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本发明公开了一种超高效变频空调压缩机用无取向硅钢薄带及其制造方法,属于无取向硅钢技术领域。本发明包括以下重量百分比的组分:C≤0.003%,Si:2.0%~2.5%,Mn:0.15%~0.5%,Als:0.3%~0.7%,Sn:0.05%~0.11%,S≤0.003%,P≤0.03%,B:0.002%~0.004%,Ca:0.003%~0.005%,N≤0.003%,Ti≤0.003%,其余为Fe及不可避免的杂质,且Mn/S比控制在20~60范围内,B/N比控制在0.7~1.5,Ca/S的比例≥1。为解决现有技术中存在的问题,本发明通过添加合金元素以及偏析元素,配合连铸、热轧、常化和连续退火等热处理工艺,以及优良的冷轧板形控制技术,实现0.30~0.35mm厚度薄规格的高效无取向硅钢产品,具备优异的磁性能和高屈强比的力学性能,满足高效变频空调压缩机电机磁性能和关节式定子高速冲裁对力学性能和板形的高标准要求。
2021-11-30 177 6.8

本发明揭示了一种无取向硅钢及其生产方法。所述生产方法包括:按照Si0.8~1.1%、Mn0.2~0.4%、不添加Sn和Sb进行炼钢,并制坯;将铸坯加热到1060~1120℃并保温150min以上,而后轧成厚度40~45mm的中间坯,再经精轧、卷取得到厚度为3.00±0.25mm的热轧卷板,精轧开轧温度≤872℃+1000*(11*[Si]‑14*[Mn]+21*[Al]);精轧终轧温度≤820℃,卷取温度≤560℃;常化、酸连轧,得到厚度为0.500±0.005mm的冷硬卷,常化温度850~900℃;成品退火温度820~880℃,退火后经冷却、涂层和精整,得到无取向硅钢。
2021-06-17 180 6.8

针对节能电机对无取向电工钢在磁性能方面的特殊要求,采用普通W600牌号的热轧板为原料,通过大量的现场工艺试验,研究总结出了\"超低张力\"的运行工艺、\"先快后慢\"的加热工艺、\"先湿后干\"的退火脱碳工艺、\"先缓后急\"的冷却工艺,生产出P1.5/50≤4.0 W/kg、B50≥1.70 T的冷轧电工钢产品,满足了节能电机的要求。 Based on the special requirements of no-oriented electrical steel for saving energy motor in magnetic aspects,using common W600 brand of hot rolled plate as raw material,through a large number of real tests,an ultra-low tension process,heating process which was quick at first and then slow,annealing decarburization process which was dry after the first wet,and a cooling technology of \"slow after the first urgent\" were concluded.Electrical steel product with P1.5/50≤4.0W/kg,B50≥1.70T was produced... 
2014-08-28 142 5.8

本发明公开了大型风电电机硅钢片自动装配系统,涉及机械生产技术领域。该发明包括硅钢片、自动导引运输车、硅钢片标准运输箱、机械手、吸盘夹具和大型风电电机转子;自动导引运输车与硅钢片标准运输箱插接配合;吸盘夹具设置在机械手末端;大型风电电机转子周圈地面粘贴电磁轨道;自动导引运输车与电磁轨道滚动配合。本发明通过设置好的程序,自动导引运输车沿着电磁轨道移动,到达程序设定工位,自动导引运输车自动停止,机械手开始动作,通过吸盘夹具上的真空吸盘吸取硅钢片,然后机械手将吸取的硅钢片移动装配位置,此时红外位置传感器再次精确定位,机械手对硅钢片的位置进行微调,位置调整好后,机械手完成最后的自动叠片步骤。
2021-10-29 151 6.8

分析了高转矩和高转速条件下高效驱动马达铁芯材料对无取向硅钢磁性能要求,讨论了无取向硅钢的高磁通密度和低铁损对电机转矩和效率的影响,介绍了国内外高磁感无取向硅钢发展情况。在生产工艺上,提高钢质纯净度,弱化夹杂物和第二相粒子对畴壁移动和再结晶晶粒长大的钉扎作用,添加微量晶界和带钢表面的偏析元素促使有利织构发展等技术可提高无取向硅钢的磁通密度。 The requirements of high efficient drive motor core materials under the conditions of high torque and high speed were analyzed.The effects of high magnetic flux density of non-oriented silicon steel on the torque and efficiency of the motor were discussed.The development of non-oriented silicon steel with high magnetic was introduced.The magnetic flux density of non-oriented silicon steel sheet can be obviously improved by some production technologies,such as purification steel,weakening the pin... 
2023-05-11 1.37k 5.8

采用取向分布函数和取向线分析方法对低温板坯加热取向硅钢从热轧到初次再结晶工艺阶段的织构进行了研究。研究表明:一次冷轧后各层的织构组分与热轧板各层面的织构组分存在着继承关系,次表层存在很强的{001}<110>织构,中心层的织构和热轧板的中心层相似,存在强的{001}<110>和{112}<110>织构;中间退火后发生再结晶,各织构组分的强度有所减弱,Goss织构组分再次出现;二次冷轧后沿厚度方向上的织构不均匀性不明显,{111}<112>织构强度最高,几乎是其他织构组分的1倍,{001}<110>织构大幅降低;初次再结晶后织构沿厚度方向没有明显的不均匀性,{111}<110>为最强的织构组分,并且具有一定强度的Goss位向。 The texture from the first cold rolling to the primary recrystallization of low temperature slab reheating grain-oriented electrical steel were researched by orientation distribution function and orientation distribution intensity technique.The results show that after the first stage of cold rolling,there is a strong {001}<110> texture in the subsurface and the texture in center layer is very similar to the center layer of hot band which has strong {001}<110> and {112}<110> tex... 
2011-08-28 189 5.8

研究表明,硅钢中的夹杂物对成品带钢的磁性能有显著影响。为研究冶炼过程硅钢中的夹杂物遗传变化,进而提出更有效的控制措施加以去除,本文结合典型的无取向硅钢生产炉次,采用非水溶液电解提取+扫描电镜观察方法分析冶炼过程中上述炉次典型试样的夹杂物。结果表明:转炉冶炼结束、RH精炼开始时,钢的氧化物夹杂总量最大,约为0.23%;RH精炼过程中,氧化物夹杂总量不断降低,并在脱碳结束时达到最低,约为0.02%;连铸过程中,氧化物夹杂总量仍有不断降低趋势,但夹杂物的平均尺寸变化不大。本试验条件下,中间包试样的夹杂物数量约为1.59×104个/mm3。 As we all know, the non-metallic inclusion effects magnetic properties of silicon steel sheets obviously. The article aims to study the heredity of non-metallic inclusion in non-oriented silicon steels during the steel making process, and then provides a more effective controlling measure to remove the inclusions. Based on the typical non-oriented silicon steel charges, the non-aqueous solution extraction and SEM observation were adopted to analyze the non-metallic inclusions. Results show that,... 
2014-05-28 157 5.8

【作者】 彭志华; ...
2023-05-09 197 5.8

本发明属于退火工艺技术领域,公开了一种高牌号无取向硅钢剪切方法,包括:待剪切带钢由夹送辊输送到达剪切位后,夹送辊释放对所述待剪切带钢的夹持;位于所述待剪切带钢下方的下剪刃上移,推顶所述待剪切带钢在低张力状态下持续向上运动;在所述待剪切带钢与上剪刃接触后,将所述待剪切带钢剪断。本发明提供的高牌号无取向硅钢剪切方法能够极大的减少高牌号无取向硅钢的剪切缺陷,降低废品量,提升剪切效率。
2021-07-08 157 6.8

冷轧无取向硅钢是高技术含量、高附加值产品,工艺复杂,生产周期长,过程控制难度大,被誉为钢铁产品中的\"工艺品\"。热轧生产工艺又是无取向硅钢生产的重中之重,直接决定了硅钢的铁损和电磁性等多项指标。 Cold rolled non-oriented silicon steel is high technology content 、high added value product. Its process is complex, its production cycle is of length, and its process control is difficult, which is known as the iron and steel products \" Arts and crafts\". Hot rolling production process is the top priority of non-oriented silicon steel, which directly determines iron loss of the silicon steel and electromagnetic property,as well as other many index. 
2014-02-28 175 5.8

试验的铸态取向硅钢(/%:0.0440.056C,3.123.32Si,0.080.11Mn,0.0020.008S,0.002 90.029 1Als,0.006 20.010 9N)由30 kg高频真空感应炉熔炼。通过场发射扫描电子显微镜/能谱仪(FE-SEM/EDS)研究结果表明,0.002 9%Als钢中氧化物主要为SiO2,存在片状、棒状及近似球状的独立MnS,未发现含铝的氧化物或氮化物;0.0090%Als钢中出现以Al2O3为主的复合氧化夹杂物,存在MnS与AlN的复合析出物。钢中Als增加,复合析出物多呈簇状发展。氧化物容易成为MnS-AlN复合析出的核心,钢中Als含量越低,夹杂物中的MnS含量越高;作为核心的氧化物夹杂的尺寸越小,形成的复合夹杂物的形状越规则,尺寸也越小。热力学计算结果表明,钢中Als含量主要影响了钢中氧化物夹杂的组成和AlN的析出温度及析出量。 Test as-cast grain-oriented silicon steel(/%:0.044 0.056C,3.12 3.32Si,0.08 0.11Mn,0.0020.008S,0.002 90.029 1 Als,0.006 20.010 9N) is melted by a 30 kg high frequency vacuum induction furnace.The research results by using field emission-scanning electron microscope/energy dispersive spectrometer(FE-SEM/EDS) show that in 0.002 9%Als steel the main oxide is SiO2,and there is independent laminable,rod-like and approximate ... 
2014-02-28 156 5.8

本实用新型涉及一种硅钢卷用放料架,属于硅钢卷放料技术领域。包括底板、升降台、支撑座、旋转座、固定轴、内限位块、轴套和外挡块,所述底板上设有升降台,升降台上设有支撑座,支撑座上设有旋转座,旋转座上对称设有两组固定轴,所述固定轴内侧固定有内限位块,其外侧设有可拆卸的外挡块,所述轴套安装在内限位块和外挡块之间的固定轴上且可相对固定轴转动;本实用新型采用升降台,方便人工将笨重的硅钢卷轻松的装入固定轴上,通过可拆卸的外挡块固定,安装快捷,节省人力,安全可靠。
2021-06-15 147 6.8

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