硅钢资料

森吉米尔二十辊轧机是冷轧电工钢的主要机型,具有整体刚度大,辊径小,轧制道次压下量大,产品精度高等特点,简要介绍了近年来冷轧电工钢森吉米尔二十辊轧机领域进展,在轧机结构、厚度自动控制、板形自动控制等方面的技术及研究。 20-h Sendzmir reversible mill is the main type of cold rolled electrical steel which has the characteristic of high integral stiffness,small roller diameter,high pass reduction and high product quality.In this paper,the recent progress of frame structure,automatic gauge control,automatic flatness control of Sendzmir mill is introduced. 

在实验室模拟CSP流程制备了不同含量稀土铈(质量分数0~0.018%)的1.2%Si无取向电工钢,并对其进行1 000℃×5min的再结晶退火处理,研究了铈质量分数对无取向电工钢夹杂物、显微组织、再结晶织构和磁性能的影响。结果表明:随着铈质量分数的增加,微细夹杂物数量、再结晶晶粒尺寸、{100}和{110}织构组分、磁感应强度先增后减,{111}织构组分、铁损先减后增;铈的质量分数为0.005 1%时,钢中的夹杂物数量最少,再结晶晶粒尺寸最大,有利织构最多,磁性能最优,铁损P15/50为3.253W·kg-1,磁感应强度B50为1.751T。 Non-oriented electrical steels containing different contents rare earth Ce element(0-0.018wt%) were prepared in the laboratory by simulated CSP(compact strip production)process,and then recrystallization annealing at 1 000 ℃ for 5 min were performed,the effects of Ce content on inclusion,microstructure, recrystallization texture and magnetic properties of non-oriented electrical steels were studied.The results show that with the increase of Ce content,the amounts of fine inclusion,the size of re... 

本实用新型公开了一种硅钢炉用保护气的循环系统，包括与硅钢炉群排气管相连通的氢气提纯净化单元、与氢气提纯净化单元相连的氮氢配比单元以及与氮氢配比单元相连的用于对氮氢混合气中加入水蒸气的加湿单元；所述加湿单元与硅钢炉群的进气管相连通。本实用新型便于对尾气中的氢气回收再利用，可节省资源。本实用新型适用于硅钢退火炉等设备中，用于实现氢气的循环再利用。

综述了电工钢从生产到成品过程中涉及到的检测项目、检测方法及仪器,并通过对电工钢标准的发展改进,详细阐述了我国现有的电工钢技术标准体系,同时对代表企业的电工钢重点指标进行了摘录对比,为综合应用电工钢检测方法并促进电工钢的发展提供了一定的参考。 This article summarizes the testing items,methods,and instruments involved in the process from manufacturing to finished products of electric steel. The current electric steel technical standards system in our country is also elaborated in detail,along with the development and improvement of electric steel standards. Meanwhile,by comparison of electric steel KPI in representitive companies,this article provides references for comprehensive application of electric steels testing methods and promo... 

采用中、厚板坯生产技术对取向硅钢进行了研制和开发,对热轧及后工序样品进行了金相组织观察和EBSD分析,探讨了两种组织及织构的差异性,研究结果表明:除高温退火样品外,中板坯生产的取向硅钢各工序样品平均晶粒尺寸大;厚板坯生产的取向硅钢热轧和常化样品亚表层Goss织构强;中板坯和厚板坯的脱碳退火板织构没有明显区别。中板坯生产的取向硅钢成本低,产品磁性能和质量与厚板坯相当。 Grain oriented silicon steel was researched and developed by medium thickness slab and thick slab.Microstructures observation and EBSD analysis to the samples of hot rolling and following processes were carried out,respectively.The differences between the two kinds of microstructures and textures were discussed.The results show that the average grain sizes of every process samples are larger except that of high temperature annealing samples of grain oriented silicon steel produced by medium thic... 

本发明公开了一种硅钢片宽度偏差检测装置及其检测方法，属于硅钢片检测领域。一种硅钢片宽度偏差检测装置，包括检测装置上的第一输送机体，还包括：多个均匀分布的隔板，均固定安装在第一输送机体的皮带表面；开槽，设置在所述第一输送机体的侧壁；装置盒，通过上下滑动机构与所述第一输送机体连接，其中，所述装置盒内通过顶紧机构滑动安装有滚轮；第一支架，固定安装在第一输送机体的侧壁；装置板，通过转轴转动连接在第一支架的侧壁，所述转轴位于装置板的侧壁中部，所述装置板两端设有自动推料机构；本发明中的硅钢片宽度偏差检测装置不仅可以更高精度的检测硅钢片的宽度，并且还能将不达标的硅钢片自动筛选出来，使用更加的方便。

采用铸坯低倍组织检验和化学分析的方法,研究板坯连铸机二冷区电磁搅拌器电流和频率参数对无取向电工钢XG800WR板坯中心偏析和等轴晶率的影响,结果表明:铸坯等轴晶率随着搅拌器电流强度和电流频率的增大而增加。采用二冷区电磁搅拌可减小中心易偏析元素S的偏析,试验得出:减小铸坯S偏析效果最好的电磁搅拌参数为电流380～400A,频率6Hz。 The effect of electromagnetic stirring current and frequency parameter at secondary cooling area on the central segregation and equiaxed crystal ratio of XG800WR non - oriented electrical steels slab was investigated through the methods of chemical and macrostructure analysis.The results shows that the rate of equiaxed crystal zone is going up with increasing of current intensity and current frequency.Electromagnetic stirring in the secondary cooling area can be easily reduced segregation caused... 

本实用新型涉及卷绕机技术领域，且公开了一种硅钢片卷绕机连接调节机构，包括两个支撑板，两个支撑板的顶部之间水平固定连接有横板，两个支撑板的下端均开设有安装口，两个安装口之间水平设有安装板，安装板的底部两端均垂直连接有驱动液压缸，驱动液压缸的底部分别连接在对应位置处的安装口内；安装板的一侧开设有条形口，条形口内水平连接有若干支撑杆，条形口的两端底部均垂直连接有固定板，两个固定板之间水平连接有若干横杆，横杆上沿长度方向等距设有若干移动座，移动座的顶部垂直连接有分隔板。本实用新型设置的分隔板可对硅钢带进行分隔，且设置的剪切刀向下对硅钢带进行切割，提高了装置的实用性。

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。

本发明特别涉及一种中频用取向硅钢极薄带及其钢基板的制备方法，属于硅钢极薄带制备技术领域，方法包括：将硅钢原料进行冷轧，获得硅钢薄带；将硅钢薄带进行退火，退火采用至少3段式连续退火工艺，获得钢基板；采用本法制得的钢基板制备的中频用取向硅钢极薄带具备优良的磁性能和板形，采用多段式退火，获得稳定的成品性能，制造工艺简单，可实施性高，采用无底层取向硅钢作为母材，节能环保，产品表面质量好，产品可满足中频条件下(≧400Hz)的使用要求。

试验研究了球刻痕法对高磁感取向硅钢的铁损、矫顽力、相对磁导率、巴克豪森噪声等磁学性能的影响.研究结果表明:经过球刻痕处理后,高磁感取向硅钢的铁损明显降低,矫顽力下降,8 mm球刻痕过后铁损值与矫顽力分别下降16.2%和14.7%,且铁损和矫顽力均随刻痕间距降低而减少.刻痕后的高磁感取向硅钢磁导率在高磁感应强度下明显上升,刻痕后巴克豪森噪声值明显降低,经过对比分析确定8 mm为球刻痕的最佳刻痕间距.从磁畴观察、细化磁畴的原理等方面解释了细化磁畴对高磁感取向硅钢性能的影响原因. The effects of the ball scribing on magnetic properties of high permeability grain-oriented silicon steels,including the iron loss,coercive force,relative permeability,and Barkhausen noise were investigated. The results showed that the iron loss and coercive force of the high permeability grain-oriented silicon steels apparently decreased 16. 2% and 14. 7% respectively after 8 mm ball scribing and they both decreased with the decrease of the scribing spacing at the same magnetic flux density. At... 

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...