硅钢资料

该电磁钢板为母材钢板的其中一个或两个表面中的至少一部分被具有接合能力的绝缘被膜覆盖的电磁钢板，所述绝缘被膜的25～100℃的温度范围的对数衰减率为0.3以下。

本实用新型提供一种定子铁心硅钢片固定结构，包括硅钢片堆叠结构、扣片，所述硅钢片堆叠结构由多个硅钢片层层堆叠而成，所述硅钢片沿边缘处设有多个凹槽，多个硅钢片堆叠后，其凹槽形成一条条通槽，所述扣片扣在通槽上，其扣片的两端设有弯折面将硅钢片堆叠结构的两端卡住，利用扣片的方式进行硅钢片固定，减少硅钢片导通现象，达到减少涡流损失的目的，扣片有极易更换的方便性，可轻易改变硅钢叠片的厚度，只需要更换扣片长度即可。

实验室模拟薄板坯连铸连轧(TSCR)流程制造高磁感取向硅钢,借助电子背散射衍射(EBSD)技术对不同Sn含量的热轧板织构进行了研究。研究结果表明:不同Sn含量热轧板表层及次表层均为高斯织构、铜型织构及黄铜织构的混合织构,中心层为{100}面织构;Sn含量为0.1%时,热轧板表层及次表层高斯织构组分最多,取向密度最大,成品磁感最高,达到1.875 T。 Texture of grain oriented silicon steel hot rolled by thin slab casting and rolling process(TSCR) in laboratory with different Sn contents was analyzed by electron back-scattered diffraction(EBSD).The results show that the hot rolled slabs with different Sn contents have the same texture,i.e.,Goss,Copper and Brass.Specifically,the texture of core layer is {100};While the hot rolled slab with 0.10% Sn,the surface layer and subsurface layer have a sharpness Goss texture and the finished products h... 

采用节能、环保、经济型的生产技术与工艺来制造高磁感取向硅钢目前已成为世界各大取向硅钢生产厂的研发热点。总结了国内外各大钢铁企业与研究机构采用低温板坯加热技术生产高磁感取向硅钢的开发及应用情况,概括了传统流程实现低温板坯加热技术的方法。介绍了薄板坯连铸连轧与双辊薄带连铸等短流程工艺生产高磁感取向硅钢的研发现状。在此基础上,探讨了高磁感取向硅钢生产技术与工艺的发展趋势及方向。 Utilizing energy-efficient,environmentally friendly,economic production processes and technologies to manufacture high magnetic induction grain-oriented silicon steel has become the focus of current research work.Based on using low-temperature slab reheating techniques to produce high magnetic induction grain-oriented silicon steel at both iron and steel enterprises and research institutions all over the world,the current application and exploitation was thoroughly generalized;the implementation... 

对取向硅钢在不同气氛下的高温退火工艺进行实验室模拟，利用X射线衍射仪（XRD）分析了硅钢退火至900℃和1170℃时的样品表面氧化层和底层的物相组成，采用场发射扫描电镜（SEM）观察了样品表面氧化层和底层在截面方向上的微观形貌特征，并计算了高温退火一次升温阶段氧化反应的吉布斯自由能以及900℃时退火气氛的氧分压。结果表明：当退火气氛的露点温度保持一定时，较高的氢气含量有利于生成完整连续的底层；当退火气氛的水氢分压比保持一定时，在露点温度与氢气含量两者较低的条件下，底层附着性不佳易脱落，较高条件下，底层中夹杂着较多的铁单质；当氧化层中无FeO时，底层完整连续但易脱落，当FeO层较薄时，底层下方存在部分未反应的SiO₂,当FeO层较厚时，底层不完整连续且有分层。 The high temperature annealing process of grain-oriented silicon steel in different atmospheres was simulated in the laboratory. X-ray diffractometer（XRD） was used to analyze the phase compositions of the surface oxide layer and forsterite film of the silicon steel annealed to 900 ℃ and 1170 ℃. Field-emission scanning electron microscopy（SEM） was used to observe the micro morphology characteristics of the surface oxide layer and forsterite film of the samples in the cross section direction. The ... 

研究了卷取工艺对一种新型含铜无取向电工钢晶粒尺寸、织构演变、铁损和磁感应强度的影响。结果表明,试样织构组分主要为{111}、{112}、{100}和高斯织构,在550℃卷取、保温2～3h,{100}织构有增强趋势,磁感应强度较高,铁损较低。 The effects of coiling process on grain size,texture,core loss and magnetic induction of a new cold rolled non-oriented electrical steel with copper were investigated.The results show that there are mainly {111},{112},{100} and {110}<001> texture.Coiling at 550℃and keeping for 2～3 hours,the {100} texture is enhanced,magnetic induction is higher and core loss is lower. 

为了提升新能源车用驱动电机的功率密度,各大电机厂商都在不断地提升电机转速,随之而来的问题就是电机的铁耗也在不断增高,如何降低电机铁耗成为了电机厂商必须要解决的难题。本文讨论了电机铁耗的组成部分及影响因素,并对1台8极48槽的永磁同步电机分别使用3种不同厚度的材料进行仿真,对比其效率及铁耗分布,推导出驱动电机中硅钢厚度、铁耗及成本的关系,最后对驱动电机选材提出建议。 In order to increase the power density of traction motor for new energy vehicles,major motor manufacturers have been constantly increasing the motor speed.The following problem that manufacturers have to solve is how to reduce the increasing iron loss when the motor speed is increased.The components and influencing factors of motors’ iron loss were discussed in this paper,and an 8-pole 48-slot permanent magnet synchronous motor using three different thickness materials was simulated.To compare i... 

本实用新型公开了一种变压器铁芯硅钢片纵剪缓冲保护装置，包括支撑立架、前挡横杆、后挡横杆、松弛检测组件和拉伸检测组件，所述支撑立架上在料带传送方向上间距设置有前挡横杆、后挡横杆，所述前挡横杆与后挡横杆均承托设置在料带的下方，所述前挡横杆与后挡横杆之间构成缓冲腔，所述缓冲腔内对应于料带的下方、上方分别设置有松弛检测组件、拉伸检测组件，所述松弛检测组件检测料带在松弛状态下的最低位置，所述拉伸检测组件检测料带在张紧状态下的最高位置，能够及时地对料带的松弛和拉伸程度进行监测，保证料带的缓冲安全。

本发明公开了一种硅钢退火密封设备，包括台车、内罩和密封介质，所述台车的上端面设双层环形凹槽，所述内罩对应扣在所述双层环形凹槽内，所述密封介质位于所述双层环形凹槽内，所述内罩为下端口内径大于上端内径的梯度内罩。本发明通过双层密封圈，将传统整体的密封圈变为两部分，下部分为固定密封圈，上部分为活动密封圈，当活动密封圈变形损坏时可以及时更换，不需要拆除耐材，降低了生产成本，同时，通过提高内罩底部直径，扩展了变形空间，延长了内罩的使用时间，同时，加大了底部的空间，有利于保护气体的流动，减少了钢卷与料盘接触面的粘带。

本实用新型公开了一种硅钢板带加工用表面成型设备，包括底座，所述底座的上端固定连接有底部支撑架，所述底部支撑架的上端固定连接有机体，所述机体的上端固定连接有密封盖。本实用新型在打磨过程中，水泵可以将过滤箱内的冷却液通过进液机构上的进液管泵入到进液机构内，再经过进液孔进入到第二转轴内，再进入到打磨辊筒内，最后经过喷头喷到钢带表面，对钢带表面进行冷却，且可以将打磨下来的粉末带走，防止粉末飘散；冷却在喷出后，经过集液斗的收集，进入到过滤箱内，在过滤箱内设置过滤网可以对冷却液进行过滤，从而可以对冷却液进行重复使用。

冷轧中中低牌号的无取向硅钢多采用万能凸度轧机(Universal crown mill,UCM)生产,其板形好坏受制于UCM轧机板形调节手段的协调使用。为掌握UCM轧机的板形控制特点,建立基于二维变厚度有限元的辊系弹性变形和基于三维差分的轧件塑性变形的六辊轧机耦合模型,对UCM轧机的板形调控性能进行详尽的分析,包括工作辊和中间辊弯辊、中间辊窜辊的调控功效、辊间接触压力分布等。在此基础上,提出可用指导生产的板形控制策略,指出UCM轧机在横向厚差控制方面的不足。针对工业生产中UCM轧机轧制无取向硅钢横向厚差大的问题,在大量仿真计算的基础上,开发具有高次曲线函数的边部变凸度(Edge variable crown,EVC)的工作辊。采用该工作辊后,各种品种的无取向硅钢的横向厚差不大于10μm的百分比由24%提高到99%,横向厚差的均值小于6μm,远小于之前的13μm。 Medium-low grade non-oriented silicon steel is rolled often by universal crown mill(UCM) during cold rolling.Its shape quality is dependent on the coordinated control of several shape adjustment devices of UCM.In order to understand the shape control characteristics of UCM,coupling model of six-high rolling mill,based on two-dimensional varying thickness finite element rolls elastic deformation model and three-dimensional finite difference strip plastic deformation model,is setup for the detaile... 

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.