钢厂
CN202110591832.5一种用于硅钢水性无机绝缘涂料的助剂及其制备方法
本发明属于涂料技术领域,具体涉及一种用于硅钢水性无机绝缘涂料的助剂及其制备方法,用于硅钢水性无机绝缘涂料的助剂,包括以下质量份配比的材料:磷酸二氢铝溶液10‑40份、氧化镁0.1‑5份、增稠剂0.01‑5份和水1‑80份。本发明还提供了上述助剂的制备方法,通过向磷酸二氢铝溶液中加入氧化镁悬浮液,得到铝镁混合液备用,然后在室温及搅拌条件下,向铝镁混合液中加入增稠剂预溶胶得到所需助剂,利用本申请的助剂制备了无机物料,结果表明,本发明提供的助剂适用于硅钢水性无机绝缘涂料,能改善涂料的稳定性,有效提高硅钢绝缘涂层的附着力和耐腐蚀性,改善硅钢涂层的综合性能。
基于人工神经网络-遗传算法的取向硅钢刻痕工艺优化
为了优化激光刻痕降低取向硅钢铁损的工艺,寻找刻痕速度、脉冲能量、扫描间距等重要刻痕参数的最佳匹配关系,提出了一种基于人工神经网络与遗传算法的优化模型,并利用这种模型对30Q130取向硅钢材料的刻痕工艺进行了优化实验,结果表明,这种模型稳定可靠,可以作为取向硅钢刻痕工艺优化的一种有效的措施。 A laser is often considered to scribe the grain-oriented silicon steel surfaces after cold-rolling and annealing to reduce the core loss.It is necessary to select the best scribing parameters to maximize the reduction in this process.This paper proposes an optimization method of genetic algorithm during laser scribing of 30Q130 steel,by developing an artificial neural network prediction model using a database form a designed orthogonal experiment.The objective is to determine the best combinatio...
CN202123157727.5一种硅钢片卷绕机调节装置
本申请实施例公开了一种硅钢片卷绕机调节装置,包括底部支撑座,所述底部支撑座一侧的内部活动套接有伸缩调节板,所述伸缩调节板的上部固定连接有上部定位套,所述上部定位套内部的上端活动套接有第一定位板,所述上部定位套的内部安装有第一螺纹定位杆。该硅钢片卷绕机调节装置,通过带动硅钢片夹持在上下两个夹持板之间,即可带动夹持板之间的挤压力,带动硅钢片两侧位置进行限定,避免硅钢片收卷时出现振动和偏移的问题,同时装置夹持板的内部活动套接有滚轮,即可在硅钢片移动过程中,可带动滚轮旋转,即可带动硅钢片与滚轮之间的摩擦阻力降低,至此可带动硅钢片移动时的灵活性,避免硅钢片移动时出现卡死的问题。
高温硅钢加热炉双蓄热燃烧技术的探讨
介绍了双蓄热燃烧技术的特点和高温硅钢加热炉的特点,探讨了双蓄热燃烧技术在高温硅钢加热炉中使用的技术难点,分析了双蓄热燃烧技术在高温硅钢加热炉上使用的可能性。 Introduced characteristics of double regenerative combustion technology and high temperature silicon steel reheating furnace,discussed technical difficulties for using double regenerative combustion technology,analyzed the possibility of double regenerative combustion technology applied to high temperature silicon steel reheating furnace.
常化温度对热轧无取向硅钢组织与磁性能的影响
为研究常化温度对热轧无取向硅钢组织与织构的影响,采用光学显微镜、背电子散射衍射技术研究了不同常化温度对其影响。结果表明,实验硅钢板在700~850℃温度下常化时,随常化温度的升高,晶粒尺寸增大,有利组分α织构增强,不利组分γ织构降低。对比研究了800℃和850℃常化热轧板CSL晶界分布图与取向差分布图,在本文研究条件下,Goss织构易在Σ=3,9的CSL晶界及晶粒取向差为30°~55°处形成。 The hot strips normalized at different temperatures were investigated by optical microscope and EBSD to study the effect of normalizing temperature on microstructure and texture of hot-rolled non-oriented silicon steel sheets.The results show that the grain size increases,the intensity of α-fibre texture increases,and the γ-fibre texture decreases when the hot strips are normalized at the 700-850 ℃.And CSL boundaries of Σ=3 and 15,and misorientation angles between 30° and 55° are more likely rel...
宝钢无取向电工钢发展历程及生产技术进步
简要介绍了宝钢无取向电工钢的发展历程、产品大纲、电磁性能控制情况,以及高附加值新产品的开发、应用情况。概述了近年来宝钢无取向电工钢生产技术进步,主要包括夹杂物控制技术、连轧机高牌号硅钢制造技术、同板差控制技术、环保涂层开发技术等。 This paper briefly summarizes the development history, product catalogue, and magnetic properties of non-oriented electrical steel sheets at Baosteel, as well as the development and application of high-value-added steel grades. Recent advances in manufacturing electrical steel sheets are also introduced, including technologies for controlling inclusion, producing high-grade steel strips by a tandem rolling mill, and controlling the transverse thickness difference of steel sheets, as well as the ...
二次冷轧法对薄带连铸无取向高硅钢组织和磁性能的影响
采用双辊薄带连铸技术试制了3.98%Si-0.71%Al无取向硅钢铸带,研究了二次冷轧法对硅钢组织和磁性能的影响。结果表明:硅钢铸带显微组织为等轴晶组织,铸带再结晶较完全,常化对铸带显微组织影响较小。二次冷轧工艺和一次冷轧工艺下,最终退火后成品显微组织为等轴晶组织,二次冷轧法最终退火后的晶粒尺寸小于一次冷轧法。二次冷轧法能够提高成品磁性能. Effect of double cold rolling on magnetic properties and microstructure of 3.98%Si-0.71%Al non-oriented silicon Steel Sheets cast by twin-roll thin strip casting process were investigated.The results show that the structure of the thin strip is equiaxed crystal,the recrystallization is complete and normalizing has lesser effect on microstructure.Using both cold rolled and double cold rolled process,the microstructure is equiaxed grain after final annealing.The average grain size of annealed shee...
CN202120757212.X一种用于激光切割的铁芯硅钢片夹持装置
本实用新型公开了一种用于激光切割的铁芯硅钢片夹持装置,包括固定座,所述固定座的上方设置有底板,所述底板的上方设置有压板,所述压板与底板的内部且靠近前后侧边缘处均活动连接有转动辊,所述转动辊的表面活动连接有输送带,所述固定座的表面开设有排料口,所述底板的上表面开设有泄料口,所述压板的上表面开设有加工预留口,所述压板的内部且位于转动辊之间固定连接有转轴,所述转轴的表面固定连接有从动锥齿轮,所述压板的内部且靠近左侧边缘处固定连接有电机,所述电机的输出端固定连接有转动杆。本实用新型,该装置结构简单合理,能很好地解决现有技术的不足,能实现在夹持的时候进行送料工作,有利于提高硅钢片的加工效率。
双辊薄带连铸3.98%Si-0.71%Al无取向硅钢的组织、织构和磁性能
采用双辊薄带连铸工艺制备了厚度为2.4mm的3.98%Si-0.71%Al无取向硅钢带,经常化、冷轧、不同温度退火后,对其显微组织、析出物、织构和磁性能进行了检测分析。结果表明:随着退火温度的提高,退火板晶粒尺寸增大,组织均匀性提高;退火板析出物主要是AlN和MnS与AlN复合析出物,尺寸较粗大,达0.5~2.5μm;退火板织构沿厚度方向变化明显,表层和1/2层存在较强的{100}织构,1/2层还存在较强的{111}织构,1/4层主要是{112}织构;随退火温度的升高相应的铁损和磁感应强度均降低。 Using twin roll thin strip continuous casting technique,the 3.98%Si-0.71%Al no-oriented silicon steel strip in thickness of 2.4mm was produced.The microstructure,precipitates,texture,and magnetic properties of the sheet after normalizing,cold rolling and annealing at different temperatures were studied.The results show that with annealing temperature increase,the grain size and uniformity of annealed sheet increased.The main precipitates in coarse size of 0.5-2.5μm in annealed sheet were AlN and...
CN202121672222.X一种包容产品转子硅钢片叠加公差的模具机构
本实用新型公开了一种包容产品转子硅钢片叠加公差的模具机构,包括上下设置的定模固定板和动模固定板,定模固定板下面设置有定模仁,定模仁内穿设有定模型芯,定模型芯的上端设置有定模型芯限位块,定模型芯限位块套设在导向销下端,导向销上套设有定模型芯浮动弹簧B,定模型芯底部设置有台阶面,定模型芯上套设有定模型芯浮动弹簧A,定模仁外圈设置有定模浮动型芯,定模浮动型芯与动模固定板之间设置有动模浮动板,动模固定板中心设置有动模仁,动模仁上套设有产品转子,产品转子上端与定模型芯下端接触。本实用新型提供的一种包容产品转子硅钢片叠加公差的模具机构,能够省去高度调整工序,降低成本和品质管控风险。
提高热轧硅钢凸度精度的工艺措施
以太钢热连轧厂的硅钢为研究对象,利用凸度仪测量热轧带钢出口凸度值,采用矩阵和失效模式的分析方法了解影响带钢凸度变化的主次因素。研究结果表明:通过有效控制轧制过程中的加热温度、时间及采用合理的辊型,硅钢凸度精度提高了4.34%左右。 In this paper,we take the hot-rolled silicon steelsheet of Taigang as the research symbol,exit profile was measured by convex instrument,the primary and secondary factors that affect the strip profile were measured by using matrix and failure mode analysis methed.The results indicate that convexity accuracy has significantly improved by nearly 4.34% through the effective control of the heating temperature,heating time and the use of correct roller type in the process of hot rolling.

