硅钢资料

研究了冷轧大压下量,950℃退火时间对一种新型含铜无取向电工钢晶粒度和织构的影响。结果表明,大压下量冷轧,随压下量的增加,退火晶粒向γ线聚集,形成强{111}<112>织构。提高冷轧压下率,退火织构{111}<100>,{110}<001>强度减弱,增加退火时间,退火织构{111}<110>,{100}<001>,{110}<001>强度变弱。采用87.5%冷轧压下率和950℃退火60 s,有利织构{100},{110}占有率最大。 The effect of annealing(950 ℃) time with high cold rolling reduction on grain size and texture of a new non-oriented electrical steel containing copper was investigated.The results show that for high cold rolling reduction,most annealed grains are oriented along γ-fibre with increasing cold rolling reduction ratio and strong texture {111}<112> is formed.With increasing the cold rolling reduction ratio,the intensity of annealed texture {111}<110>,{011}<100> decreases.With increa... 

本发明公开了一种改善高牌号无取向硅钢表面色差缺陷的方法，属于冷轧卷板表面质量改进技术领域。所述方法为：将连铸坯依次进行热轧、常化、酸洗、单机架轧制和连续退火工序，其中按重量百分数计，所述的连铸坯含有如下成分：C＜0.003%、Si1.6~2.0%、Mn0.35~0.65%、Al0.35~0.65%、P＜0.02%、S＜0.0025%、余量为Fe和其他不可避免的杂质元素，所有成分合计100%；其中热轧工序的卷取温度为620~640℃。本发明所述方法能够降低带钢表面氧化铁厚度并改变带钢表面氧化铁结构，改善高牌号无取向硅钢表面色差缺陷。

利用热模拟试验机、光学显微镜和X射线衍射仪对Fe-3.2%Si低温取向硅钢热轧工艺参数对组织及织构的影响进行了研究。结果表明,Fe-3.2%Si硅钢在1110℃粗轧、880℃终轧,轧后以10℃/s的速度冷却到550℃卷取,然后空冷到室温,热轧硅钢板沿板厚方向的显微组织不均匀性显著,对后续发展完善的二次再结晶有重要作用。无论是热轧板,常化板还是冷轧板,它们的织构集中分布在γ取向线上,γ取向线的织构除取向密度不同外,织构种类是一致的,这说明γ取向线上织构是有继承性的。从热轧到常化,织构取向密度显著减小,经二次冷轧后,织构密度又显著升高,可见,轧制变形有助于织构的形成并使织构强度升高。 The influence of hot-rolled process parameters on the microstructure and texture of Fe-3.2%Si low temperature hot rolled grain-oriented silicon steel were researched by hot simulation experiment machine,light microscope and X-ray diffractometer.The results show that,Fe-3.2%Si silicon steel is rolled by the technology with a temperature of rough rolling of1110℃,finish rolling of 880℃,coiling with the speed of 10℃ /s,and then cooled to room temperature with air.The microstructure of hot-rolled sil... 

取向硅钢热轧板中织构梯度对发展完善的二次再结晶十分关键,通过添加铜可以显著降低取向硅钢板坯加热温度,从而影响热轧板织构分布。利用X射线衍射仪,分析了实验室模拟薄板坯连铸连轧(TSCR)工艺的3种不同铜含量的取向硅钢热轧板织构。结果表明:不同铜含量热轧板表面到厚度1/4处均为弱的热轧织构,热轧板心部主要为{100}面织构;铜含量约在0.4%时,热轧板次表层的{110}<001>织构比例最高,而热轧板心部的{100}<110>织构比例最低;铜含量对热轧织构中{114}<110>和{001}<100>织构发展有显著影响。 The texture gradient in hot rolled grain oriented silicon steel strip is one of the essential factors to achieve a perfect secondary recrystallization.The addition of copper can significantly reduce the slab reheating temperature of grain oriented silicon steel,so as to impact the texture distribution in the hot rolled strip.The texture of hot rolled grain oriented silicon steel strip as-rolled by thin slab casting and rolling process(TSCR) in laboratory with three different copper contents was ... 

本实用新型公开了一种成品取向硅钢片加工用的卷绕装置，包括机箱和卷绕机，所述机箱的下表面固定安装有底座，所述机箱的一侧表面靠近上方固定安装有控制箱，所述机箱的两侧表面靠近前方固定安装有伸缩机，所述机箱的前端面固定安装有挡板，所述挡板的前端设有卷绕机，所述底座的上表面且位于卷绕机的下方固定安装有定位筒，所述定位筒的内部活动安装有托杆。本实用新型所述的一种成品取向硅钢片加工用的卷绕装置，可以有效的控制卷绕机卷绕取向硅钢片的厚度，从而保证每次卷绕取向硅钢片的厚度都相同，利用伸缩机可以对不同宽度的取向硅钢片进行边缘位置的夹紧，并且可以控制卷绕板与卷绕机之间的间距，从而控制卷绕后取向硅钢片的内径大小。

采用光学显微镜和X射线衍射仪研究了常化退火处理对无取向硅钢热轧板和成品退火板显微组织和织构的影响。结果表明:常化退火处理消除了热轧板中的变形组织,促使变形晶粒完成再结晶;常化退火处理使高斯织构和立方织构易通过再结晶在变形带内形核和长大,可显著降低成品退火板的{111}和{112}不利织构组分的占有率,提高{100}和{110}有利织构组分的占有率,从而有利于提高无取向硅钢成品板的磁性能。 The effect of normalizing annealing treatment on microstructure and texture of non-oriented silicon steel hot rolled plates and final products were investigated by means of optical microscope and X-ray diffractometer analysis.The results show that the deformed microstructure of the hot rolled plates transformed into recrystallized grain after normalizing annealing treatment.The grains of Goss texture and cubic texture crystallographic orientation were formed and grown by recrystallization in the... 

本发明公开了一种控制无取向硅钢厚度稳定性的轧制工艺，涉及硅钢厚度控制方法领域。本发明通过降低硅钢精轧入口温度，并调节粗轧区域、精轧区域和卷取区域的生产参数，保证后续卷取工序的轧制稳定性及卷形质量，严格控制无取向硅钢的厚度稳定性。本发明提供的轧制工艺使硅钢的厚度命中率得到了明显提升，提升了后续冷轧工艺的轧制速度，轧制力波动减小，提高了产品质量。

对熔融态钢液进行处理,研究了电脉冲对于取向硅钢凝固组织的影响作用,利用正交试验法研究了脉冲电容、频率、处理时间和电压等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,凝固组织的等轴晶比例大幅上升,影响等轴晶比例的最显著性因素为脉冲频率,最优正交试验参数为电容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,利用经典形核理论和热力学对这一现象进行了解释。 The influence of electric pulse on the solidification structure of oriented silicon steel was investigated by applying electric pulse in molten steel.The affection due to different electric pulse parameters such as electric capacity,frequency,applied time and voltage was studied by orthogonal design test.The result showed that solidification structure of oriented silicon steel could be improved by the electric pulse,and the equiaxed crystal ratio increased obviously.The most influential paramete... 

无取向硅钢特别是中牌号以上的无取向硅钢,随着含硅量的提高,常温下塑性较差,冷轧过程中轧制力明显提高,如果存在原料质量问题,极易发生断带事故,影响硅钢冷轧过程的成材率和生产效率。通过优化冷轧工艺参数,可提高冷轧稳定性。生产中通过合理分配冷轧各道次压下量和轧制速度,保证了轧制过程的稳定,很大程度减少了冷轧断带事故的发生。 Non-oriented silicon steel, especially in the low and middle grade, with the increase of silicon content, plasticity is poor at room temperature, rolling force in cold rolling process significantly improved .If there is the quality defect of raw materials , easily sheet is rolling off. Affect finished product rate and production efficiency in process of cold-rolled silicon steel. Through optimization of cold rolled process parameter , improve the stability of cold-rolling process. Through reason... 

本实用新型涉及一种硅钢片叠压精准定位设备，包括压台、压板和仿形燕尾键，所述压台上开有与仿形燕尾键下端相对的限位槽，所述压板设置与压台上方，所述压板上开有与仿形燕尾键上端相对的限位孔。本技术方案当硅钢片叠放压合之后，仿形燕尾键可以去除，并能够在硅钢片组成的铁芯上形成燕尾槽，用于后期燕尾键的组装，且能够保证燕尾槽内的结构规则，便于后期燕尾键组装。

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 ... 

本实用新型涉及变压器铁芯全自动叠装产线技术领域，具体为一种可变距硅钢片吸附抓具，包括：第一铝型材，所述第一铝型材的底端两侧均安装有直线导轨，所述第一钣金连接件的一端与第二直推气缸的动力输入端相连接，所述第二直推气缸通过安装座固定安装在第一铝型材上，所述第一钣金连接件远离直线导轨的一端固定安装有第一气动吸盘；装配块，其设置在所述第二直推气缸远离直线导轨的一侧，所述第二钣金连接件的底端安装有第二气动吸盘。本实用新型通过设置的第二直推气缸能够推动第一气动吸盘在第一铝型材上滑动，如此能够改变第一气动吸盘的所在位置，从而能实现对不同长度的硅钢片的抓取，提高该种吸附抓具的适用范围。