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结合工业化生产的50A1300牌号无取向硅钢,分析了化学成分、RH精炼脱氧方式、板坯装炉温度以及热轧平整工艺等对磁性能的影响,探讨成品钢磁性能的改善。结果表明,采取改善后,50A1300牌号无取向硅钢的磁性能得到明显改善。2012年,该钢种平均铁损、磁感应强度分别达到5.26 W/kg、1.762 T,能够较好地满足用户市场需求及同行对标需要。 Based on the industrial manufacture of 50A1300 grade non-oriented silicon steel sheets,effects of chemical composition,deoxidization method in RH vacuum refining,charging temperature of steel slabs,hot rolling and flattening progress on magnetic properties are analyzed.The optimization methods of magnetic properties of steels are discussed. Results show that the magnetic properties are obviously improved by the adopted measures above. In 2012,the average core loss and the magnetic induction of 5... 
2014-02-28 92 5.8

本实用新型公开了一种硅钢片切割装置,包括底座和硅钢片本体,所述底座的上表面分别设置有驱动机构和切割框,驱动机构的表面设置有激光切割机构,切割框的内底壁开设有条形槽,条形槽的内壁转动连接有丝杠,丝杠的表面螺纹连接有滑动块,滑动块的上表面固定安装有定位框,定位框的内壁设置有电动推杆,电动推杆的推送端设置有定位板。该硅钢片切割装置,在对硅钢片进行切割时,能够通过小型电机的转动使定位框从切割框内移出,从而便于操作人员对硅钢片本体的放置,放置完成后,小型电机反转,使定位框带动硅钢片本体进入切割框内并与在转动辊的作用下滑动进入定位槽内,从而实现对硅钢片本体的有效定位,提高了切割的精确性。
2021-10-15 52 6.8

变压器D21硅钢铁芯片采用冲压工艺生产。首先对其工艺进行了分析,确定了冲压方案。对产品进行了排样设计,计算了冲压力,确定了压力中心。然后,设计了单工序落料模具,完成了模具装配图。 D21 silicon steel chips for transformer are produced by stamping.First,its stamping process was analyzed and the scheme of the stamping process was determined.The product layout was designed,the punching pressure was calculated,the pressure center was determined.Then,the blanking die with single procedure was designed,the die assembly drawing was completed. 
2013-07-28 27 5.8

本实用新型公开了高牌号取向硅钢生产用辊轧机,包括辊轧机本体和夹送辊,所述辊轧机本体的底端安置于承托组件的顶端,且承托组件的两侧对称设置有机架,所述辊轧机本体一侧的机架顶端对称安装有两个换向机构,且两个换向机构顶部的一侧共同设置有上下两个夹送辊。该种高牌号取向硅钢生产用辊轧机中不仅能够通过两个液压缸同步伸缩,带动横担的两端反向旋转,从而灵活调节夹送辊的相对水平高度,进而提高了钢带输送角度的调节效率;而且在夹送辊旋转输送钢带时,换热介质经由两组导液管、旋转接头在夹送辊中输入、输出,通过直接接触进行全面换热,如此循环往复,进一步提高了对钢带的冷却效率。
2021-09-30 53 6.8

本实用新型公开一种稀土永磁变频电机加工硅钢片冷却装置,包括左、右间隔设置的悬架端杆;悬架端杆之间装配连接有若干个前后间隔设置的硅钢片卷料收卷部件,硅钢片卷料收卷部件均包括转动连接在悬架端杆上的旋转座,旋转座之间固定连接有若干个折形搭料杆,折形搭料杆包括横杆部,所述横杆部的左右两端均具有一体成型的折形端,折形端均固定连接在旋转座上;硅钢片卷料收卷部件之间通过传动部件传动连接;上述装置还包括若干个装配连接在悬架端杆顶部之间的风冷部件。采用上述装置部件设计实现对热处理加工的硅钢片快速卷绕,并且卷绕收卷过程中快速对物料进行冷却,有效提高了加工过程中硅钢片物料的冷却、收卷效率。
2021-08-13 52 6.8

本实用新型提出一种EI型硅钢片,所述EI型硅钢片呈长方形,其包括两个E形片和两个I形片,所述两个E形片开口相对且对称设置,所述两个I形片分别连接于两个E形片相接形成的两个空挡内,所述长方形的长度A为120mm,宽度B为88mm;其中,E形片的高度C为60mm,中间舌部宽度D为29.5mm,舌部高度E为44mm,其上两侧边柱宽度F为13.25mm;I形片宽度G为16mm,长度H为88mm。本实用新型采用两个E形片和两个I形片对称设置,在冲压时充分利用材料,不会造成多余废料,且其与现有EI90型硅钢片相比,其面积为EI90型硅钢片面积的97.78%,即硅钢材料重量也为EI90的97.78%,减少了硅钢用量。
2021-09-24 63 6.8

介绍了普通取向硅钢(CGO)和高磁感取向硅钢(Hi-B)铸坯高温加热两次冷轧、一次冷轧和铸坯低温加热两次冷轧、一次冷轧法4种成熟生产工艺的主要技术参数,取向硅钢理论研究(Goss晶核和抑制剂)和生产技术现状。取向钢的发展趋势为:提高(110)[001]晶粒取向度,降低取向硅钢铁损,发展铸坯低温加热(≤1 300℃)和薄板坯连铸连轧流程生产取向硅钢工艺。 Main technology parameters of four developed process:cast bloom higher temperature heating-double cold rolling or single cold rolling,lower temperature heating-double cold rolling or single rolling process for production of common grain oriented silicon steel(CGO) and high magnetic induction grain oriented silicon steel(Hi-B),theory research on grain oriented steel(Goss nucleus and inhibitor) and present situation of process are summarized in this paper.The development trend of grain oriented si... 
2013-05-28 77 5.8

硅钢连续退火线是无取向硅钢生产的成品线。由于受机组布置的影响,带钢经转向辊进出口活套后,当套量达到60%后就出现偏离生产线的情况,从而影响最终产品的质量及成材率,甚至损坏设备。针对某冷轧厂硅钢连续退火机组出口活套入口处带钢跑偏开展纠偏研究,利用Matlab对该纠偏系统进行动态仿真研究,分析系统的稳定性。 Silicon steel continuous annealing line is non oriented silicon steel production of finished product line.Due to the influence of unit layout,strip by roll Import & Export loop,when the set volume reached 60% after the emergence of deviation from the production line,thus affecting the quality of the final product and the rate of finished products,and even damage the equipment.For the export of continuous annealing line in cold rolling silicon steel strip deviation rectification loop at the e... 
2014-06-28 59 5.8

本实用新型公开一种具有硅钢片定位结构的变压器,包括:变压器箱体,其内部具有安装硅钢片铁芯的安装区域;多个定位销布置于安装区域的四周,且滑动安装于变压器箱体的内部底壁上;多个定位导块分别对应的活动式插接于每个定位销上,定位导块朝向安装区域的侧壁设有第一凹槽,定位导块的底部设有第二凹槽,第二凹槽与定位销配合嵌入弹性卡接;多组抵接组件,分别对应的安装于多个定位导块上,抵接组件包括弹性件和半球形块,半球形块与第一凹槽过渡配合,弹性件用于半球形块与硅钢片铁芯弹性抵接。从而通过该变压器的定位结构不仅可对不同型号大小的硅钢片铁芯进行定位,便于硅钢片铁芯散热的同时,也便于取出硅钢片铁芯。
2021-09-17 57 6.8

采用SEM、EDS和XRD对不同加热温度下W470连铸坯氧化铁皮的微观形貌及相结构进行研究。结果表明,W470氧化铁皮难以除去的原因是氧化铁皮熔化,液相包裹着FeO,凝固时发生共晶反应,生成FeO/Fe2SiO4共晶混合物,并深嵌入基体。降低加热炉的加热温度,使连铸坯全程在FeO/Fe2SiO4共晶混合物熔点(1177℃)以下加热,可降低氧化铁皮与基体的结合力,能够有效解决W470除鳞困难问题。 The microstructure and phase structure of iron scale of W470 continuous casting billet at different heating temperatures were investigated by SEM,EDS,and XRD.The results show that the reason why the iron scale of W470 removes hardly is that iron scale is melted and the FeO is surrounded by the liquid phase,which forms FeO / Fe2SiO4eutectic mixture and is embedded into the matrix after solidification.Lowering the heating temperature and keeping the continuous casting billet heating under the melt... 
2014-04-28 56 5.8

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 62 5.8

【机构】 武汉钢铁学院轧钢七二级电工钢结业小组; ...
2023-05-12 131 5.8

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