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对冷轧无取向硅钢在冶炼过程中各个工序的顶渣进行了检测,分析了顶渣变化原因,并得出结论:硅钢生产宜采用复吹转炉,以降低吹炼终点渣中TFe含量,进而减轻对精炼的压力;使用低S、低Al2O3含量中间包覆盖剂;RH脱氧及合金化顺序采用先加硅铁后加铝;首罐宜经LF提温并降低渣中TFe。 The top-surface slag used for the various production processes in smelting coldrolled non-oriented electrical steel is tested and based on tested results the cause of the top surface slag change is analyzed.So it is concluded that the combined blown converter is more suitable to be used for smelting electrical steel in order to reduce the content of TFe in slag at blow end point and then much better results can be achieved during the period of refining.Secondly the tundish flux contenting low co... 
2013-03-28 22 5.8

本实用新型涉及硅钢生产设备技术领域,具体公开了一种硅钢清洗用多段式清洗辊结构,包括中间辊和可拆卸连接在中间辊两端的支撑辊,所述中间辊和支撑辊的外径相等,中间辊与支撑辊的外壁上均固定有刷毛,所述支撑辊远离中间辊的端部为封闭设置,且同轴固定有转轴。采用本专利中的清洗辊结构,只用更换中间辊即可,无需对整个清洗辊进行更换,节省了设备成本投入;另外将支撑辊远离中间辊的端部为封闭设置,则是为了防止在工作时,液体渗入,避免对清洗辊的内部结构产生腐蚀等问题。
2020-12-29 20 6.8

通过实验室25 kg真空感应炉冶炼和锻轧研究了0.26%~0.95%Al含量对0.5 mm 2.2%Si无取向硅钢冷轧板组织、织构和磁性能的影响。试验结果表明,0.26%~0.81%Al含量时,随钢中Al含量的增加,成品退火钢板的晶粒尺寸增加同时铁损减少;当Al含量大于0.81%时,随Al含量增加,钢板的晶粒尺寸减小,同时铁损增加。Al含量对硅钢板磁感的影响没有明显的规律。2.2%Si无取向硅钢的合适Al含量为0.48%~0.81%。 The effect of 0.26%~0.95%Al content on structure,texture and magnetic performance of 0.5 mm cold rolled sheet of 2.2%Si non-oriented silicon steel has been studied by a 25 kg vacuum induction furnace smelting,and forging -rolling in laboratory.Results show that as 0.26%~0.81%Al,with increasing Al content in steel the grain size of annealed finished sheet increases while iron loss of sheet decreases,and as Al content in steel is more than 0.81%,the grain size of sheet decreases while iron loss in... 
2011-06-28 29 5.8

本实用新型公开了高磁感冷轧无取向硅钢卷,包括硅钢卷本体,所述硅钢卷本体由硅钢板、电磁屏蔽层与耐磨层组成,且硅钢板的内部包括有第一夹层与抑制剂层,所述电磁屏蔽层电镀于硅钢板的表面,所述耐磨层电镀于电磁屏蔽层的表面,所述第一夹层的内部由硅元素与锰元素组成,所述抑制剂层的内部主要由磷元素与硫元素组成,所述电磁屏蔽层为铝箔材质制成,所述耐磨层为金属铬制成。本实用新型中抑制剂层的内部主要由磷元素与硫元素组成,同时锰与硫元素形成取向硅钢中重要的抑制剂MnS,保证硅钢板中再结晶组织的完整性,能提高取向硅钢的电阻,提高硅钢板的磁性能,使电阻率变大可有效降低铁损,保证硅钢板在热轧过程中组织性更加均匀,提高硅钢板的加工质量。
2021-05-20 13 6.8

根据现场实际的生产控制情况,指出了热轧原料断面轮廓缺陷以一定的比列遗传给了冷轧带钢,分析了不同热轧原料断面轮廓对冷轧电工钢尺寸精度的具体影响,提出了相应的规律。并阐明了严格控制热轧原料断面轮廓形貌,对保证冷轧电工钢尺寸精度具有重大意义,对于中国现行的冷轧电工钢生产具有指导意义。 Based on the actual situation of production control,it was pointed out that the section profile defects of hot-rolled raw materials were geneticed to the cold-rolled strip.The specific impact analysis for the profile of different hot-rolled raw materials to the dimensional accuracy of cold-rolled silicon steel was analyzed.As a result, the corresponding orderliness are given;And the strict control to section profile of the hot-rolled material is of great significance to ensure the dimensional ac... 
2014-01-28 10 5.8

对3层高硅电工钢复合板铸坯进行热轧及温轧变形加工后,采用正火、退火两种热处理方式处理,并观察轧制过程中产生的裂纹,研究不同状态下复合板的磁性能。对不同状态下的试样进行扩散退火处理,研究复合板中裂纹变化及其对磁性能的影响。结果表明:不同热处理工艺下合金内部的裂纹尺寸差异明显,裂纹尺寸对复合板的磁性能影响显著,相对于深裂纹,其他因素的影响较小;温轧变形加工后,复合板内层出现有序组织,但该有序组织在合金存在深裂纹的前提下并不能从本质上提高合金的磁性能;扩散退火工艺可以消除复合板内部的浅裂纹及微裂纹,但不能消除尺寸较大的裂纹,故而不能显著提高存在深裂纹的复合板的磁性能。 After hot rolling and warm rolling deformation processing of casting billet for three-layer high silicon electrical steel composite plate, it was normalized and annealed for heat treatment. Then, the cracks produced during the rolling process were observed, and the magnetic properties of composite plate in different states were also investigated. Furthermore, the samples in different states were subjected to diffusion annealing treatment, and the changes of crack in composite plate and their eff... 
2022-02-28 46 5.8

利用EBSD技术研究了电工钢中不同的柱状晶尺寸及退火工艺下{100}织构的演变规律。结果表明,初始晶粒尺寸的影响最显著。细小柱状晶热轧后经过常化处理,组织已均匀,但中心层有强{100}织构。粗大柱状晶中{100}织构的遗传性强,常化及中间退火后,中心层仍有粗大的以{100}取向为主的晶粒;脱碳退火后才能完成组织均匀化和织构梯度的弱化。常化时的升温速度也对织构演变存在影响,低的升温速度有利于{100}织构的保留,但升温速度的影响没有初始晶粒尺寸及退火次数的影响显著。细小柱状晶样品经过热轧及三次退火工艺适合制备取向电工钢。 Evolution of {100} texture of different columnar grains and annealing process was investigated in electrical steels with the help of EBSD technique.The results show that the effect of initial grain size is the strongest.The initial fine-grained specimen shows uniform microstructure after the normalizing process,while {100} grains appear preferentially in the central layer of sheets.The heredity of {100} texture in the initial coarse-grained specimen is more significant.{100} mainly-oriented coar... 
2013-08-28 35 5.8

本发明涉及到一种铸铝转子硅钢片及采用该硅钢片的转子,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 17 6.8

【作者】 王爱华; ...
2013-10-28 8 5.8

在Gleeble-3500热/力模拟试验机上对HW600钢进行高温压缩试验,研究在不同试验条件下的变形抗力。试验结果表明:变形温度对变形抗力的影响最为显著,在相同的变形速率下,随着变形温度的升高,变形抗力降低;在同一变形温度下,变形速率增大,变形抗力增加;在同一变形温度、变形速率下,随着变形程度的增加,变形抗力急剧增大,真应变达到0.1后,变形抗力增加趋势变缓。 The high-temperature compression test is done for HW600 steel with Gleeble-3500 thermal simulation testing machine to research its resistance to deformation under different test conditions.It is showed from result that deformation temperature has greatest effect on the resistance,and along with the temperature getting higher the resistance lowered under same deformation rate;the resistance increases along with deformation rate getting greater under same temperature;and under same deformation tem... 
2013-04-28 10 5.8

本发明涉及金属加工技术领域,且公开了一种电机硅钢片加工方法,包括底板,所述底板的顶面活动连接有夹板,所述底板的顶面固定安装有固定板,所述固定板的中部活动连接有螺纹杆,所述螺纹杆的表面固定安装有齿轮一,所述底板的顶面固定安装有固定轴,所述固定轴的顶端活动连接有齿圈。该电机硅钢片加工用码垛装置及其操作方法,齿圈在旋转时带动啮合齿旋转,通过啮合齿与齿轮一的啮合带动齿轮一转动,齿轮一在转动时通过与夹板底端的啮合,可以带动三个夹板同时移动,从而可以改变三个夹板之间的面积值,从而实现装置可以对不同规格的硅钢片进行码垛,操作简单,降低了操作人员的劳动强度。
2021-01-22 25 6.8

本发明涉及硅钢板技术领域,尤其涉及一种硅钢板毛刺修整机,包括工作台,所述工作台顶端面的一侧通过升降座安装有打磨机构,工作台顶端的另一侧设置有连接柱,连接柱上部的一侧水平安装固定有横梁,横梁底端面的中部竖直安装有液压杆,液压杆的底端安装有打磨机构,且上、下两个打磨机构交错分布,本发明中通过上、下两个打磨机构的主打磨带对硅钢板的顶端面和底端面进行打磨,副打磨带对硅钢板的侧端面进行打磨,从而能够对硅钢板的水平端面以及侧端面同时进行打磨去毛刺,提高了硅钢板整体毛刺修整的效率。
2021-08-05 12 6.8

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