通孔10分别设置成使开口底面部分2的底面部分2的短边长度设置在底部2的长边方向上，并且侧壁部分3c，3d具有从侧壁伸长的上升部分5 并且从上部观察到面对通孔10的底面侧的开口。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2011129648A Method of manufacturing rare earth sintered magnet, and coating device 有权
标题翻译：制造稀土烧结磁体的方法和涂层装置
公开(公告)号：JP2011129648A
公开(公告)日：2011-06-30
申请号：JP2009285558
申请日：2009-12-16
申请人： Tdk Corp , Tdk株式会社
发明人： SASAKI HIDEKI , KURAHASHI TAKAHIDE , MARO HITOSHI , MORIMOTO KEIICHI , ENDO SEIICHI , BABA FUMITAKA , TANAKA SATORU
IPC分类号： H01F41/02 , H01F1/053 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a rare earth sintered magnet in which a sintered body can have its surface coated efficiently and uniformly with a rare earth compound. SOLUTION: The method of manufacturing the rare earth sintered magnet includes a coating process of coating the sintered body with slurry including the rare earth compound, a rotating process of rotating the sintered body, a drying process of drying the slurry while rotating the sintered body which has been coated with the slurry and begins to be rotated, and a heat treating process of heat-treating the sintered body with the slurry dried. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种制造稀土烧结磁体的方法，其中烧结体可以用稀土化合物有效且均匀地进行表面涂覆。解决方案：制造稀土烧结磁体的方法包括：用包括稀土化合物的浆料涂覆烧结体的涂布方法，旋转烧结体的旋转方法，在旋转时干燥浆料的干燥过程已经涂覆有浆料并开始旋转的烧结体和将浆料干燥的烧结体进行热处理的热处理工艺。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2009206511A Method of manufacturing rear earth sintered magnet 有权
标题翻译：制造后置烧结磁铁的方法
公开(公告)号：JP2009206511A
公开(公告)日：2009-09-10
申请号：JP2009018572
申请日：2009-01-29
申请人： Tdk Corp , Tdk株式会社
发明人： KURAHASHI TAKAHIDE , SASAKI HIDEKI , MARO HITOSHI , SAKAMOTO TOKUJI , OTSUKA KIWA , KUNIYOSHI YOICHI
IPC分类号： H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a rare earth sintered magnet, enhancing a residual magnetic flux density, and improving a removability of solvent in wet press forming, to improve productivity and economic efficiency. SOLUTION: The method of manufacturing a rare earth sintered magnet includes steps of: feeding slurry which includes rare earth magnetic powder and solvent, into a cavity of a forming machine and applying a static magnetic field to the slurry in a cavity in a first direction (a first step of applying a static magnetic field S14a); and applying a static magnetic field in a second direction differing from the first direction (a second step of applying a static magnetic field S14b), and then pressure-forming the slurry under the state of applying a constant static magnetic field (a step of wet forming S14). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：为了提供稀土烧结磁体的制造方法，提高残留磁通密度，提高湿式成形时的溶剂的除去性，提高生产率和经济性。解决方案：制造稀土烧结磁体的方法包括以下步骤：将包含稀土磁性粉末和溶剂的浆料进料到成形机的空腔中，并将静态磁场施加到空腔中的浆料中第一方向（施加静磁场S14a的第一步骤）; 并且在与第一方向不同的第二方向施加静磁场（施加静磁场S14b的第二步骤），然后在施加恒定静磁场的状态下（湿度步骤）对浆料进行加压成形形成S14）。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008251910A Manufacturing method of magnet 有权
标题翻译：磁铁制造方法
公开(公告)号：JP2008251910A
公开(公告)日：2008-10-16
申请号：JP2007092430
申请日：2007-03-30
申请人： Tdk Corp , Tdk株式会社
发明人： SASAKI HIDEKI , KURAHASHI TAKAHIDE , MARO HITOSHI , MORIMOTO KEIICHI , ENDO SHUNEI
IPC分类号： H01F41/02 , B22F3/02 , B22F3/22 , C22C38/00 , H01F1/053 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a magnet, which fully improves the magnetic characteristics of an obtained magnet. SOLUTION: The manufacturing method of a magnet includes: a kneading process for obtaining a kneaded matter by kneading the raw material powder of the magnet with a solvent; a dilution process for obtaining slurry by diluting the kneaded matter; a formation process for obtaining a forming body by forming at least one portion of slurry while applying an orientation magnetic field; and a baking process for baking the forming body. The manufacturing method of a magnet includes a process for reducing pressure in the slurry. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种完全改善所获得的磁体的磁特性的磁体的制造方法。解决方案：磁体的制造方法包括：通过将磁体的原料粉末与溶剂混合来获得捏合物的捏合工序; 通过稀释捏合物获得浆料的稀释方法; 用于通过在施加取向磁场的同时形成浆料的至少一部分来获得成形体的形成方法; 以及烘烤成形体的烘烤工序。磁体的制造方法包括降低浆料中的压力的方法。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2009200186A Method of manufacturing sintered magnet 有权
标题翻译：制造烧结磁体的方法
公开(公告)号：JP2009200186A
公开(公告)日：2009-09-03
申请号：JP2008039424
申请日：2008-02-20
申请人： Tdk Corp , Tdk株式会社
发明人： SAKAMOTO TOKUJI , SASAKI HIDEKI , MARO HITOSHI , KURAHASHI TAKAHIDE
IPC分类号： H01F41/02 , B22F1/00 , B22F3/00 , B22F3/02 , C22C33/02 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a sintered magnet which excels in a productivity and an economical efficiency and raises a remanent magnetic flux density.
SOLUTION: The method of manufacturing the sintered magnet includes the steps of: producing slurry containing magnetic powder whose mean particle diameter is 1 to 10 μm and solvent; processing the slurry with a high pressure homogenizer; carrying out a pressure forming of the slurry in the state where a magnetic field is impressed; deoiling an obtained formed object; and sintering the formed object. In the case of the processing by such a high pressure homogenizer, it is desirable to use the high pressure homogenizer whose processing pressure is 20 to 500 MPa. Further, prior to the processing by the high pressure homogenizer, it is desirable to process the slurry with a bead mill. Moreover, in the case of such a bead mill processing, it is desirable to use a bead whose diameter is 0.01 to 2.0 mm.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造生产率高，经济效益好的烧结磁体的制造方法，提高残留的磁通密度。解决方案：制造烧结磁体的方法包括以下步骤：制备平均粒径为1至10μm的含有磁粉的溶剂和溶剂; 用高压均化器处理浆料; 在施加磁场的状态下进行浆料的压力成形; 去除所获得的成形物体; 并烧结形成的物体。在通过这种高压均化器进行加工的情况下，优选使用处理压力为20〜500MPa的高压均质机。此外，在通过高压均化器处理之前，期望用珠磨机处理浆料。此外，在这样的珠磨机加工的情况下，优选使用直径为0.01〜2.0mm的珠粒。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008243845A Manufacturing method of magnet 审中-公开
标题翻译：磁铁制造方法
公开(公告)号：JP2008243845A
公开(公告)日：2008-10-09
申请号：JP2007077749
申请日：2007-03-23
申请人： Tdk Corp , Tdk株式会社
发明人： MARO HITOSHI , SASAKI HIDEKI , MORIMOTO KEIICHI , KURAHASHI TAKAHIDE , ENDO SHUNEI
IPC分类号： H01F41/02 , B22F3/00 , B22F3/035 , C22C33/02 , H01F1/053 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a magnet where a variation in density has been suppressed. SOLUTION: The manufacturing method of a magnet includes: a slurry injection process for injecting slurry S into one cavity C in a molding machine 20 from two locations; a formation process for performing the wet formation of the slurry S injected into the cavity C in the slurry injection process; and a desolvation/baking process for baking a forming body 50 obtained by the formation process after desolvation, and forming a magnet containing magnetic powder. As a result, as compared with the case that injection is performed from one location, the difference of elevation in the liquid level of the slurry in the cavity is suppressed significantly. Thus, by manufacturing a magnet using the manufacturing method of a magnet, a variation in the density of the magnet to be manufactured can be suppressed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供密度变化被抑制的磁体的制造方法。解决方案：磁体的制造方法包括：从两个位置将浆料S注入成型机20中的一个空腔C中的浆料注入方法; 用于在浆料喷射过程中进行注入到腔C中的浆料S的湿法形成的形成工艺; 和通过去溶剂化后的形成工序得到的成形体50的去溶剂化/焙烧处理，形成含有磁性粉末的磁铁。结果，与从一个位置进行喷射的情况相比，腔体中的浆液的液面高度差被显着抑制。因此，通过使用磁体的制造方法制造磁体，可以抑制要制造的磁体的密度的变化。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008218515A Manufacturing apparatus and manufacturing method of magnet 有权
标题翻译：磁铁制造装置及其制造方法
公开(公告)号：JP2008218515A
公开(公告)日：2008-09-18
申请号：JP2007050431
申请日：2007-02-28
申请人： Tdk Corp , Tdk株式会社
发明人： SASAKI HIDEKI , MARO HITOSHI , KURAHASHI TAKAHIDE , MORIMOTO KEIICHI , ENDO SHUNEI , KITAMURA KENICHI
IPC分类号： H01F41/02 , B22F3/02 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method and a manufacturing apparatus of a magnet capable of restraining variations in the weight of a magnet. SOLUTION: The manufacturing apparatus 1 of a magnet comprises: a making machine 50 that has a cavity C where slurry containing magnetic powder and solvents is injected and performs the wet forming of the slurry injected into the cavity C; a storage tank 30 for supplying the slurry to the making machine 50; and a static mixer 40 that is mounted to a carrier pipe 36 in slurry between the storage tank 30 and the making machine 50 and mixes the magnetic powder of the slurry and solvents. Thus, when the slurry is supplied from the storage tank 30 to the making machine 50, the separation of the magnetic powder in the slurry from the solvents is reduced significantly. As a result, by manufacturing a magnet using the manufacturing apparatus 1 of a magnet, variations in the weight of the magnet can be suppressed. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制磁体重量变化的磁体的制造方法和制造装置。解决方案：磁体的制造装置1包括：制造机器50，其具有空腔C，其中注入含有磁粉和溶剂的浆料，并且进行注入到腔C中的浆料的湿法成型; 用于将浆料供给到制造机器50的储存罐30; 以及静态混合器40，其在储存罐30和制造机器50之间以浆液的形式安装在承载管36上，并将浆料和溶剂的磁性粉末混合。因此，当将浆料从储罐30供给到制造机器50时，浆料中的磁性粉末与溶剂的分离显着降低。结果，通过使用磁体的制造装置1制造磁体，可以抑制磁体的重量的变化。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2008218502A Manufacturing apparatus of magnet, and manufacturing method of magnet 有权
标题翻译：磁铁制造装置及磁铁制造方法
公开(公告)号：JP2008218502A
公开(公告)日：2008-09-18
申请号：JP2007050130
申请日：2007-02-28
申请人： Tdk Corp , Tdk株式会社
发明人： SASAKI HIDEKI , MARO HITOSHI , KURAHASHI TAKAHIDE , MORIMOTO KEIICHI , ENDO SHUNEI , KITAMURA KENICHI
IPC分类号： H01F41/02 , B22F3/02 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing apparatus of a magnet and a manufacturing method of a magnet capable of obtaining a magnet having a high degree of orientation by fully improving the dispersion properties of slurry in formation. SOLUTION: The manufacturing apparatus of a magnet in a suitable execution form comprises: a slurry supply section 10 for supplying slurry where the raw material powder of a magnet and solvents are mixed; an oscillation application apparatus 20 for oscillating slurry sent from the slurry supply section to a making machine; and the making machine 30 for making slurry. In the manufacturing method of a magnet, the magnet is manufactured by a slurry manufacturing process for manufacturing the slurry by mixing the raw material powder of a magnet and solvents, by an oscillation application process for oscillating the slurry, a forming process for obtaining a forming body by forming the slurry after the oscillation application process, and a baking process for baking the forming body by such an apparatus. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种磁体的制造装置和能够通过充分改善形成中的浆料的分散性能而获得具有高取向度的磁体的磁体的制造方法。解决方案：适当执行形式的磁体制造装置包括：浆料供应部分10，用于供应混合磁体和溶剂的原料粉末的浆料; 振荡施加装置20，用于将从浆料供给部送出的浆料振荡到制造机; 和制造浆料的制造机30。在磁体的制造方法中，通过用于通过使用于振荡浆料的振荡施加方法混合磁体的原料粉末和溶剂来制造浆料的浆料制造方法来制造磁体，获得成形通过在振荡施加处理之后形成浆料，以及通过这种装置烘烤成形体的烘烤工艺。版权所有（C）2008，JPO＆INPIT

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