硅钢资料

通过观察冲剪边缘组织,测量冲剪边缘的显微硬度、残余应力的分布情况和磁性能的变化研究了冲剪加工对无取向硅钢50WW800边缘组织和磁性能的影响。对冲剪后硅钢片进行750℃退火,分析退火对组织和磁性能的影响。结果表明,硅钢片剪切边缘会存在0.4 mm的形变硬化层,边缘应力大,铁损增加。退火后变形减小,形变硬化层变小,残余应力大幅度减少,铁损减少。 The influence of punching process on cutting edge microstructure and magnetic properties of non-oriented silicon steel 50WW800was studied by observing microstructure and measuring microhardness near cutting edge.The residual stress distribution in the silicon steel tooth and magnetic properties were measured.Effect of annealing at 750 ℃ on microstructure and magnetic properties of the silicon steel was analyzed.The results show that a cut-edge hardening layer up to 0.4 mm is observed,residual st... 

本实用新型公开了一种变压器铁芯硅钢片叠装平台，包括支撑架、升降装置、铁芯架和硅钢片支撑板；铁芯架为硅钢片叠放形成铁芯的作业架，硅钢片支撑板用于储放构成铁芯的硅钢片，铁芯架及硅钢片支撑板均通过升降装置活动设置于支撑架上，且在叠装作业过程中，铁芯架与硅钢片支撑板通过升降装置驱动同时升降。本实用新型提供的一种变压器铁芯硅钢片叠装平台，提高铁芯叠装作业的便捷性，降低劳动强度，提高效率。

针对目前大部分无取向电工钢处理液为含铬处理液、且需在较高温度下固化的情况,在分析成膜物质性质的基础上,试验研究了一种可低温快速固化的电工钢环保绝缘处理液,研究了其涂装工艺,并测定了涂层的附着性、绝缘性、耐热性、耐蚀性等性能。试验结果表明:该处理液可在150~250℃下快速烘干固化,涂层表面光滑且致密均匀,性能优良,可满足中小电机的使用要求。 At present,most of the insulating fluid for non-oriented electrical steel contains chromium,and should be cured at high temperature.On the basis of analyzing the characteristics of the film-forming substance,a kind of eco-friendly insulating fluid with lower curing temperature for non-oriented electrical steel sheet was developed in the experiments.Then its coating process was studied,and the adhesiveness,insulativity,heat resistance,corrosion resistance and other properties of the coating was m... 

在现普通冷轧无取向硅钢的基础上,降低Si含量,复合添加少量辅助元素,组合热轧板处理和成品退火加热技术,研制出了免常化处理的高磁感、低铁损并具有良好耐酸腐蚀性能的新系列无取向电工钢。 Based on existing common cold rolled non-oriented silicon steel,a new series of non-orientedelectrical steel with high induction,low core loss and excellent anti-corrosion property has been developed by reducing Si element,adding complexly a small amount of supplementary elements,and employing combined treatment of hot rolled sheet and finished product annealed heated technology. 

以水氯镁石为原料,采用氨法沉镁-煅烧-添加剂的方法制备硅钢级氧化镁。考察了反应温度、反应pH值、陈化时间对中间体氢氧化镁纯度及转化率的影响;研究了煅烧温度和煅烧时间对氧化镁水化率的影响及添加剂的量对氧化镁悬浮性能的影响。控制实验条件为:反应温度55℃,pH值为9.5,陈化时间2h,煅烧温度1050℃,煅烧时间2h,添加剂量为0.8%,制得氧化镁的纯度为98.99%、水化率为2.92%、悬浮性能为3mm/h,达到硅钢级氧化镁的要求。 Using bischofite as raw material,the preparation of magnesium oxide with silico-steel grade was studied.The effects of reaction temperature,reaction pH value and aging time on the intermediate magnesium hydroxide purity and conversion rate were studied.Calcinations temperature,calcinations time relationship to the hydration rate of MgO and amount of additive to the suspension performance of MgO were investigated.The results indicated that the optimum technological conditions were as follows:reac... 

结合实际生产0.4%Si无取向硅钢，统计了不含Sn和0.025%Sn无取向硅钢的磁性能变化，利用金相显微镜、X射线衍射仪观察分析不同成分下试样的显微组织和微观织构。试验结果表明：Sn元素可以显著降低无取向硅钢的晶粒尺寸，0.025%Sn试样的平均晶粒尺寸比不含Sn减小28.4%;加入Sn元素后抑制了无取向硅钢中不利于磁性能的{111}面织构组分强度，提高了对磁性能有利的{100}面织构组分强度，0.025%Sn与不含Sn相比磁感均值从1.756 T提升至1.768 T,铁损均值从5.476 W/kg降低至5.204 W/kg,明显改善了无取向硅钢磁性能。 In this paper combined with the actual production of 0.4% Si non oriented silicon steel, the magnetic properties of non oriented silicon steel without Sn and 0.025% Sn were counted. The microstructure and microtexture of samples with different compositions were observed and analyzed by metallographic microscope and X-ray diffraction. The results show that: Sn can significantly reduce the grain size of non oriented silicon steel, and the average grain size of 0.025% Sn sample is 28.4% smaller tha... 

本发明公开了一种适宜缠绕式加工的低铁损无取向硅钢及其生产方法，属于硅钢生产技术领域。本发明的无取向硅钢包括以下质量百分比的元素：Si：1.5～2.5％，Mn：0.15～1.0％、Als：0.5～1.5％，其余为Fe及不可避免的杂质。其生产工艺步骤为：铁水预处理、转炉冶炼、真空处理、连铸；加热热轧；常化处理；冷轧、退火；保温、冷却；涂覆绝缘层。本发明通过对无取向硅钢的组分及其配比，结合工艺操作进行优化，能够生产得到电磁性能及延伸率均优异的无取向硅钢，从而能够有效满足电工钢缠绕式加工及使用需求，且其制造工序流程短、成本相对较低。

结合硅钢退火炉项目中应用PDSOFT软件进行三维配管设计的案例,描述PDSOFT软件的应用过程,总结其使用要点,分析其优缺点,并提出了推广三维设计软件的思路,对今后PDSOFT在相似项目中的推广应用有参考和借鉴价值。 Combining the case of using PDSOFT software to design the three-dimensional piping,the application process of the PDSOFT software is described,the using points are summarized,the advantages and disadvantages are analyzed,and the ideas of promoting the three-dimensional design software are put forward,which have a strong reference value for the promotion and application of PDSOFT in similar projects in the future. 

本实用新型公开了一种用于硅钢片的焊接工装夹具，它包括底座，所述底座包括底板（1）、固设于底板（1）顶表面上的左挡板（2）和右挡板（3），左挡板（2）与右挡板（3）之间固设有位于底板（1）上的挡条（4），挡条（4）的前端面上设置有止口（5），左挡板（2）的前端部铰接有压杆（6），所述底板（1）的顶表面上且位于其左侧放置有压条（7），底板（1）的顶表面上且位于其右侧固设有限位条（8），压条（7）与限位条（8）之间设置有多个紧靠于一起的定位块（9），每个定位块（9）均放置于底板（1）的顶表面上。本实用新型的有益效果是：结构紧凑、提高硅钢片组件焊接质量、提高硅钢片组件生产效率、操作简单。

本发明提供了一种取向硅钢制作的电机凸极转子，包括由取向硅钢一体制作而成的凸极极身、轭部与极靴，整个转子的易磁方向为径向，通过对轭部厚度、相邻凸极根部中心点距离、凸极极身宽度和极靴尺寸等进行特殊结构设计，能够提高电机功率密度与效率，且无二次气隙与额外的工艺需求。

利用电子背散射衍射(EBSD)技术和场发射电子扫描显微镜(FESEM)研究了电工钢中柱状晶不同初始取向50%热压缩变形后的演变规律及其对粒子析出行为的影响。结果表明:〈100〉晶粒形变后仍为〈100〉取向,只发生绕ND∥〈100〉方向的转动,具有遗传性,粒子析出数量少。柱状晶长轴与压缩轴的偏转度增加,取向的稳定性变差,超过40°,可形成〈111〉取向,期间发生复杂的滑移系交互作用,产生较高的缺陷密度,促进粒子析出。MnS粒子主要在晶内析出,变形温度高、形变量低,粒子均无法充分析出。回复时,形变晶粒内高的储能和缺陷密度是促进粒子进一步析出的必要条件。 The evolution of initial orientations and their influence on precipitation of columnar-grained electrical steel after 50% hot compression deformation were investigated by electron backscatter diffraction technique and field emission scanning electron microscopy.The results indicate that the〈100〉orientated columnar grains remain still〈100〉after hot compression deformation,with only rotation around ND parallel to〈100〉direction,with heredity,and less precipitation.As the deviation angle between the... 

本发明涉及涂层液技术领域，且公开了取向硅钢绝缘涂层液，其配比为：二氧化硅10‑15%、硼酸5‑8%、磷酸二氢盐2‑5%、金属溶胶20‑25%、氢氧化铝占5‑6%、有机酸处理的复合盐溶液20‑30%、分散剂0.5‑1%，其余为水，采用硅溶胶作为辅助成膜物，粘结力较强，对附着性影响很大。硅溶胶能够很均匀地包裹在被胶结物质的表面，通过自干成膜，保持了很高的常温结合强度；而磷酸盐涂层的固化是通过受热分解，脱水聚合完成的，低温强度差，中温强度高，充分利用了硅溶胶低温的结合强度和磷酸盐中、高温时的结合性能，消除了常规涂层烘烤时容易出现的收缩、起泡现象，阻止了微气孔的形成，提高了涂层的表面光滑度，粘结强度和稳定性同时保持绝缘涂层的光泽、光滑和稳定性。