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本发明提供一种在同一卷材内得到稳定的磁特性的方向性电磁钢板的制造方法。上述方向性电磁钢板的制造方法,包括如下步骤:将具有规定的成分组成的钢坯热轧而制成热轧板,将上述热轧板退火而制成热轧板退火板,对上述热轧板退火板实施1次或隔着中间退火的2次以上的冷轧而制成最终板厚的冷轧板,对上述冷轧板实施一次再结晶退火和二次再结晶退火;上述冷轧包括至少1次的压下率为80%以上且轧制速度为设定值R0(mpm)期间的钢板温度T0(℃)与轧制速度为0.5×R0(mpm)以下期间的钢板温度T1(℃)满足式(1)的冷轧。
2021-06-28 204 6.8

研究了罩式炉常化工艺对50W350硅钢热轧板组织、夹杂物和性能的影响。研究结果显示,罩式炉常化工艺在温度一定的情况下,随着保温时间延长,硅钢晶粒逐步再结晶并长大,同时析出物也在聚集长大。通过制定合理的罩式炉常化工艺,可以实现硅钢晶粒的再结晶和长大,从而达到连续退火炉常化工艺产品技术要求。 The influence of normalization process with a bell furnace on the structure,inclusions and properties of 50W350electrical steel hot-rolled sheet was studied.The research results showed that:when the steel was normalized at a certain temperature in the bell furnace,the silicon steel grains gradually recrystallized and grew up with the extension of the annealing holding time,and at the same time,the precipitates also gathered and grew up.The recrystallization and growth of the silicon steel grains... 
2022-02-28 227 5.8

针对川威950的工艺现状,结合无取向低硅钢SGG生产的工艺特点,主要从控制其钢坯加热和轧制以及终轧温度和卷曲温度几方面入手,进行无取向低硅钢生产的工艺控制研究。同时根据近6000吨的生产实践表明,该工艺措施能很好的满足该钢种的需要。 950 process Chuanwei status quo,with non-oriented silicon steel production process features low,mainly from the control of billet heating and rolling and finish rolling temperature and coiling temperature of several aspects,for non-oriented silicon steel production process of low control at the same time According to nearly 6,000 tons of production practice shows that the process measures could well meet the needs of the steel. 
2011-01-28 213 5.8

热轧轧制工艺对产品性能和轧制稳定性影响很大,对中低牌号无取向电工钢,当在两相区轧制时,热轧塑性明显降低,板形变坏,易出现边裂等情况。以50W1000为例,通过对其变形抗力进行研究,得出把两相区控制在F4与F5之间为最佳轧制工艺的结论。在此基础上制定了一套较为合理的热轧工艺制度。采用新的轧制工艺后,50W1000热轧精轧的稳定性明显改善,热轧产品合格率由开发初期的40%左右提高到95%以上。 The hot rolling process has great influence on product′s performance and rolling stability.For the low medium grade non-oriented electrical steel,when non-oriented electrical steel is rolled in tow phase region,the hot rolling plasticity reduces obviously,the shape of strip goes bad and easily to crack at the edge.The deformation resistance of 50W1000 steel was investigated.The results show that the optimal rolling process is to control the two phase region between F4 and F5.Based on the results... 
2011-03-28 214 5.8

【作者】 严伟明; ...
2013-09-28 150 5.8

采用RH精炼添加钙合金方式对硅钢进行钙处理。结果表明,钙合金添加量为0.67、1.00、1.67kg/t钢时,钢中钙含量分别为0、2×10-6、4×10-6;随着钙合金添加量增大,钢中夹杂物粒度逐渐由0~2μm向2~4、4~6μm偏移;不同钙处理条件下,钢中均存在粒径小于1μm和粒径为1~5μm的MnS、CuxS夹杂物,后者或单独存在,或同AlN、CaS夹杂复合;粒径为5~10μm区间,钢中的夹杂物基本以钙的氧、硫化物为主。与钙处理前相比,钙合金添加量为0.67、1.00、1.67kg/t钢时,粒径小于1.0μm的微细夹杂物减少幅度分别为68.06%、87.50%、94.94%。钙合金添加量为1.67kg/t钢时,可以去除钢中绝大部分的微细夹杂物。 Ca alloy was added into the liquid steel during RH refining,and the results show that Ca concentration in final Si steel sheets is insignificant,about 0,2×10-6 and 4×10-6 when the added amount of Ca is 0.67,1.00 and 1.67 kg/t steel,respectively.With the increase in the added Ca alloy amount,the inclusions in the steel gradually change from those of 0~2 μm to those of 2~4 and 4~6 μm.Under different Ca treatments,there exist MnS and CuxS inclusions whose size is below 1 μm as well as MnS and CuxS ... 
2013-02-28 179 5.8

本实用新型公开了一种大型硅钢片生产用输送装置,包括支撑座,所述支撑座的顶部安装有第一支架和第二支架,且第一支架位于第二支架的上方,所述第二支架的一端伸出支撑座的底部,其中,所述第一支架的外部套设有多组第一皮带,所述第一支架的内部安装有多组气缸,且气缸的一侧安装有感应器;所述第二支架的外部套设有两组第二皮带以及两组第三皮带,且两组第二皮带分别位于第二支架的两侧,两组所述第三皮带位于两组第二皮带之间,且第三皮带的长度小于第二皮带的长度。本实用新型所述的一种大型硅钢片生产用输送装置,通过对第一皮带增加磁性,并对调整第三皮带之间间距,能够轻松将转子和定子进行分类堆叠,节省机械手运行的时间。
2021-11-25 160 6.8

对高牌号无取向电工钢国内生产情况、工艺技术、产品性能及应用领域等进行了阐述,并探讨了高牌号无取向电工钢产品的发展趋势。 This paper introduces basic facts on the production status,process technology and products’ properties and their applications of non-oriented electrical steel with high grade at home,and then discusses the development trend on technology for producing the non-oriented electrical steel with high grade. 
2011-02-28 183 5.8

本实用新型公开了一种硅钢加热保温装置,包括安装板,所述安装板上表面固定连接有加热箱,所述加热箱背面通过固定板连接有多个伺服电机,所述伺服电机输出端固定连接有第一螺杆,所述第一螺杆远离伺服电机的一端贯穿加热箱并螺纹连接有置物板,所述加热箱内侧壁转动连接有多个第二螺杆,所述第一螺杆与相邻的第二螺杆之间通过锥轮组件相连接,所述第二螺杆外侧壁螺纹连接有螺纹块,所述螺纹块上表面通过连接组件连接有夹板。本实用新型,这种保温方式,操作简单,使硅钢在这个过程中,硅钢裸露在空气的时间短,能够起到较好的保温效果,避免因保温不当造成硅钢成品质量降低,从而有效的提高硅钢成品合格率。
2021-12-01 195 6.8

本发明公开了一种硅钢氧化镁废水资源化处理方法及处理系统,硅钢氧化镁废水进入过滤浓缩干化一体化装置经预过滤、过滤、干燥、排泥后得到清液和泥饼;泥饼经烘干后得到烘干泥饼;烘干泥饼溶解于硫酸溶液中,反应后的混合液固液分离得到上层清液和沉淀物,上层清液经中和、蒸发结晶后得到结晶物,沉淀物进行清洗、烘干处理。本发明还设计了实现上述处理方法的处理系统,该系统包括过滤浓缩干化一体化装置、烘干装置、溶解装置以及产水箱;本发明的硅钢氧化镁废水经处理后的清液满足回用要求,可返回机组循环利用,实现废水回用,泥饼经烘干、溶解后可分别作为钛白粉生产原料和土壤改良剂,具有经济环保双重效果,以及良好的社会效益和环境效益。
2021-03-16 160 6.8

对两种硅钢水溶性极厚绝缘涂层进行了不同温度的热老化实验。通过TG-DTA,GDS,FT-IR,SEM和光泽度仪等测试方法对老化的涂层进行分析表征,提出了评估硅钢水溶性极厚绝缘涂层热老化性能的合理温度区间,探讨了涂层热老化行为,并分析了两种涂层热老化性能的差异。结果表明,涂层附着性随着老化时间的延长逐渐下降。FT-IR表征结果显示,热老化过程中,涂料交联形成的化学键未发生断裂,交联剂氨基树脂的三嗪环被破坏是聚合物三维网络结构坍塌的主要原因。 Thermal aging expriments at different temperature were carried out on two types of water-soluble and extra-thick insulation coatings for non-oriented silicon steel,and a series of test methods such as glossmeters,TG-DTA,FT-IR,GDS,SEM were applied in analysis.For evaluating the thermal aging effect of this kind of insulation coating,the proper temperature range was proposed.The difference of aging performance between two coatings was been investigated and the related behaviors were been discussed... 
2011-04-28 180 5.8

6.5%(质量分数)Si高硅钢具有优异的软磁性能和广阔的应用前景,然而其室温脆性和低的热加工性极大地制约了它的发展。近年来,人们对高硅钢制备技术的研究已经取得了很大的进展,如何通过织构的优化提高高硅钢的磁性能越来越受到人们的关注,归纳和总结了不同工艺制备的高硅钢中的织构演变规律和特点,以及对应的典型磁性能。 6.5wt% Si high silicon steel has excellent soft magnetic properties and wide application prospect.However,the brittleness of room-temperature and poor workability of cold rolling limit its deve-lopment.Recently,the researches of the preparations of high silicon steel have been already made great breakthroughs,and then,more and more attentions are focused on how to optimizing the texture of high silicon steel so as to obtain the best magnetic properties.The evolution of textures of 6.5% Si high s... 
2014-11-28 198 5.8

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