硅钢资料

采用扫描电镜、原子力显微镜研究了铬酸镁半无机绝缘涂层的微观结构。结果表明,涂层厚度为数微米,涂层中的有机树脂乳液颗粒均匀分布在无机涂层的表面,从而保证了涂层具有良好的冲片性能。采用极化曲线研究了涂层的耐蚀性能,发现铬酸镁与铬酸锌绝缘涂层的耐蚀性能相当。 In this paper,the microstructure and anti-corrosion property of magnesium chromate coating on non-oriented silicon steel were studied.The microstructure was observed by SEM and AFM.The anti-corrosion properties were evaluated by polarization curves.The results show that the thickness of coating is several microns and the polymer particles were scattered on the surface of inorganic coating,which is the guarantee for lamination property.The corrosion resistance of the magnesium chromate film was e... 

【作者】 卢鹏； ...

本发明公开了一种减少低温高磁感取向硅钢点状露金缺陷的方法。本发明通过控制低温高磁感取向硅钢的脱碳和渗氮工艺，特别是通过控制脱碳露点、渗氮露点、脱碳氧化度、脱碳时间来调节钢板经脱碳渗氮后表面形成的内氧化层中FeO/SiO2的比例，结合氧化镁退火隔离剂的含水率控制，获得了一种可避免点状露金缺陷的低温高磁感取向硅钢生产方法。

对新能源汽车以及驱动电机的现有市场和未来市场规模进行梳理分析，通过自建计算公式推导出我国2021年1-11月份驱动电机用电工钢的总量，进而预测未来10年中国新能源汽车驱动电机用电工钢情况，为无取向电工钢的生产和在电机中的应用提供有价值的参考。 The current market and future market size of new energy vehicles and traction motors were analyzed,and the total amount of electrical steels used in traction motors in China from January to November 2021 was derived by using self-built calculation formulas,and then the situation in the next ten years of electrical steel used in traction motors of new energy vehicles in China was predicted.It will provide a valuable reference for the production of non-grain oriented electrical steel and its appli... 

本发明公开了一种硅钢冷轧吹扫辊，涉及硅钢加工设备领域，包括安装架、上轧辊和下轧辊、下调节机构、上调节机构以及吹扫机构；所述下调节机构包括调节支撑底板、楔形插块以及调节油缸；所述上调节机构包括顶升油缸、顶升杠杆和顶升连杆；所述吹扫机构包括吹扫连接座、吹扫管道和吹扫排管。本发明通过在上轧辊和下轧辊的出料端安装吹扫机构能够便于对出料的钢带表面进行吹扫清洁，能够有效提升钢带成品的表面质量；由于下轧辊在轧制过程中承受的重量较大，通过调节油缸带动下轧辊两侧的楔形插块来回移动的方式对下轧辊的高度进行微调，能够保证下轧辊在轧制过程中整体的稳定可靠性。

以能量平衡和辐射换热理论为基础,通过合理假定,建立了硅钢无氧化加热炉数学模型。采用数值计算的方法,通过自编程序,完成对带钢加热过程温度场的仿真。结果显示:数学模型能够反映带钢在无氧化炉内的加热过程,其升温曲线能够与工艺曲线相吻合;现行炉温分布并非最优,数学模型能够为炉温分布的优化、炉段的设计提供理论依据。 Mathematical model of NOF Section of Continuous Annealing Furnace is established based on energy balance and radiation heat exchange. The temperature field of steel is simulated by mathematical computation. The simulating results show that the mathematical model can reflect the heating process of silicon steel in NOF section, and the heat-up curve is coincide with the processing curve. From the results,it is known that the current furnace temperature gradient is not the best, and the mathematica... 

研究了应用电感耦合等离子体质谱(ICP-MS)同时测定硅钢中痕量铝、钼、钒、钛、铌元素的分析方法。通过条件试验对测量参数进行了优化,确定RF功率1 400 W,泵速30rpm,采样深度140,雾化压力0.90。样品采用硝酸分解,以Be、Y混合内标校正了测量过程中高基体引起的信号漂移。根据测量时存在的质谱干扰情况,选择同位素27 Al、98 Mo、51 V、47 Ti和93 Nb作为测定同位素,同时通过调节仪器参数使得双电荷离子和氧化物离子的产率最低,以减少其带来的干扰。采用基体匹配法配制校准溶液,以标准加入法建立工作曲线,并扣除试剂空白。该方法各元素的测定下限均可达到1μg/g。用于硅钢标准样品的测定,所得结果与参考值完全吻合,各元素的RSD小于5.2%。 A method for the determination of trace aluminum,molybdenum,vanadium,titanium and niobium in silicon steel by inductively coupled plasma mass spectrometry(ICP-MS) was described.A series of single parameter condition experiment was conducted.The optimized operation parameters with RF power 1 400 W,turbo pump rate 30 rpm,sampling depth 140 and nebulizer pressure 0.90 were obtained.The samples were dissolved by HNO3,and the Be and Y mixing internal standard were used to eliminate the signal drift c... 

硅钢连续退火线是无取向硅钢生产的成品线。由于受机组布置的影响,带钢经转向辊进出口活套后,当套量达到60%后就出现偏离生产线的情况,从而影响最终产品的质量及成材率,甚至损坏设备。针对某冷轧厂硅钢连续退火机组出口活套入口处带钢跑偏开展纠偏研究,利用Matlab对该纠偏系统进行动态仿真研究,分析系统的稳定性。 Silicon steel continuous annealing line is non oriented silicon steel production of finished product line.Due to the influence of unit layout,strip by roll Import & Export loop,when the set volume reached 60% after the emergence of deviation from the production line,thus affecting the quality of the final product and the rate of finished products,and even damage the equipment.For the export of continuous annealing line in cold rolling silicon steel strip deviation rectification loop at the e... 

冷轧取向硅钢工程中有很多的超长、大体积以及薄壁的混凝土结构,裂缝控制是土建施工的关键。在工程中,按照\"抗放兼施、先放后抗、以抗为主\"的原则,采用\"无缝分块跳仓法\",防止超长混凝土结构收缩产生裂缝;在隧道和池体的底板与墙板施工中,采用\"整体浇筑\"法,避免了墙板因约束应力而产生的裂缝。 In the Cold-rolled grain-oriented silicon steel project,there are many overlength,bulk mass,thin-walled concretes structures,how to control the crack is the key of civil engineering construction.In these projects,according to the principle of\"release with resist,resist before release,resist is dominant \",the crack of the over-long structure and shrinkage can be prevented by the method of\"seamless block skip bin \".In the construction of the bottom plate and wall of the tunnel and the pool,the cra... 

本实用新型公开了一种用于焊接硅钢板带的焊接机构，包括握把，该握把的一侧设置有下钳嘴及上钳嘴，该握把的另一侧设置有机械臂，下钳嘴的顶端设置有第一铜片，第一铜片的一侧顶端活动设置有下夹片，且上钳嘴的顶端设置有与下夹片相配合的上夹片，握把一侧内部设置有第二铜片，且第一铜片与第二铜片相互靠近的一侧均设置有金属弹片，两组金属弹片之间卡接设置有卡块一。有益效果：通过设置下夹片与上夹片实现对焊条进行夹紧，且下夹片与上夹片中的转动块均为活动连接，在实际焊接过程中可以利用焊条带动下夹片与转动块转动，从而实现焊条与握把之间角度的调节，进而满足不同的焊接条件，提高焊接效率。

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。

概述了无抑制剂法生产取向电工钢的特性及其用途;总结无抑制剂生产取向电工钢的原理及工艺方案.重点讨论了成分方案,即元素对磁性能的影响和最终高温退火方案对二次再结晶的影响.研究结果表明,无抑制剂取向硅钢化学成分范围没有普通取向硅钢和高磁感取向硅钢严格,提高了成材率;最终高温退火决定了二次再结晶的好坏,从而最终决定成品磁性能,最佳的高温退火温度在850～950℃之间. This article provides an overview on the characteristics and uses of inhibitorless process producing grain-oriented electrical steels.The mechanism of inhibitorless process and technology programs were discussed.The results show that the chemical composition and final annealing were determined according to magnetic properties.The inhibitor-free grain oriented silicon steel has loose range of chemical composition;Secondary recrystallization occurs mainly in the final annealing and the best anneal...