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为满足用户对无取向电工钢中硫含量的要求,采用CaO-CaF2复合渣系为脱硫剂,利用RH投入法对无取向电工钢进行深脱硫试验。试验结果表明,RH精炼渣成分控制在w CaO43%~51%、w Al2O325%~31%、w MgO4%~6%、w SiO29%~12%、w(FeO+MnO)3%~6%,在脱硫剂加入量为6~8 kg/t时,钢中平均硫含量从32×10-6降低到18×10-6,RH平均脱硫率为43.3%,最高达47.1%。利用KTH模型计算精炼终渣平均硫容量为0.003 1,RH精炼结束时渣-钢间实际平均硫分配比从14增加到52。 In order to satisfy the requirements of consumers on sulfur content in non-oriented electrical steel,taking( CaO-CaF 2) based flux as desulfurizer,industrial experiments on deep desulphurization of non-oriented electrical steel were carried out during RH process. The results show that as the compositions of refining slag are appropriately controlled with w CaO of 43% ~ 51%,w Al2O3 of 25% ~ 31%,w MgO of 4% ~ 6%,w SiO2 of 9% ~ 12%,and w( FeO + MnO) of 3% ~ 6%,and the desulfurizer added are at 6 ~ ... 
2013-06-28 100 5.8

日本住友金属成功地开发了一种资源节约型高强度无取向电工钢SXRC,这种电工钢是通过固溶铌适度抑制位错的合并对消而得到一种特殊的微观组织,因此兼具很高的力学性能和磁性,特别适用于HEV、EV驱动电机转子。而且,不使用昂贵的镍就可以达到期望的强度,合金成本可控,是一种优越的资源节约型产品。 Sumitomo metal industries ltd of Japan successfully developed a type of high strength non-orientation electrical steel SXRC of resources-saving.The steel has both high mechanical performance and good magnetic property thanks to the special microstructure produced by the formation of Nb solid solution serving to appropriately inhibit the combination and cancellation of dislocations.The material is,in particular,suitable for manufacturing rotors of HEV and EV driving motors.Besides,expected streng... 
2011-06-28 98 5.8

用Gleeble1500D模拟试验机在变形温度为950~1 200℃、应变速率为0.01~8s-1、最大变形程度为60%的条件下,对硅钢50A1300做单道次压缩试验,首先分析了不同参数对流变应力的影响,然后用回归法确定了应力模型中的变形激活能及材料常数,得到硅钢50A1300在峰值应力条件和稳态应力条件下的变形激活能分别为270.360和91.557kJ/mol,同时得到了流变峰值应力模型,模型的相关系数为0.997。最后通过作lnθ-ε图的方法找到了硅钢50A1300发生动态再结晶的临界应变量,并回归得到峰值应变量、临界应变量与参数Z/C的关系式。 To analyze the effects of different parameters on the flow stress and critical strain of the dynamic recrystallization,single-pass compression experiments were carried out with silicon steel 50A1300 specimens using a Gleeble1500D thermal simulator at a temperature range of 950-1 200 ℃ and strain rate range of 0.01-8 s-1 under the condition of maximum deformation of 60%.The average deformation activation energy is respectively 270.360 and 91.557 kJ/mol under the peak stress and steady-state stres... 
2012-11-28 88 5.8

研究了常化对CSP流程生产的wSi=1.6%的无取向电工钢组织、织构和成品磁性能的影响。结果表明,经CSP流程生产,且在相同的冷轧及退火制度下,经1 000℃×2min常化处理的wSi=1.6%的无取向电工钢热轧板,其最终退火成品的铁损P15/50比不常化试样下降了10.5%,磁感B50比不常化试样提高了2.5%;常化使wSi=1.6%的无取向电工钢成品的平均晶粒尺寸增大,成品铁损P15/50相应减小;同时,常化使wSi=1.6%的无取向电工钢成品中高斯织构的强度增加,γ纤维织构的强度减弱,这有利于成品磁感B50的提高。 The effect of normalizing on microstructure,texture and magnetic properties of non-oriented electrical steel with wSi=1.6% produced by CSP process was investigated.The results show that,under the same cold rolling and annealing system,the iron loss(P15/50) of annealed samples whose hot bands has been normalized by 1 000 ℃×2 min process decreases by 10.5% and magnetic induction(B50) increases by 2.5% compared with the samples whose hot bands was not normalized.The average grain size of non-orient... 
2012-11-28 126 5.8

本实用新型涉及一种硅钢片点数机,包括底座、分拣器、收拢器和输送器。其中,分拣器通过机架倾斜连接于底座上,用于分拣硅钢片,分拣器上设置有计数器,计数器依次计数分拣器分拣的硅钢片的数量。收拢器包括托盘和振动器,托盘设于分拣器的下方,用于承装分拣器分拣的硅钢片,振动器设于底座上,与托盘上硅钢片抵接,振动器振动能够将托盘上的硅钢片收拢整齐。输送器与底座和托盘相连,输送器工作能够带动托盘移动,以将托盘上的硅钢片输送至下一工位。本实用新型采用的是分拣清点的方式,事先无需摆放整齐,将每片硅钢片进行分拣计数,有效避免了摆放不整齐造成的计数不精确的问题。
2021-03-25 86 6.8

本实用新型涉及变压器铁芯全自动叠装产线技术领域,具体为一种可变距硅钢片吸附抓具,包括:第一铝型材,所述第一铝型材的底端两侧均安装有直线导轨,所述第一钣金连接件的一端与第二直推气缸的动力输入端相连接,所述第二直推气缸通过安装座固定安装在第一铝型材上,所述第一钣金连接件远离直线导轨的一端固定安装有第一气动吸盘;装配块,其设置在所述第二直推气缸远离直线导轨的一侧,所述第二钣金连接件的底端安装有第二气动吸盘。本实用新型通过设置的第二直推气缸能够推动第一气动吸盘在第一铝型材上滑动,如此能够改变第一气动吸盘的所在位置,从而能实现对不同长度的硅钢片的抓取,提高该种吸附抓具的适用范围。
2021-12-16 129 6.8

随着中国电工钢产量的增加,硅钢级氧化镁需求量不断增加,传统的以白云石为原料制备氧化镁的工艺已经无法满足市场需求。中国是一个卤水资源丰富的国家,因此,研究如何资源化综合利用盐湖资源变得越来越重要。硅钢级氧化镁是一种制备取向硅钢的涂层材料,主要用于取向硅钢高温退火处理阶段,起到隔离剂、绝缘膜层、脱硫、脱磷等作用。综述了制备硅钢级氧化镁的方法、工艺流程、研究进展及存在的问题,指出了硅钢级氧化镁制备技术的发展方向,并对中国卤水资源的利用提出了建议。 With the increasing output of electric steel,the demand for silicon steel grade magnesium oxide(MgO) is larger and larger in China,and the traditional MgO production process with dolomite as raw material has been unable to meet market demand.China is a brine resource-rich country,the study of how to comprehensively utilize salt lake resources has become increasingly important.As a coating material used for preparing oriented silicon steel,silicon steel grade MgO is mainly used in the process of ... 
2011-01-28 145 5.8

本实用新型涉及一种硅钢片叠压精准定位设备,包括压台、压板和仿形燕尾键,所述压台上开有与仿形燕尾键下端相对的限位槽,所述压板设置与压台上方,所述压板上开有与仿形燕尾键上端相对的限位孔。本技术方案当硅钢片叠放压合之后,仿形燕尾键可以去除,并能够在硅钢片组成的铁芯上形成燕尾槽,用于后期燕尾键的组装,且能够保证燕尾槽内的结构规则,便于后期燕尾键组装。
2021-11-22 129 6.8

对无取向电工钢中的夹杂进行了系统的分析。利用小样电解,采取不同电解液,不同的分离方法对无取向电工钢中稳定和不稳定夹杂物进行了提取、分离和收集。利用扫描电镜(SEM)、X-射线衍射、ICP等对电解分离收集的夹杂物进行了定性和定量分析。 The inclusion analysis of the non-oriented electrical steel has been investigated.By using small sample electrolytic analysis,with different electrolytes and different separation ways,the stable inclusions and unstable inclusions was drew,separated,and collected.With utilizing the methods of SEM,X-ray and ICP,the qualitative and quantitative analysis of inclusions in the non-oriented electrical steel was obtained. 
2023-05-09 171 5.8

本实用新型公开了一种硅钢炉底辊套管生产用专用夹具,包括工作台,所述工作台的顶端表面设置有旋转云台,所述旋转云台的顶端表面设置有固定柱,所述固定柱通过转轴安装有固定杆,且转轴的端部通过联轴器安装有第一电机,所述固定杆的端部通过转轴转动连接有安装杆,所述转轴的端部通过联轴器安装有第二电机。本实用新型中,通过旋转云台、固定柱、第一电机、固定杆、第二电机、安装杆、第三电机、连接杆和机械爪的相互配合使用下,实现了对炉底辊套管的全自动夹取,有效的降低现场工作人员的劳动负荷,避免操作人员通过夹具在夹取可能出现的意外事件,极大的提高了夹取效率。
2021-10-13 91 6.8

对无取向硅钢炼钢全流程钢液增钛的原因进行了分析,认为铁水钛含量、转炉出钢温度、转炉下渣量、精炼渣TiO2含量、钢水罐及RH浸入管混钢种生产是影响钢液增钛的主要原因。通过采取低钛铁水冶炼,减少转炉下渣量,提高出钢温度,添加白灰改质精炼渣等措施,均能够降低钢液中的钛含量。 After analyzing the causes leading to increased content of titanium in molten nonoriented silicon steel during whole steelmaking process, it was concluded that such factors as content of titanium in hot metal, tapping temperature from converter, quantity of roughing slag entered into the ladle from converter, content of TiO2 in refining slag, molten steel ladle car,carrying out the steelmaking of different steel grades by the same ladle and same RH immersion tube were the main causes ... 
2022-01-28 128 5.8

本发明公开了一种高磁感取向硅钢实验室轧机一次冷轧方法,包括:1)取样,实验室冷轧材料选取经过常化酸洗后的厚度为2.3mm的取向硅钢试样;2)制样,利用取向硅钢专用剪板机,裁剪试样尺寸为轧向600mm×横向150mm;将试样表层轻涂一层薄薄的轧制油;3)冷轧轧制规程制定,轧前厚度为2.3mm;其中:轧制总道次为6次时轧后厚度为0.35mm,轧制总道次为7次时轧后厚度为0.27mm,轧制总道次为8次时轧后厚度为0.23mm。本发明的目的是提供一种高磁感取向硅钢实验室轧机一次冷轧方法,为工业试制提供一定的技术参考,以及后续工艺研究提供了更加可靠的试样和条件。
2021-11-25 147 6.8

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