硅钢资料

借助实验室设备研究了B元素对高牌号无取向硅钢热轧板组织和磁性能的影响。结果表明,与无硼钢相比,含硼钢的热轧板晶粒尺寸略小,析出物的类型和尺寸没有区别,主要是AlN和(AlN+MnS)复合析出物,少量的MnS析出物,尺寸集中在1.0～2.5μm范围内。未发现BN析出物。在力学性能方面,B对钢的软化作用不明显。在磁性能方面,含硼钢的铁损为3.215W/kg,磁感为1.710T,综合磁性能比无硼钢差。 Influences of boron on microstructure and properties of hot rolled band in high-grade non-oriented silicon steel are researched in this paper by experimental equipments.Compared with boron-free steel,the result shows that boron-bearing steel has smaller grain size,but the type and size of precipitations have no differences.The main precipitates are AlN,(MnS + AlN) composite precipitate and few MnS,the range of which are between 1.0 μm and 2.5 μm.BN precipitation is not found.With reward to mecha... 

主要研究了氧化锌对以Al(H2PO4)3为基料的无铬无取向硅钢绝缘涂层各项性能的影响.用盐雾实验和动电位极化研究了不同氧化锌含量对硅钢绝缘涂层的耐蚀性和电化学行为的影响.采用SEM和体视显微镜对涂层的表面形貌和附着性能进行研究.结果表明,氧化锌含量为4.0%时,氧化锌能完全中和涂层表面的游离磷酸,涂层的耐蚀性和附着性最好;氧化锌含量过少或过多时,涂层的耐蚀性和附着性都较差. This paper studies the influence of zinc oxide on the performance of chromium-free non-oriented silicon steel insulating coating which based on aluminum dihydrogen phosphate.Salt spray experiment and potentiodynamic polarization were used to study the influence of zinc oxide content on the corrosion resistance and electrochemical behavior of the insulation coating of silicon steel.The surface morphology and adhesion of coating were tested by SEM and stereo microscope.The results show that when t... 

本实用新型涉及切割设备技术领域，尤其涉及一种电工钢切片用切割刀架。其包括机架、升降架、第一输送辊、第二输送辊、升降块和切割装置；升降架和升降块均设置有两个；两个升降架均设置在机架上；两个升降块分别滑动设置在两个升降架上；第一输送辊的两端分别转动设置在两个升降块上；升降架上设置有用于驱动升降块移动的升降机构；第二输送辊转动设置在机架上，且第二输送辊位于第一输送辊的下方；机架上设置有用于驱动第二输送辊转动的驱动电机；第二输送辊上设置有用于驱动第一输送辊转动的传动机构；切割装置滑动设置在机架上；机架上设置有用于驱动切割装置移动的驱动机构。本实用新型能够方便对电工钢进行切割，且能够自动放卷。

本发明公开了一种超薄取向硅钢用的半有机绝缘涂料。该半有机绝缘涂料，按质量百分比计，包括以下组分：10～25％磷酸盐，1～10％含有环氧基的硅烷耦合剂，0.2～2.0％有机硅烷，1～10％铬酐，1.5～6％二氧化硅粒子，0.3～5％碱，余量为水；其中二氧化硅粒子的粒径为100～300nm。该半有机绝缘涂料应用于超薄取向硅钢表面时，既提高了涂层与基体的附着性，又保证了涂层的绝缘性和耐热性，涂层附着性为A级，叠片系数大于0.96，可耐900℃高温，并且涂层较薄(小于1μm)时，钢板的绝缘电阻大于30Ω·cm2/片，绝缘性能优异，可满足超薄取向硅钢的应用需求。

变压器D21硅钢铁芯片采用冲压工艺生产。首先对其工艺进行了分析,确定了冲压方案。对产品进行了排样设计,计算了冲压力,确定了压力中心。然后,设计了单工序落料模具,完成了模具装配图。 D21 silicon steel chips for transformer are produced by stamping.First,its stamping process was analyzed and the scheme of the stamping process was determined.The product layout was designed,the punching pressure was calculated,the pressure center was determined.Then,the blanking die with single procedure was designed,the die assembly drawing was completed. 

本实用新型公开了一种硅钢片组扣件自动压平装置，包括：定位单元，定位单元包括转盘、校位板和第一驱动组件，第一驱动组件连接并驱动校位板沿竖直方向运动，校位板滑动连接有第一校位柱，第一校位柱相对转盘偏心布置；第一推送单元，位于转盘的一侧，第一推送单元包括第一推送气缸和第一推块，第一推送气缸连接并驱动第一推块沿水平方向运动；冲压单元，位于转盘背离第一推送气缸的一侧，冲压单元包括第二驱动组件和冲压柱，第二驱动组件连接并驱动冲压柱沿竖直方向运动。转盘、校位柱和第一驱动组件配合，周向定位硅钢片组，再通过冲压柱将凸出于硅钢片组的扣件压平，完成硅钢片组的整形，整体更为美观，方便后续的装配使用。

研究了退火温度和退火时间对电沉积硅钢试样中的断面层组织、硅在试样中的分布情况、织构分布和磁性能的影响。结果表明:退火温度为1000℃、退火时间为210 min时得到的试样晶粒分布均匀、硅在试样中分布均匀、硅平均浓度为6.3715%(接近6.5%)。试样的织构分析及磁性能检测的结果表明,在较高温度下延长退火时间可增加{100}和{110}面织构,降低铁损,所得试样的磁性能较为良好。 The effect of annealing temperature and time on the microstructure, distribution of silicon,texture and magnetism of the high silicon steel prepared by electrodeposition was investigated. The results showed that after annealing at 1000℃ for 210 min, the mean grain size of steel was about 190 μm with a uniform grain size distribution, and the silicon is also uniformly distributed on the entire cross section with an average Si concentration 6.3715%(close to 6.5%); With the increasing annealing tim... 

【作者】 朱凤泉； 黄生银； ...

本实用新型公开了高牌号取向硅钢生产用辊轧机，包括辊轧机本体和夹送辊，所述辊轧机本体的底端安置于承托组件的顶端，且承托组件的两侧对称设置有机架，所述辊轧机本体一侧的机架顶端对称安装有两个换向机构，且两个换向机构顶部的一侧共同设置有上下两个夹送辊。该种高牌号取向硅钢生产用辊轧机中不仅能够通过两个液压缸同步伸缩，带动横担的两端反向旋转，从而灵活调节夹送辊的相对水平高度，进而提高了钢带输送角度的调节效率；而且在夹送辊旋转输送钢带时，换热介质经由两组导液管、旋转接头在夹送辊中输入、输出，通过直接接触进行全面换热，如此循环往复，进一步提高了对钢带的冷却效率。

以不断增长的薄板坯流程为背景,与传统流程对比分析了薄板坯流程无取向电工钢热轧晶粒组织特征;以50W800和50W1300钢为典型实例,探讨了两种流程下成品板晶粒组织、织构、磁性能及其磁时效行为的基体差异和相关原理。研究表明,薄板坯流程热轧板组织较粗大,有利于在成品板中获得粗大的晶粒和有利的织构,从而得到较低的铁损和较高的磁感。然而,薄板坯流程会造成第二相粒子的细小弥散分布与不充分析出,容易因磁时效而使磁性能恶化。 Based on the rapid development of compact strip production(CSP) processing,the characteristics of hot band grain structure produced by CSP processing were analyzed in comparison with those of conventional technology.The basic differences in grain size,texture,magnetic properties and the magnetic aging behaviors of the final sheet products produced by the two processing technologies and the corresponding principles were discussed,while steel 50W800 and 50W1300 were taken as examples.It is indicat... 

对无取向硅钢炼钢全流程钢液增钛的原因进行了分析,认为铁水钛含量、转炉出钢温度、转炉下渣量、精炼渣TiO₂含量、钢水罐及RH浸入管混钢种生产是影响钢液增钛的主要原因。通过采取低钛铁水冶炼,减少转炉下渣量,提高出钢温度,添加白灰改质精炼渣等措施,均能够降低钢液中的钛含量。 After analyzing the causes leading to increased content of titanium in molten nonoriented silicon steel during whole steelmaking process, it was concluded that such factors as content of titanium in hot metal, tapping temperature from converter, quantity of roughing slag entered into the ladle from converter, content of TiO₂ in refining slag, molten steel ladle car,carrying out the steelmaking of different steel grades by the same ladle and same RH immersion tube were the main causes ... 

本实用新型涉及一种改进的点火器线圈硅钢片结构，包括E型件和I型件，所述E型件和I型件组合成日字形，它们可相互转动；所述E型件包括竖边和设置在竖边三个横边，三个横边分别为上横边，中横边和下横边，它们分别与竖边垂直连接；其中所述竖边的转角位置圆角处理，竖边外侧为弧形边；所述上横边的端面设置插缝；所述中横边的端头设置凹部；所述下横边的端头设置凸部；所述I型件上端两侧对称设置凹台；所述凹台具有弧形凹边；所述I型件通过凹台设置在插缝可以旋转。本实用新型设计新颖，改进巧妙，由于E型件具有弧形边可以有利于拾取，方便工作操作，E型件和I型件采用插合的方式，整体结构稳定，便于安装，增加了组合体的稳定性。