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本实用新型涉及变压器铁芯装配技术领域,具体公开了一种硅钢片铁芯的装配工装,包括底座、对称设于底座上的两个承压条以及快速装夹机构;所述快速装夹机构包括设于两个承压条一侧的安装框架、安装于安装框架两侧的侧挡板、紧固组件以及将安装框架和承压条之间定位的卡接组件;所述卡接组件包括安装于安装框架一侧的定位块、以及开设于承压条一侧的定位槽,所述定位块的内部开设有安装槽,本实用新型通过快速装夹机构能够实现安装框架的快速定位,从而便于安装框架的安装,有效的提高了安装框架的拆装效率,有助于硅钢片铁芯的快速装配,可提高硅钢片铁芯的装配效率,增加硅钢片铁芯的生产效益。
2021-09-09 205 6.8

抑制回硅是低硅品种钢冶炼的重点和难点,南钢中厚板卷厂通过转炉出钢弱脱氧操作,精炼炉弱脱氧升温,脱氧、脱硫造渣,连铸严格的保护浇注及吹氩塞棒、吹氩浸入式上水口的应用等一系列工艺优化和操作的改进,使整个冶炼过程钢水回硅量稳定控制在200×10-6以内,钢水终点成分完全满足低硅钢要求。 Control of increasing silicon is the emphasis and difficulty in low silicon varieties steel smelting.The Nisco Wide Plate/Coil Plant can control the silicon content in molten steel keeping within 200×10-6 through whole steelmaking process by using oxygen residual operation in converter tapping,oxygen residual and increasing temperature,deoxidation,desulfurization,slag refining,protection cast,blowing argon by plugged nozzle,blowing argon by submerged entry nozzle in continuous casting,and other ... 
2013-05-28 154 5.8

研究了取向硅钢制备过程中常见的两种冷轧工艺,主要研究了一阶段冷轧与两阶段冷轧+中间退火工艺对初次再结晶组织及织构的影响.结果表明:采用两阶段冷轧+中间退火工艺制备以Cu2S为主抑制剂的取向硅钢,其初次再结晶平均晶粒尺寸为18.1μm,高斯晶粒的体积分数为0.6%,迁移性强的重位点阵晶界(Σ5+Σ9)和高能晶界(20°~45°取向偏差角)所占比例分别为1.8%和50.4%.与一阶段冷轧工艺相比,其初次再结晶晶粒较细,且高斯晶核与特征晶界所占的比例较高,有利于高斯晶粒发生二次再结晶. Two common cold-rolling processes of grain oriented silicon steel and the effects of the single stage cold rolling and tw o-stage cold rolling w ith intermediate annealing processes on the primary recrystallization microstructure and texture w ere investigated. The results revealed that for the grain oriented silicon steel prepared under the tw o-stage cold rolling process w ith intermediate annealing w ith Cu 2 S as the main inhibitor,the average grain size of the primary recrystallization micr... 
2014-02-28 194 5.8

本发明提供了一种CSP流程生产高效冷轧无取向电工钢及生产方法,成分:C≤0.0030%、Si 1.00‑1.70%、Als≤0.0050%、Mn 0.10‑0.30%、Sn0.01‑0.3%、P≤0.050%、S≤0.0080%、N≤0.0030%、Nb≤0.0030%、V≤0.0030%、Ti≤0.0030%,其余为Fe以及不可避免的杂质。与现有技术相比,本发明CSP流程生产高效冷轧无取向电工钢的方法,通过控制钢中的化学成分,并采用合适的生产工艺,实现了表面质量优良,低铁损、高磁感、低制造成本且生产高效。
2021-10-11 220 6.8

以构建高磁感、低铁损、免轧制高硅电工钢铁芯为出发点,提出采用单辊甩带制备非晶铁硅合金薄带、微氧化法在铁硅合金粉末表面包覆高电阻率铁硅氧化物薄膜制备核壳异质结构高硅电工钢纳米粉末、放电等离子烧结快速成形制备颗粒间绝缘的高硅电工钢铁芯。研究了不同氧化包覆时间对SPS烧结试样密度、物相组成、微观结构和静磁性能的影响。研究表明,在氧化包覆5h烧结温度800℃工艺条件下,制备的6.5%Si高硅电工钢铁芯的静磁性能最佳,饱和磁化强度为128.84A.m2/kg、矫顽力为2.25kA/m、剩磁为3.47A.m2/kg。其饱和磁化强度与粉末压延法制备的高硅钢相当,但矫顽力降低了1/3。 The paper takes preparation 6.5%Si steel with high induction,low core loss and removing rolling as the starting point,amorphous Fe-Si ribbons was synthesized by melt spinning method,6.5%Si steel nanopowders with high resietivity core shell structure was prepared by the slight oxidation process and 6.5% Si steel iron core with evaluating internal was sintered by spark plasma sintering process(SPS).The essay focuses studies the effects of different oxidation cladding time on sample density,phase c... 
2013-10-28 154 5.8

分析了冲裁硅钢芯片时出现的质量问题,针对影响硅钢芯片冲裁质量的4大因素——人、原材料状态、工艺和工装进行了工艺试验和分析,根据原材料状态的差异,采用不同工艺方案,特别是如何合理选择冲裁模具间隙,解决了硅钢芯片冲裁时产生的主要质量问题,使冲裁的硅钢芯片达到最佳质量状态,并满足硅钢芯片的使用性能。 The problems occurred during silicon steel chip punching and the factors that affect the quality of silicon steel chip punching were analyzed,the factors include 4aspects,that is,people,raw material status,process and frock,at the same time,process tests and analysis aimed at the factors that affect punching quality were did,according to the difference of raw material status,corresponding process schedules wee taken,especially in how to reasonably select punching dies clearance,which solved the ... 
2013-10-28 129 5.8

本发明涉及硅钢片铁芯性能测试技术领域,公开了CD型硅钢片铁芯性能测试工装,包括:机台,上部后侧固定有竖直向上的后侧板;托板,水平设置在所述机台上方;夹持机构,设置在所述机台上,所述夹持机构包括:第二气缸,其驱动杆端部固定套接有夹持块,夹持块外端部固定有橡胶缓冲块;橡胶垫,固定在所述托板右侧上部。本发明通过设置第一气缸驱动连接于托板,可以先根据硅钢片的厚度,通过操作气缸控制器控制第一气缸工作带动托板在机台上进行升降高度,从而调整托板与夹持块的高度差,提高装置的实用性和广泛性,较为实用,适合广泛推广和使用。
2021-05-14 169 6.8

本发明属于金属材料加工技术领域,具体涉及取向硅钢罩式炉高温退火低保温阶段节能工艺,包括:1)将涂镁取向硅钢卷装入密闭的罩式炉中,并向罩式炉内通入氮气将炉内氧气充分排出,使炉内氧含量浓度≤300PPm;2)通电升温并将氮气转换为10m3/h氮气与氨分解气的混合气体,升温2h将温度升温至500‑600℃后,恒温13h;3)将温度氮气与氨分解气的混合气体转换为12m3/h氨分解气,并升温2h将温度升至650℃恒温15h,使内部气体露点小于‑10℃;本发明提供退火工艺,钢卷在高温下不被水蒸汽氧化,消除钢带表面露金、发红、发黑、水印、色泽不均、导通缺陷,降低钢带铁损、提高磁感、降低生产成本。此外,本发明进一步减少退火过程中氨分解气的用量,具有极高的工业应用价值。
2021-04-30 200 6.8

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... 
2014-02-28 228 5.8

【作者】 程志明; ...
2014-06-28 148 5.8

本发明特别涉及一种控制边部翘皮的热轧电工钢的生产方法和生产系统,属于钢表面质量检测技术领域,方法包括:建立热轧电工钢边部翘皮的数据库,数据库包括翘皮类型及各翘皮类型的翘皮发生原因和翘皮发生的区域;对待质检的热轧电工钢表面进行识别,并对比数据库,获得待质检的热轧电工钢表面翘皮的翘皮类型;根据待质检的热轧电工钢表面翘皮的俏皮类型获得该类型翘皮的翘皮发生原因和翘皮发生的区域;根据翘皮发生原因和翘皮发生的区域,调整生产操作,用以减少热轧电工钢的边部翘皮;通过对边部翘皮进行准确分类及识别,能够准确的分辨出边部翘皮的产生原因,采取有针对性的措施防止缺陷扩大,最大程度的降低缺陷发生量,提高质量控制水平。
2021-07-28 203 6.8

以试验室模拟CSP工艺生产的Fe-3Si热轧钢带为研究对象,采用正交试验及方差分析的方法,研究了取向硅钢初次再结晶退火工艺对高温退火后获得锋锐的高斯织构的影响。结果表明:取向硅钢两段式初次再结晶脱碳退火工艺参数加热段保温时间及加热温度是高温退火后获得锋锐高斯织构的主要影响因素,其可信度分别在90%和85%以上;在本试验条件下,通过正交试验获得的最佳退火工艺为:冷硬板经600℃保温3 min和850℃保温6 min。 Fe-3Si hot rolled strip was produced by simulating CSP technology in the laboratory.Orthogonal experiment and analysis of variance were carried out to investigate the influence of primary recrystallization on the sharp Goss texture of the oriented silicon steel.The results show that holding time of the heating section and the heating temperature for a sharp Goss texture of the samples annealed has important implications in this experiment conditions,the two-step decarburization annealing process... 
2013-02-28 179 5.8

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