硅钢资料

某厂对电工钢的轧制策略进行了优化，粗轧道次由“1+5”改为“1+3”。在优化后的生产过程中，每次变换钢种，烫辊材就会出现窄尺现象，而紧随其后的电工钢板则出现超宽现象。文中针对该问题，介绍了宽度设定模型和宽度自适应模型的原理，阐述了该问题出现的原因及解决方案，并通过对宽度自适应模型的应用研究及优化攻关，有效地解决了问题，大幅提升了实物质量，降低了宽度封锁率。 The rolling strategy of electrical steel was optimized in a factory,and the rough rolling pass was changed from “1+5”to“1+3”.Subsequently,the following problems were occurred in the production process:when the steel grade changed,the roasting roller steel before the electrical steel appeared the narrow width phenomenon,and then the electrical steel appeared the ultra-wide phenomenon.This paper introduced the principle of width setting model and width adaptive model,and expounded the causes and s... 

本实用新型公开了一种防护性能好的硅钢板带加工用卷曲设备，包括底座，所述底座的上表面固定连接有L型安装架，所述L型安装架的一侧固定设有第一电机，所述第一电机的输出端固定连接有第一转轴，所述第一转轴的外表面沿周向等间距设有多组可调卷绕机构，所述第一转轴的一侧设有驱动调节机构。本实用新型通过设置可调卷绕机构及驱动调节机构，硅钢板带卷绕完成后，第二电机带动主动齿轮转动，主动齿轮带动从动齿轮及第二转轴转动，从而两个移动块相互远离带动连杆转动，两个连杆转动带动弧形板向靠近第二转轴的方向移动，从而使弧形板脱离钢带卷的内圈，便于将钢带卷取下，防止工人用力操作过程中划伤。

针对马钢无取向电工钢孔洞缺陷的分布规律及形貌特征,对缺陷样进行了显微分析,并利用生产实绩数据分析了该缺陷产生的原因。结合热轧生产过程,主要通过避免带钢撞击导卫以及降低导卫结瘤的产生等措施,可有效抑制热卷异物压入产生,从而降低冷轧工序孔洞的产生。 In viewing of the distribution and morphology characteristics of the hole defect of non-oriented electrical steel in Maanshan Iron and Steel Co.,Ltd.,the causes of the defect were analyzed by micro analysis of the defect sample and the production data.Combined with the production process of hot rolling,by avoiding the impact of strip steel on the guide and reducing the nodule formation on the guide,the pressing of foreign bodies in hot coiling could be effectively suppressed,thus reducing the fo... 

介绍了EB5325涂层液的主要性能和中冶新材生产冷轧无取向电工钢所用的涂层设备,通过多次试验摸索出使用EB5325涂层液的工艺,对涂层出现的缺陷进行分析研究,并提出解决方法,使中冶新材生产的冷轧无取向电工钢的涂层质量满足了用户的要求。 This article introduces the main properties of EB5325 and the coating equipments for cold-rolled non-oriented electrical steel. A process using EB5325 coating liquid is made through many time experiments and exploration. The appeared defects in the coating are studied and analyzed,and the solutions are proposed. The coating quality meets clients’ requirements of cold rolled non-oriented electrical steel. 

本发明公开了一种高磁感取向硅钢，其含有Fe及不可避免的杂质元素，其还含有质量百分含量如下的下述各化学元素：C：0.02～0.08％，Si：2.0～4.5％，Mn：0.02～0.30％，S≤0.0050％，Als：0.01～0.04％，N：0.002～0.01％，Nb：0.0050～0.0600％；以及P：0.01～0.1％，Sn：0.01～0.30％，Cu：0.01～0.50％的至少其中一种。此外，本发明还公开了上述高磁感取向硅钢的制造方法，其包括步骤：(1)制得板坯；(2)板坯加热；(3)热轧，其包括：粗轧、在热卷箱内卷取保温，以及精轧；其中粗轧结束温度高于970℃；卷取温度为800～1050℃，卷取时间为30～200s；精轧开始温度低于1050℃；(4)冷轧；(5)脱碳退火；(6)渗氮；(7)涂覆退火隔离剂；(8)高温退火；(9)涂覆绝缘涂层和激光刻痕。

对取向硅钢熔融态钢液进行处理,对比研究了不同脉冲参数的作用效果。结果表明,电脉冲对钢锭晶粒组织具有明显的细化作用,凝固组织等轴晶比例大幅上升。在脉冲电容、频率、处理时间和电压中,影响等轴晶比例的最显著性因素为脉冲频率;最优正交实验参数为:电容1 200μF,脉冲频率1 Hz,处理时间5 s,脉冲电压800 V;随着输入能量的增大,等轴晶率先增大后减小,脉冲输入能量为某值时,等轴晶率最大,通过经典形核理论和热力学对这一现象进行了解释。 Research on the influence of the electric pulse on the solidification structure of oriented silicon steel was preformed.Electric pulses in different parameters were applied to molten steel and results were compared.The result shows that solidification structure of oriented silicon steel can be improved by the electric pulse,and the equiaxed crystal ratio increases obviously.Among the four parameter factors of electric capacity,frequency,applied time and voltage,the most effective factor is frequ... 

系统研究了无取向硅钢用磷酸盐系涂层性能的影响因素。以氢氧化铝和磷酸为原料制备磷酸二氢铝,再添加适量的添加剂酒石酸铵、二氧化硅、环氧树脂,得到的涂液涂布于硅钢表面,并控制合适的烘干温度,通过耐盐雾实验考察各因素对涂液耐腐蚀性能的影响。实验结果表明,在磷酸与氢氧化铝物质的量比为3.4∶1、酒石酸铵用量为2%、二氧化硅用量为1%、环氧树脂用量为5%、烘干温度为300℃条件下,所得涂层材料的防(耐)腐蚀效果最佳。 The factors influencing the performance of phosphate anticorrosive coating for non-oriented silicon were systematically studied.Aluminum dihydrogen phosphate was prepared with aluminum hydroxide and phosphoric acid as raw materials.Then added the right amount of additives,such as ammonium tartrate,silicon dioxide,and epoxy resin to prepare the liquid coating,which was coated on the surface of the silicon steel,and finally controlled a suitable drying temperature.The influences of various factors... 

本实用新型公开了一种硅钢卷放卷辅助装置，包括支撑板、摆臂、气缸和连动杆，所述摆臂一端通过第一转轴枢接在支撑板上，所述连动杆的一端通过第二转轴枢接在摆臂的中部，另一端通过转轴与气缸的输出端连接，所述气缸的缸筒固定在支撑板上，所述摆臂远离支撑板的一端设置有承载座，所述承载座上开设有弧形槽口，所述槽口处设置有滚动组件；所述滚动组件包括设置在承载座上的第一支撑架和可转动设置在第一支撑架上的滚柱。其可有效防止硅钢卷从辊筒上掉落，保证了生产的安全性。

聚焦无取向硅钢产品标准,从电磁性能、表面性能、机械性能以及尺寸公差与边部质量等维度对国际标准IEC、EN、JIS、ASTM以及国标GB进行了分析研究。分析得出,各类标准在电磁性能方面要求基本一致;ASTM标准的机械性能要求有别于其他几个标准。 In this paper,non-oriented silicon steel standards of EN,JIS,GB and ASTM were compared and analyzed. It is showed that,all types of standards in electromagnetic performance requirements are basically the same. Surface properties in ASTM standard are expressed in the most detailed. The mechanical properties requirements of the standards,except for ASTM,are basically the same. 

本发明涉及一种控制高牌号硅钢退火产生月牙印缺陷的方法，多次调整硅钢退火线入炉及出炉张力参数，使带钢处于预设悬垂量内；本发明避免高速运行下带钢撞在炉辊上，从而产生月牙印缺陷，提高了产品的质量。

本实用新型提供了一种无取向硅钢涂层喷涂装置，属于冶金行业涂层技术领域，包括上涂辊和下涂辊，所述上涂辊一侧设有上喷淋管，下涂辊一侧设有下喷淋管，在上涂辊和下涂辊间的水平面上方设置一个倾斜挡板，所述上喷淋管对准倾斜挡板，下喷淋管对准下涂辊，所述下涂辊下方设置一个涂液收集槽，下涂辊部分置于涂液收集槽中，涂液收集槽底板设有涂液回流口，所述涂液收集槽通过一个升降装置调节自身高度。该装置稳定性好，可靠性高，能够有效保证无取向硅钢下表面涂层质量，避免出现漏涂或者涂层条纹缺陷，提高无取向硅钢涂层质量。

研究二次冷轧压下率对于硅的质量分数为3.0%的无取向硅钢组织结构和磁性能的影响。结果表明:当第二次冷轧压下率从0变化至16.7%时,铁损逐渐增加,磁感逐渐降低。当第二次冷轧压下率大于16.7%时,随压下率的增加,铁损逐渐减小,磁感逐渐增加。当第二次冷轧压下率大于38%时,二次冷轧法所能获得的磁性能明显优于一次冷轧法。 Effect of double cold reduction on magnetic,microstructure and texture of 3.0% Si non-oriented silicon steel sheets was investigated.The results show that the iron loss increases and magnetic induction reduces as the percentage redcution in secondary cold rolling changes from 0 to 16.7%.The core loss can be reduced remarkably,and magnetic induction can get a little benefit if the percentage redcution in double cold reduction is higher 16.7%.In case of higher than 38% of the percentage redcution ...