Rare-earth bonded magnet composition, rare-earth bonded magnet and
process for producing said rare-earth bonded magnet
    3.
    发明授权
    Rare-earth bonded magnet composition, rare-earth bonded magnet and process for producing said rare-earth bonded magnet 失效
    稀土粘结磁体组合物,稀土粘结磁体及其制造方法

    公开(公告)号:US5888416A

    公开(公告)日:1999-03-30

    申请号:US331670

    申请日:1995-02-13

    摘要: The addition of a chelating agent or a chelating agent and an antioxidant in combination to a rare-earth bonded magnet composition and a rare-earth bonded magnet comprising a rare-earth magnetic powder and a resin component can provide improved moldability and magnets having high performance and high corrosion resistance. Further, the regulation of property values of the magnet composition enables the occurrence of troubles to be avoided during molding, resulting in improved productivity. Furthermore, the use of at least two resins as a resin component in an extruding composition contributes to improvement in moldability and consequently increase in throughput. Furthermore, the use of extrusion, involving setting by cooling, and not compression molding in the production of magnets can provide high-density, high-performance magnets.

    摘要翻译: PCT No.PCT / JP93 / 00611 Sec。 371日期1995年2月13日 102(e)日期1995年2月13日PCT提交1993年5月11日PCT公布。 公开号WO93 / 23858 日期:1993年11月25日将螯合剂或螯合剂和抗氧化剂组合添加到稀土类粘结磁体组合物和包含稀土类磁性粉末和树脂组分的稀土类粘结磁体中可以提供改善的成型性 和具有高性能和高耐腐蚀性的磁体。 此外,磁体组合物的特性值的调整能够在成型时避免发生故障,从而提高生产率。 此外,在挤出组合物中使用至少两种树脂作为树脂组分有助于改善成型性,从而提高生产量。 此外,使用挤出技术,包括通过冷却进行设置,而不是在制造磁体时进行压缩成型,可以提供高密度,高性能的磁体。

    Rare earth cast alloy permanent magnets and methods of preparation
    4.
    发明授权
    Rare earth cast alloy permanent magnets and methods of preparation 失效
    稀土铸造合金永磁体及其制备方法

    公开(公告)号:US5597425A

    公开(公告)日:1997-01-28

    申请号:US487198

    申请日:1995-06-07

    摘要: A rare earth iron permanent magnet including at least one rare earth element, iron and boron as primary ingredients. The magnet can have an average grain diameter of less than or equal to about 150 .mu.m and a carbon content of less than or equal to about 400 ppm and a oxygen content of less than or equal to about 1000 ppm. The permanent magnet is prepared by casting a molten alloy. In one embodiment, the cast body is heat treated at a temperature of greater than or equal to about 250.degree. C. Alternatively, the material can be cast and hot worked at a temperature of greater than or equal to about 500.degree. C. Finally, the material can be cast, hot worked at a temperature of greater than or equal to about 500.degree. C. and then heat treated at a temperature of greater than or equal to about 250.degree. C. The magnets provided in accordance with the invention are relatively inexpensive to produce an have excellent performance characteristics.

    摘要翻译: 一种含有至少一种稀土元素,铁和硼作为主要成分的稀土铁永磁体。 磁体的平均粒径可以小于或等于约150μm,碳含量小于或等于约400ppm,氧含量小于或等于约1000ppm。 通过铸造熔融合金制备永磁体。 在一个实施例中,铸造体在大于或等于约250℃的温度下进行热处理。或者,该材料可以在大于或等于约500℃的温度下铸造和热加工。最后, 该材料可以铸造,在大于或等于约500℃的温度下热加工,然后在大于或等于约250℃的温度下进行热处理。根据本发明提供的磁体是相对的 廉价的生产具有优异的性能特点。

    Rare earth cast alloy permanent magnets and methods of preparation
    7.
    发明授权
    Rare earth cast alloy permanent magnets and methods of preparation 失效
    稀土铸造合金永磁体及其制备方法

    公开(公告)号:US5538565A

    公开(公告)日:1996-07-23

    申请号:US082190

    申请日:1993-06-24

    摘要: A rare earth iron permanent magnet including at least one rare earth element, iron and boron as primary ingredients. The magnet can have an average grain diameter of less than or equal to about 150 .mu.m and a carbon content of less than or equal to about 400 ppm and an oxygen content of less than or equal to about 1000 ppm. The permanent magnet is prepared by casting a molten alloy. In one embodiment, the cast body is heat treated at a temperature of greater than or equal to about 250.degree. C. Alternatively, the material can be cast and hot worked at a temperature of greater than or equal to about 500.degree. C. Finally, the material can be cast, hot worked at a temperature of greater than or equal to about 500.degree. C. and then heat treated at a temperature of greater than or equal to about 250.degree. C. The magnets provided in accordance with the invention are relatively inexpensive to produce an have excellent performance characteristics.

    摘要翻译: 一种含有至少一种稀土元素,铁和硼作为主要成分的稀土铁永磁体。 磁体的平均粒径可以小于或等于约150μm,碳含量小于或等于约400ppm,氧含量小于或等于约1000ppm。 通过铸造熔融合金制备永磁体。 在一个实施例中,铸造体在大于或等于约250℃的温度下进行热处理。或者,该材料可以在大于或等于约500℃的温度下铸造和热加工。最后, 该材料可以铸造,在大于或等于约500℃的温度下热加工,然后在大于或等于约250℃的温度下进行热处理。根据本发明提供的磁体是相对的 廉价的生产具有优异的性能特点。

    Horizontal and vertical displacement detector of wire rope
    9.
    发明授权
    Horizontal and vertical displacement detector of wire rope 失效
    钢丝绳水平和垂直位移检测器

    公开(公告)号:US5581180A

    公开(公告)日:1996-12-03

    申请号:US244270

    申请日:1994-11-03

    CPC分类号: B61B12/06 B61B12/02

    摘要: A displacement detector detects a relative position between a wire rope and a pulley of a transfer apparatus. The detector includes a magnet disposed to face the wire rope, two magnetoelectric conversion units disposed relative to a pitch of lays of the wire rope to produce two output voltages having ripple components caused by the pitch of lays and being opposite to each other in terms of phase, and a circuit unit connected to the magnetoelectric conversion units for detecting displacement degrees of the wire rope from the pulley according to the output voltages and adding the output voltages so that said ripple components of opposite phases offset each other thereby removing effects of said pitch of lays.

    摘要翻译: PCT No.PCT / JP92 / 01560 Sec。 371日期:1994年11月3日 102(e)日期1994年11月3日PCT提交1992年11月27日PCT公布。 出版物WO93 / 日期:1993年6月10日位移检测器检测钢丝绳和传送装置的皮带轮之间的相对位置。 检测器包括设置成面对钢丝绳的磁体,两个磁电转换单元相对于钢丝索的间距设置,以产生两个输出电压,其具有由布置间距引起的并且彼此相对的波纹分量 以及连接到所述磁电转换单元的电路单元,用于根据所述输出电压检测所述钢丝绳从所述滑轮的位移程度,并且将所述输出电压相加,使得所述相反相位的所述纹波分量彼此抵消,从而去除所述间距的影响 的奠定。

    Rare earth cast alloy permanent magnets and methods of preparation
    10.
    发明授权
    Rare earth cast alloy permanent magnets and methods of preparation 失效
    稀土铸造合金永磁体及其制备方法

    公开(公告)号:US5565043A

    公开(公告)日:1996-10-15

    申请号:US265474

    申请日:1994-06-24

    摘要: A rare earth iron permanent magnet including at least one rare earth element, iron and boron as primary ingredients. The magnet can have an average grain diameter of less than or equal to about 150 .mu.m and a carbon content of less than or equal to about 400 ppm and a oxygen content of less than or equal to about 1000 ppm. The permanent magnet is prepared by casting a molten alloy. In one embodiment, the cast body is heat treated at a temperature of greater than or equal to about 250.degree. C. Alternatively, the material can be cast and hot worked at a temperature of greater than or equal to about 500.degree. C. Finally, the material can be cast, hot worked at a temperature of greater than or equal to about 500.degree. C. and then heat treated at a temperature of greater than or equal to about 250.degree. C. The magnets provided in accordance with the invention are relatively inexpensive to produce an have excellent performance characteristics.

    摘要翻译: 一种含有至少一种稀土元素,铁和硼作为主要成分的稀土铁永磁体。 磁体的平均粒径可以小于或等于约150μm,碳含量小于或等于约400ppm,氧含量小于或等于约1000ppm。 通过铸造熔融合金制备永磁体。 在一个实施例中,铸造体在大于或等于约250℃的温度下进行热处理。或者,该材料可以在大于或等于约500℃的温度下铸造和热加工。最后, 该材料可以铸造,在大于或等于约500℃的温度下热加工,然后在大于或等于约250℃的温度下进行热处理。根据本发明提供的磁体是相对的 廉价的生产具有优异的性能特点。