硅钢资料

结合工业化生产的高效硅钢,进行了RH精炼稀土处理试验研究。针对不同的稀土处理条件,观察了夹杂物的形貌和尺寸分布,探讨了稀土处理后钢中的夹杂物形成、变化规律。结果表明:试验条件下,最佳的稀土合金添加数量为0.6～0.9 kg/t。经过合适的稀土处理后,可以有效抑制尺寸相对较小的、不规则的AlN、MnS复合夹杂生成,促进钢中微细夹杂物的聚合、上浮,钢质纯净度得到明显提高。此时,钢中全氧含量最低,脱硫效果最佳,钢中的夹杂物主要是尺寸相对较大的、近似球形或者椭球形的稀土类夹杂。 Based on the industrial production of non-oriented silicon steel,the experiment on RE treatment during the RH refining process was studied.The morphology and the size distribution were observed for the steel specimens treated with different RE treatment conditions.Further more,the formation and change of inclusions of final steel sheets after RE treatment were discussed.The results show that the suitable RE added amount was 0.6～0.9 kg/t.After the suitable RE treatment,the formation of AlN and Mn... 

基于TEAM(Testing Electromagnetic Analysis Methods)Problem 21基准模型和不同类型的磁化曲线Bm-Hm及Bm-Hb数据,分别在50 Hz至200 Hz的频率范围内计算了基准模型的硅钢叠片内的损耗及磁通,并考虑集肤效应和材料的电-磁各向异性的影响。数值计算结果与实验测量结果具有很好的一致性。提出的有限元建模方法和基于模拟结果的分析、结论有助于提高大型电力变压器的电磁设计的有效性。 Based on TEAM(Testing Electromagnetic Analysis Methods) Problem 21 standard model and the different B-H(such as Bm-Hm and Bm-Hb) curves,the iron loss and magnetic flux inside the grain-oriented(GO) silicon steel lamination are modeled under different frequency(from 50 Hz to 200 Hz) in this paper,And the influences of skin effect and electric-magnetic anisotropy on the numerical simulation results have been examined.The calculated and measured results with respect to the model are in good agreeme... 

通过对连退线SF炉内的电加热体的焊接技术进行总结分析,得出焊接时应采用的主要方法,采用本焊接方法可提高电加热体的焊接速度和焊接质量,保证了焊接质量和施工工期。 SF furnace for continuous annealing line heating body welding technology summary,the main method used in welding,welding method by using the electric heater to improve the welding speed and welding quality through the implementation of this method to ensure the welding quality and Construction period. 

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. 

结合实际生产0.4%Si无取向硅钢，统计了不含Sn和0.025%Sn无取向硅钢的磁性能变化，利用金相显微镜、X射线衍射仪观察分析不同成分下试样的显微组织和微观织构。试验结果表明：Sn元素可以显著降低无取向硅钢的晶粒尺寸，0.025%Sn试样的平均晶粒尺寸比不含Sn减小28.4%;加入Sn元素后抑制了无取向硅钢中不利于磁性能的{111}面织构组分强度，提高了对磁性能有利的{100}面织构组分强度，0.025%Sn与不含Sn相比磁感均值从1.756 T提升至1.768 T,铁损均值从5.476 W/kg降低至5.204 W/kg,明显改善了无取向硅钢磁性能。 In this paper combined with the actual production of 0.4% Si non oriented silicon steel, the magnetic properties of non oriented silicon steel without Sn and 0.025% Sn were counted. The microstructure and microtexture of samples with different compositions were observed and analyzed by metallographic microscope and X-ray diffraction. The results show that: Sn can significantly reduce the grain size of non oriented silicon steel, and the average grain size of 0.025% Sn sample is 28.4% smaller tha... 

本实用新型提供了一种带有可回收再利用功能的冷轧硅钢卷捆扎装置，底座上设有安装块一，加紧装置一安装在安装块一上，加紧装置一包括外壳，外壳内设有凹槽一，凹槽一内设有通口，凹槽一内设有气缸，气缸一端设有夹块，气缸一侧设有挡板，挡板安装在凹槽一上，外壳上设有凸块，硅钢卷进行捆扎，可以重复利用，加紧装置一与加紧装置二可以把硅钢卷两端进行固定吗，里面安装的气缸可以加紧硅钢卷，安装的吸盘可把加紧装置二的位置提高，方便进行固定上端，安装的承重块可以起到防止倾斜的作用，在不使用的时候加紧装置一与加紧装置二之间可以通过卡扣之间的连接进行固定。

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. 

本发明公开了一种高磁感取向硅钢实验室轧机一次冷轧方法，包括：1)取样，实验室冷轧材料选取经过常化酸洗后的厚度为2.3mm的取向硅钢试样；2)制样，利用取向硅钢专用剪板机，裁剪试样尺寸为轧向600mm×横向150mm；将试样表层轻涂一层薄薄的轧制油；3)冷轧轧制规程制定，轧前厚度为2.3mm；其中：轧制总道次为6次时轧后厚度为0.35mm，轧制总道次为7次时轧后厚度为0.27mm，轧制总道次为8次时轧后厚度为0.23mm。本发明的目的是提供一种高磁感取向硅钢实验室轧机一次冷轧方法，为工业试制提供一定的技术参考，以及后续工艺研究提供了更加可靠的试样和条件。

介绍了微合金元素锡、铌、稀土对无取向硅钢性能的影响,并扼要分析了这些元素对硅钢性能的影响机理:晶界偏聚元素Sn可细化晶粒提高硅钢磁性能;微合金元素Nb细化铁素体晶粒,提高硅钢的强度、韧性和塑性及磁性能;稀土元素(RE)在硅钢中的主要作用包括净化钢液、变质夹杂物、改善铸态组织和性能及微合金化,减少晶界上出现偏析的几率。 The influence of micro-alloy elements on properties of non-oriented silicon steel and the mechanism for effect of the micro-alloy elements including Sn、Nb and RE on the properties of steel are presented and analyzed in this paper.Grain boundary segregation elements Sn in steel can grain refinement and improve the magnetic properties;Micro-alloy elements Nb can refine the ferrite grain,increase the silicon steel strength,toughness and plastic;The main role of the RE in the silicon steel including... 

本实用新型公开了一种变压器铁芯硅钢片叠装平台，包括支撑架、升降装置、铁芯架和硅钢片支撑板；铁芯架为硅钢片叠放形成铁芯的作业架，硅钢片支撑板用于储放构成铁芯的硅钢片，铁芯架及硅钢片支撑板均通过升降装置活动设置于支撑架上，且在叠装作业过程中，铁芯架与硅钢片支撑板通过升降装置驱动同时升降。本实用新型提供的一种变压器铁芯硅钢片叠装平台，提高铁芯叠装作业的便捷性，降低劳动强度，提高效率。

本发明涉及收卷装置技术领域，且公开了一种用于硅钢片横剪线的卷料自动上料装置，包括底座，所述底座顶端固定连接有底托，所述底托的顶端活动连接有外筒，所述外筒的中间通过轴承活动连接有阻力轴，所述阻力轴的正面固定连接有内筒，所述内筒外侧与外筒内侧的中间活动连接有连轴，所述连轴的中间固定连接有送料电机，所述送料电机的一侧固定连接有卷轴卡辊。本发明将原本固定式卡辊及送料电机，设置为可绕外筒内壁进行移动的活动式卡辊，在进行上料时通过外筒将卷轴卡辊旋动至底端进行直接上料，无需停机替换，提高了卷料替换的连续性，同时避免了使用吊车进行吊装过程中吊装不稳定造成的上料精度不高和卷轴掉落损坏等问题。

本发明公开了一种激光刻痕降低取向硅钢铁损的制造方法，采用0.23‑0.35mm厚取向硅钢作为原材料，钢带在拉伸热平整线出炉后进行激光刻痕处理，细化磁畴，进而降低取向硅钢成品铁损值，达到优化磁性能的目的。本发明的激光刻痕处理后取向硅钢的铁损改善率可达到9‑16％，且经过500℃以上退火后，铁损又恢复到刻痕前状态。