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聚焦无取向硅钢产品标准,从电磁性能、表面性能、机械性能以及尺寸公差与边部质量等维度对国际标准IEC、EN、JIS、ASTM以及国标GB进行了分析研究。分析得出,各类标准在电磁性能方面要求基本一致;ASTM标准的机械性能要求有别于其他几个标准。 In this paper,non-oriented silicon steel standards of EN,JIS,GB and ASTM were compared and analyzed. It is showed that,all types of standards in electromagnetic performance requirements are basically the same. Surface properties in ASTM standard are expressed in the most detailed. The mechanical properties requirements of the standards,except for ASTM,are basically the same. 
2014-02-28 211 5.8

本发明涉及取向硅钢技术领域,尤其涉及一种取向硅钢边浪的控制方法、装置、设备和存储介质,该方法包括:在将通过脱碳退火阶段的取向硅钢的带钢进行卷取过程中,在带钢的下端侧上刻上刻痕线,其中,下端侧为带钢与高温退火炉的承托底板接触的一侧,刻痕线平行于带钢轧制的方向;控制卷取后的带钢通过高温退火阶段和热拉伸平整阶段后至精整阶段时,沿着刻痕线,切除带刚的边浪;其中,边浪为在带钢的刻痕线至下端侧的边的部分。该控制方法可显著改善高温退火后取向硅钢边部浪形,有效降低精整切边量,提高取向硅钢的板形质量及成材率,降低生产成本。
2021-09-15 226 6.8

针对某硅钢车间ST机组的除尘系统除尘效率较低、排放浓度不达标、二次污染较严重的问题,通过现场调研,对除尘系统、含尘气体组分与物性参数等进行测试和分析,运用管道伴热技术改善粉尘黏性后,再选取合适的除尘器对粉尘进行除尘处理,大大地提高了系统的除尘效率。 To solve the problems of low dust removal efficiency, substandard emission concentration and severe secondary pollution, some investigations are conducted to test and analyze the dust removal system,dust-gas composition and relevant physical parameters.Moreover, dust removal efficiency is greatly improved by the use of pipe heat tracing technology and by choosing appropriate dust remover. 
2014-02-28 160 5.8

一种硅钢片测量装置,属变压器绝缘件生产技术领域,包括工作台、止动滑块、纵梁和测量部,止动滑块安装在工作台上,纵梁架设在止动滑块和工作台上,测量部安装在纵梁上。工作台包括台面、立柱和横向燕尾槽,四个立柱将台面支撑于地面,台面的下侧安装一个横向燕尾槽。止动滑块安装在横向燕尾槽内,止动滑块包括块体、推杆、楔块、挡片、弹簧和蘑菇头,块体横向具有通孔,通孔内安装推杆和弹簧,块体纵向具有一对侧槽,侧槽内安装楔块,通孔内具有一个凸台,凸台位于靠近蘑菇头的一侧,蘑菇头用于弹簧的限位。止动滑块上安装纵梁,纵梁包括滑板、纵向燕尾槽,滑板的一端安装在止动滑块上,滑板上具有纵向燕尾槽,纵向燕尾槽上安装测量部。
2021-07-19 172 6.8

本发明提供一种线状槽的形成图案,其兼得低装配系数化的效果和高磁通密度。在钢板的表面具有多个在横切该钢板的轧制方向的方向延伸的线状槽的方向性电磁钢板中,在上述线状槽相互间的上述钢板的表面形成从该表面凹陷的凹型缺陷,将上述钢板的上述凹型缺陷的体积分率相对于不存在该凹型缺陷的状态的钢板设为0.0025vol%~0.01vol%,以每1m2钢板为30个~200个的频率形成切断上述线状槽的上述延伸的中断部。
2021-03-04 238 6.8

利用DSC、XRD,结合热焓分析对硅钢级氧化镁和二氧化硅的固相反应行为进行了研究。比较了不同二氧化硅原料及混合方法对硅钢级氧化镁反应性的影响,找到了一种更为有效的硅钢级氧化镁反应性的评估方法,克服了传统柠檬酸活性法在比较不同厂家生产的氧化镁的反应性上的局限性。进一步研究了Na2B4O7添加剂、TiO2添加剂对氧化镁和二氧化硅反应行为的影响,结果表明,Na2B4O7添加剂含量的增加对反应有利,而TiO2添加剂对反应有阻碍作用。 The solid-state reaction behavior between silicon-steel grade MgO and SiO2 was investigated by DSC and XRD combined with enthalpimetric analysis.The influence of different kinds of SiO2 and different preparation methods were studied and a specifical measurement that is more reliable was proposed to evaluate reactivity of silicon steel grade MgO.It overcomes the limitation of the traditional citric acid activity(CAA) method,which can not be used to evaluate the reactivity of... 
2014-03-28 184 5.8

通过固溶度积公式计算及热模拟实验,对不同热装和加热温度条件下的无取向硅钢铸坯中析出相进行了研究.在低于950℃热装时,铸坯中AlN的析出量和尺寸不再变化,但MnS和AlN-MnS的数量及平均尺寸随着热装温度降低而进一步增加,并在温度低于600℃时达到最大值后保持不变.与1200℃相比,1100℃加热的铸坯中AlN、MnS的总固溶量相对更少.相比850℃热装,600℃热装再加热到1100℃的铸坯中AlN和MnS的总固溶量更少,且AlN和MnS尺寸更大.合适的热装温度和加热温度分别为600℃和1100℃. Based on solubility product calculation and thermal simulation experiments,precipitated phases in continuous casting slabs of non-oriented silicon steel were systematically studied at different hot charging and heating temperatures.When the hot charging temperature is below 950 ℃,the content and size of AlN remain unchanged,but the quantity and size of MnS and AlN-MnS increase when the hot charging temperature decreases,reach maximum and remain unchanged when the hot charging temperature is belo... 
2013-08-28 207 5.8

本发明涉及硅钢带的制备技术领域,具体公开一种软磁性高硅钢极薄带及其制备方法。所述软磁性高硅钢极薄带的制备方法包括熔炼、包覆CaF2和TiB2偶合涂层、微波热压成型、酸洗、渗氮、一次退火、三道热轧、二次退火、三次温轧和三次退火。本发明提供的软磁性高硅钢极薄带的制备方法制得的软磁性高硅钢极薄带的晶粒细化程度高、组织均匀,改变了传统的相析出路径,有效消除了有序相的形成,使其具有优异的延展性,并具备更高的磁感和更低的铁损。
2021-12-31 374 6.8

为了优化激光刻痕降低取向硅钢铁损的工艺,寻找刻痕速度、脉冲能量、扫描间距等重要刻痕参数的最佳匹配关系,提出了一种基于人工神经网络与遗传算法的优化模型,并利用这种模型对30Q130取向硅钢材料的刻痕工艺进行了优化实验,结果表明,这种模型稳定可靠,可以作为取向硅钢刻痕工艺优化的一种有效的措施。 A laser is often considered to scribe the grain-oriented silicon steel surfaces after cold-rolling and annealing to reduce the core loss.It is necessary to select the best scribing parameters to maximize the reduction in this process.This paper proposes an optimization method of genetic algorithm during laser scribing of 30Q130 steel,by developing an artificial neural network prediction model using a database form a designed orthogonal experiment.The objective is to determine the best combinatio... 
2011-08-28 185 5.8

分析总结退火工艺各参数对冷轧无取向硅钢磁性能的影响,结合设计和生产实践经验介绍退火工艺中各参数的实际生产取值,并针对现生产工艺过程中出现的典型问题提出解决办法。 It is analyzed and summarized the great influences on magnetism of cold rolled non-oriented silicon steel affected by various annealing process data in this article.The relevant settled ways is raised.According to the actual value presetting ways for various annealing process data based on design and production,as well as typical problems occurred during production. 
2012-05-28 190 5.8

【作者】 潘恒韬; 欧阳帆; ...
2023-05-09 265 5.8

本发明公开了一种宽频率低铁损无取向电工钢及其制备方法,属于无取向电工钢生产制造技术领域。它从电工钢表面向内依次包括0.005mm~0.1mm的渗透层和钢材内芯;所述渗透层是由硅原子向电工钢内渗透形成,渗透层中的硅元素含量为3wt%~8wt%;所述钢材内芯包括2.0wt%~5.5wt%的硅元素和不少于93.2wt%的铁元素。本发明能保证无取向电工钢具有低频低铁损性能同时有效降低高频条件下的铁损,具体铁损性能为:铁损P1.5/50≤2.35W/kg,铁损P1.0/400≤13.8W/kg。
2021-11-09 205 6.8

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