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根据本发明的一个实施例的取向电工钢板的制造方法,其包含:对板坯进行热轧,以制造热轧钢板的步骤;对热轧钢板进行热轧板退火的步骤;对热轧板退火后的热轧钢板进行一次冷轧的步骤;对一次冷轧后的钢板进行一次脱碳退火的步骤;对完成脱碳退火的钢板进行二次冷轧的步骤;对完成二次冷轧的钢板进行二次脱碳退火的步骤;以及对二次脱碳退火后的钢板进行连续退火的步骤。
2020-12-17 341 6.8

对应用动态加热进行短时温度退火的取向电工钢进行了二次再结晶研究。所进行研究的实验用取向电工钢是经过终冷轧和后续罩式退火后的一条工业化生产线生产的。研究结果表明,运用短时热处理条件可引起研究钢完全的异常晶粒长大。在实验室处理的材料的织构和金相组织与工业化生产的经过终退火而获得的相同的取向电工钢类似。但是,在实验室处理的取向电工钢的二次再结晶的矩阵中可观测到\"寄生\"晶粒。从磁性观点看,这些\"寄生\"晶粒含有不理想的{111}取向织构。 The present study was made to investigate secondary recrystallization in grain-oriented steels annealed at short time temperature exposures with application of dynamical heating.The investigated GO(Grain Oriented) steels for experiments were taken from one industrial line after final cold rolling reduction and subsequent box annealing.It was shown that application of short time heat treatment conditions could lead to complete abnormal grain growth in the investigated GO steel.The texture and mic... 
2011-04-28 199 5.8

为开发高效电机用冷轧无取向电工钢,借助实验室薄板坯连铸连轧模拟设备及扫描电镜、透射电镜等检验手段研究了成分、组织、织构和析出物等对无取向电工钢磁性能的影响规律;结果表明:常化处理使组织均匀化并增加有利于磁性提高的织构组分;采用CSP流程开发的高效电机用无取向电工钢铁损平均值3.4 0 W/kg,磁感≥1.68 T。 In order to develop electrical steel for high efficiency motor,effect of components,microstructure,texture and precipitation on magnetic property of electrical steel are analyzed.From the result,normalizing treatment makes microstructure uniform and increases component of favorable texture.Iron loss of electrical steel developed by CSP line is 3.40W/kg and magnetic induction is more than 1.68T. 
2011-01-28 223 5.8

本实用新型提供一种硅钢片模具产品的吸料装置,包括固定架、电动伸缩杆、微型吸气泵、操作台、吸气机构以及放置机构,所述固定架上表面设有电动伸缩杆,所述固定架上表面设有微型吸气泵,所述微型吸气泵右端面设有吸气口,所述吸气口右端设有气管,所述电动伸缩杆底部设有吸气机构,所述吸气机构底部设有操作台,所述操作台上表面设有固定柱,所述固定柱前表面设有放置机构,与现有技术相比,本实用新型具有如下的有益效果:通过设置的橡胶套,代替手进行硅钢片的取料,通过设置固定杆,实现橡胶套的自动放料,更安全,通过设置的放置机构,实现硅钢片倾斜放置,方便进行硅钢片的拿取进行变压器装配。
2021-01-05 290 6.8

采用经验设计法初步确定了取向硅钢铸坯感应加热线圈设计参数,应用Ansoft仿真软件分别对36组不同线圈高度、线圈内径的感应加热炉在不同频率下的三维整体磁场和铸坯的温度场进行了数值仿真。通过对比仿真结果,确定电磁场分布最佳的一组感应加热炉设计参数为线圈高度h=1.50 m、线圈内径D1=0.575 m、电流频率f=110 Hz。在该参数下应用Ansoft仿真软件对取向硅钢铸坯感应加热炉的温度场进行了仿真,结果发现温度场分布均匀,可满足取向硅钢铸坯加热要求。 The induction heating coil design parameters for the oriented silicon steel casting blank were determined preliminary by experience design method,and 36 groups three-dimensional electromagnetic field with different height and inside diameter of coil under different frequencies of the induction heating furnace and the temperature field of the casting blank were investigated by numerical simulation using Ansoft simulation software. By comparing the simulation results of electromagnetic field distr... 
2014-01-28 263 5.8

本发明涉及到一种铸铝转子硅钢片、采用该硅钢片的转子及制造转子的方法,该铸铝转子硅钢片包括圆形板片状本体,本体中心开设有转轴孔,本体上还以转轴孔为中心周向均布有多个铸铝孔,本体外缘设置有与铸铝孔一一对应的凹槽,本体两侧侧面均涂覆有绝缘层。采用上述硅钢片的转子包括转轴,所述转轴上套接有铁芯,该铁芯由大量上述的硅钢片层层叠压而成,每片硅钢片上的铸铝孔均相互正对,在铁芯上形成多条贯穿铁芯的通孔,每条通孔内设置有一条导条,铁芯两端分别连接有导电端环,各导条的两端分别伸出通孔与导电端环电性连接,各导条对两导电端环的拉力使两导电端环紧压在铁芯两端。
2021-06-08 255 6.8

提出了一种基于爱泼斯坦方圈族(包括标准25cm爱泼斯坦方圈、缩比的17.5cm和20cm爱泼斯坦方圈)和二级加权处理方法对爱泼斯坦测试数据,包括有效磁路长度、比损耗、励磁功率,进行处理的晶粒取向电工钢磁性能扩展模拟方法。详细地考察了励磁频率、试样剪切角度和环境温度对爱泼斯坦方圈测量结果的影响。研究结果表明,利用本文提出的爱泼斯坦方圈组合以及二级加权处理技术,可以有效地建立取向电工钢损耗模拟模型,从而更加准确地确定了取向电工钢的损耗,改善并提高了爱泼斯坦磁性能测试数据的应用价值。 The extended modeling of the magnetic properties of GO(grain oriented) electrical steel is presented in this paper which is based on a set of standard and scaled-down Epstein frames and a proposed two-level weighted processing of Epstein data, including the mean magnetic path length, specific magnetization loss and exciting power. The effects of excitation frequency, strip angle and ambient temperature on the results obtained from the Epstein frames are investigated. It is shown that using the p... 
2014-09-28 372 5.8

在实验室试制了TSCR流程的低碳低硅无取向硅钢,研究了在850~1050℃不同温度常化对冷轧量0.5mm厚钢板再经950℃×7min退火后的组织、织构和磁性能的影响。结果表明:随常化温度的升高,使热轧板晶粒尺寸增大,晶界更清晰,组织均匀性更好;由于第二相AlN和MnS析出物尺寸比较大,使冷轧退火后钢板晶粒也随常化温度升高呈单调增大趋势;γ有利织构和{111}、{112}不利织构与常化温度升高同时增强,但前者增强更多;冷轧板退火后铁损随常化温度升高呈单调下降,磁感呈单调上升趋势。 The low-carbon and low-silicon non-oriented silicon steel was prepared by thin slab casting and rolling(TSCR) in lab.The effect of normalizing at different temperatures in 850-1 050℃on microstructure, texture and magnetic properties of 0.5 mm cold-rolled sheets after annealing at 950℃for 7 min was researched. The results show that with increasing the normalizing temperature,the grain size of hot-rolled sheets increased,the grain boundaries were more clear and the rnicrostructure uniformity was b... 
2011-03-28 271 5.8

本发明公开了一种取向硅钢微观织构EBSD试样制样方法,包括:1)取样,采用线切割机制取向硅钢试样;2)制样,采用热镶嵌机镶制取向硅钢试样,按照常规方法进行粗磨、细磨、抛光、清洗、吹干;采用240目、400目、600目氧、800目、1000、2000目氧化铝砂纸对试样依次进行一次打磨处理;采用5.0um高效金刚石抛光剂对试样进行抛光处理;3)电解抛光,取向硅钢试样机械抛光后再进行电解抛光。
2021-02-04 206 6.8

简要介绍了宝钢无取向电工钢的发展历程、产品大纲、电磁性能控制情况,以及高附加值新产品的开发、应用情况。概述了近年来宝钢无取向电工钢生产技术进步,主要包括夹杂物控制技术、连轧机高牌号硅钢制造技术、同板差控制技术、环保涂层开发技术等。 This paper briefly summarizes the development history, product catalogue, and magnetic properties of non-oriented electrical steel sheets at Baosteel, as well as the development and application of high-value-added steel grades. Recent advances in manufacturing electrical steel sheets are also introduced, including technologies for controlling inclusion, producing high-grade steel strips by a tandem rolling mill, and controlling the transverse thickness difference of steel sheets, as well as the ... 
2014-05-28 216 5.8

阐述了电工钢在\"双碳\"中的作用,强调了电工钢的生产工艺技术及在减少碳排放、降低能耗中的作用,对下游能效升级带来明显的节能及降碳成果。同时,分析了2021年电工钢的生产运行情况,介绍了电工钢的未来发展,并针对如何减少碳排放以及生产更多的更低铁损、更高磁感的电工钢谈了几点启示。 The effects of electrical steels on carbon peak and carbon neutralization were expounded,especially on the achievements of obvious energy saving and carbon reduction to the downstream energy efficiency upgrading bringing from the production technology of electrical steels and their effects to reducing carbon emission and energy consumption.Meanwhile the production situation of electrical steels in 2021 was analyzed,and the future development of electrical steels was introduced,and some advices w... 
2022-01-28 228 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。
2021-09-30 185 6.8

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