CN107346693A - 钕铁硼磁铁的制备及切片方法 - Google Patents

钕铁硼磁铁的制备及切片方法 Download PDF

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CN107346693A
CN107346693A CN201710671161.7A CN201710671161A CN107346693A CN 107346693 A CN107346693 A CN 107346693A CN 201710671161 A CN201710671161 A CN 201710671161A CN 107346693 A CN107346693 A CN 107346693A
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magnet
processing
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raw material
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赵明富
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DONGGUAN JIAHAO MAGNETIC PRODUCTS Co Ltd
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DONGGUAN JIAHAO MAGNETIC PRODUCTS Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

一种钕铁硼永磁材料制作和切片方法，包括如下步骤：清理干净覆盖在钕、铁等原材料表面的氧化物，按重量份，其中钕20‑60份，铁30‑50份、稀土金属10‑20份、硼30‑50份；用坩埚入浇口杯对原材料进行熔炼成锭；将成锭后的材料进行粗破、中碎和气流磨；对粉状的材料进行磁场取向与压型：烧结致密；采用回火时效处理；对磁材料进行切片机加工和表面处理。上述磁性能、密度及规格的磁体。只有合格的磁体才能确保后加工切片、电镀后产品的内外在质量；产品质量有保证。

Description

钕铁硼磁铁的制备及切片方法
技术领域
本发明涉及磁铁，具体涉及一种钕铁硼磁铁的制备及切片方法。
背景技术
在常温下不会消磁的磁性材料故也叫永久磁铁钕铁硼；永磁材料以其优异的性能，丰富的原料较低的价格，正得以迅速的发展和广泛的引用。主要用于电声器件，仪器行业，汽车行业，石油化工，核磁共振，磁疗保健等领域。用途十分广泛，和日常生活紧密联系在一起。现有的钕铁硼永磁材料制作方法及切片方法工艺复杂，成本高。
发明内容
本发明的目的在于；针对现有技术的上述缺陷，提供一种钕铁硼磁铁的制备及切片方法。
提供一种钕铁硼永磁材料制作方法，包括如下步骤：
I）原材料处理：清理干净覆盖在钕、铁等原材料表面的氧化物，
J）配料：按重量份，其中钕20-60份，铁30-50份、稀土金属10-20份、硼30-50份；
K）采用坩埚入浇口杯对原材料进行熔炼成锭；
L）制粉：将成锭后的材料进行粗破、中碎和气流磨；
M）对粉状的材料进行磁场取向与压型：
N）烧结致密；
O）采用回火时效处理；
P）对磁材料进行机加工和表面处理。
提供一种将上述钕铁硼永磁材料进行切片的方法，包括如下步骤：
采用磨削切片加工、激光切片加工、电火花切片加工的方，根据供货要求，根据不同的材料外形进行下列之一的加工：
A）打孔加工：将圆棒、方棒状磁铁打孔加工成圆筒状或方筒状磁铁；
B）切割加工：将圆柱、方柱状磁铁经切片机切割加工成圆片状或方片状；
C）外形加工：将圆形、方形状磁铁加工成瓦型、扇形、凹槽形或异形等其他复杂形状的磁铁；
磨削切片加工、激光切片加工、电火花切片加工；
D）对采用上述三种步骤加工出来的片状材料进行磨削加工：
对于方块钕铁硼永磁合金的打磨加工：平磨、两端面磨、内圆磨、外圆磨；
圆柱型磁铁采用的是无芯磨和双端平磨；
瓦型磁铁、扇形、异性磁铁采用多工位磨床。
本发明提供的烧结钕铁硼永磁材料，通过稀土、铁、硼等多种原材料比例的有机结合，从而形成Nd2Fe14B主相及其它基本相，经过熔炼、制粉、成型、烧结一系列工艺，最终获得一定磁性能、密度及规格的磁体。只有合格的磁体才能确保后加工切片、电镀后产品的内外在质量。 产品质量有保证。
具体实施方式
提供一种钕铁硼永磁材料制作方法，包括如下步骤：
Q）原材料处理：清理干净覆盖在钕、铁等原材料表面的氧化物，
R）配料：按重量份，其中钕20-60份，铁30-50份、稀土金属10-20份、硼30-50份；
S）采用坩埚入浇口杯对原材料进行熔炼成锭；
T）制粉：将成锭后的材料进行粗破、中碎和气流磨；
U）对粉状的材料进行磁场取向与压型：
V）烧结致密；
W）采用回火时效处理；
X）对磁材料进行机加工和表面处理。
上述配比中：钕50份，铁30份、稀土金属15份、硼40份；
上述配比中：钕40份，铁40份、稀土金属10份、硼40份；
上述配比中：钕60份，铁30份、稀土金属20份、硼30份；
提供一种将上述钕铁硼永磁材料进行切片的方法，包括如下步骤：
采用磨削切片加工、激光切片加工、电火花切片加工的方，根据供货要求，进行下列之一的加工：
A）打孔加工：将圆棒、方棒状磁铁打孔加工成圆筒状或方筒状磁铁；
B）切割加工：将圆柱、方柱状磁铁经切片机切割加工成圆片状或方片状；
C）外形加工：将圆形、方形状磁铁加工成瓦型、扇形、凹槽形或异形等其他复杂形状的磁铁；
磨削切片加工、激光切片加工、电火花切片加工；
D）对采用上述三种步骤加工出来的片状材料进行磨削加工：
对于方块钕铁硼永磁合金的打磨加工：平磨、两端面磨、内圆磨、外圆磨；
圆柱型磁铁采用的是无芯磨和双端平磨；
瓦型磁铁、扇形、异性磁铁采用多工位磨床。

Claims (2)

1.一种钕铁硼永磁材料制作方法，其特征在于，包括如下步骤：
A)原材料处理：清理干净覆盖在钕、铁等原材料表面的氧化物，
B)配料：按重量份，其中钕20-60份，铁30-50份、稀土金属10-20份、硼30-50份；
C)采用坩埚入浇口杯对原材料进行熔炼成锭；
D)制粉：将成锭后的材料进行粗破、中碎和气流磨；
E)对粉状的材料进行磁场取向与压型：
F)烧结致密；
G)采用回火时效处理；
H)对磁材料进行机加工和表面处理。
2.一种将权1所述钕铁硼永磁材料进行切片的方法，其特征在于：包括如下步骤：
采用磨削切片加工、激光切片加工、电火花切片加工的方，根据供货要求，进行下列之一的加工：
A）打孔加工：将圆棒、方棒状磁铁打孔加工成圆筒状或方筒状磁铁；
B）切割加工：将圆柱、方柱状磁铁经切片机切割加工成圆片状或方片状；
C）外形加工：将圆形、方形状磁铁加工成瓦型、扇形、凹槽形或异形等其他复杂形状的磁铁；
磨削切片加工、激光切片加工、电火花切片加工；
D）对采用上述三种步骤加工出来的片状材料进行磨削加工：
对于方块钕铁硼永磁合金的打磨加工：平磨、两端面磨、内圆磨、外圆磨；
圆柱型磁铁采用的是无芯磨和双端平磨；
瓦型磁铁、扇形、异性磁铁则采用多工位磨床；
E）对磨好后的磁片进行电镀处理。
CN201710671161.7A 2017-08-08 2017-08-08 钕铁硼磁铁的制备及切片方法 Pending CN107346693A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110181281A (zh) * 2019-05-29 2019-08-30 浙江鑫盛永磁科技有限公司 用于钕铁硼生产的磁铁加工工艺
CN110202324A (zh) * 2019-06-05 2019-09-06 浙江鑫盛永磁科技有限公司 钕铁硼磁铁制造工艺
CN112071616A (zh) * 2020-08-19 2020-12-11 宁波四环磁业有限公司 一种钕铁硼磁铁的制备工艺
CN113851318A (zh) * 2021-08-26 2021-12-28 杭州永磁集团有限公司 一种高性能粘接磁钢组件的制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110181281A (zh) * 2019-05-29 2019-08-30 浙江鑫盛永磁科技有限公司 用于钕铁硼生产的磁铁加工工艺
CN110202324A (zh) * 2019-06-05 2019-09-06 浙江鑫盛永磁科技有限公司 钕铁硼磁铁制造工艺
CN112071616A (zh) * 2020-08-19 2020-12-11 宁波四环磁业有限公司 一种钕铁硼磁铁的制备工艺
CN113851318A (zh) * 2021-08-26 2021-12-28 杭州永磁集团有限公司 一种高性能粘接磁钢组件的制备方法
CN113851318B (zh) * 2021-08-26 2024-06-11 杭州永磁集团有限公司 一种高性能粘接磁钢组件的制备方法

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Application publication date: 20171114