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本发明公开了一种控制无取向硅钢边部黑线的生产方法,涉及硅钢轧制工艺领域。本发明提供的方法缩小加热区的装钢间距,降低粗轧冷却水量,并减小R1第一道次侧压量,增大R2末道次立辊侧压量,调整精轧区侧导板和卷取区侧导板的开口度,减少或消无取向硅钢边部黑线。本发明提供的生产方法控制了热轧卷边部翘皮黑线问题,将热轧卷出现边部黑线的概率由之前的60%以上降低至现在的3%以下,热轧及冷轧卷的表面质量得到了明显提升,酸洗裁剪量减小,成材率明显提升,冷轧过程的轧制稳定性也明显提升。
2021-01-07 170 6.8

利用FE-SEM、EDS分析了含不同抑制剂成分的成品取向硅钢中夹杂物的组成和形貌,统计其尺寸及数量分布;结合对磁性能测试的结果,分析了Sn、Cu、Nb和Cr对取向硅钢磁性能影响的机理。结果表明:含Sn的取向硅钢试样中夹杂物主要为块状的微米级Al-Ti-C-N-O复合物,还有少量的球形Al-N-O颗粒和块状Ti-C-N-O颗粒,棒状夹杂物较少;含Cr的取向硅钢试样中夹杂物主要为球形的微米级Al2O3,还有少量Cu-Al-N-O-S复合物,棒状夹杂物和不规则夹杂物均较少;含Cr试样中1~3μm夹杂物的平均尺寸较含Sn试样小,但数量多,而大于3μm夹杂物的平均尺寸较含Sn试样大,但数量很少。磁性能测试结果表明,外场为800A/m和2500A/m时,含Cr试样磁感应强度偏低,铁损值P1.7/50较含Sn试样高,为1.171W/kg。 The composition and morphology of inclusions in the finished grain-oriented silicon steels are analyzed by using FE-SEM and EDS, and the number density and size distribution of the inclusions are counted. The influence mechanism of Sn, Cu, Nb, and Cr on the magnetic properties of the steel is also discussed. Results show that the inclusions composition in the grain-oriented silicon steel samples containing Sn is mainly block Al-Ti-C-N-O, compounding with a few spherical Al-N-O and block Ti-C-N-O... 
2014-05-28 189 5.8

含铜抑制剂作为取向硅钢的主抑制剂或辅助抑制剂不仅可以抑制初次晶粒的长大,促进二次再结晶,还可以降低铸坯的加热温度。取向硅钢中主要抑制剂为10~50 nm Cu2S,在钢的铸坯、热轧、冷轧、脱碳等工艺过程均可析出;(Cu,Mn)1.8S、Cu1.8S、ε-Cu等主要作为辅助抑制剂,尺寸一般为30~50 nm(或大于50 nm),主要在热轧阶段析出。总结了国内外有关取向硅钢中含铜抑制剂析出行为的研究进展,当前主要研究不同生产流程和工序中含铜抑制剂的析出行为和作用机理。 As main inhibitor or auxiliary inhibitor for grain-oriented silicon steel,the particles of inhibitor bearing copper not only inhibit the primary crystal growing and promote the secondary recrystallization,but also decrease the heat temperature of casting slab.The main inhibitor for grain-oriented silicon steel is 10~50 nm Cu2S,which precipitate in process and procedure including steel casting slab,hot rolling,cold rolling and decarburizing process,while the 30~50 nm or more than 50 nm... 
2013-03-28 171 5.8

介绍了国内、外电工钢极薄带的生产现状及市场应用的情况,以及典型生产企业的生产规模、产品性能和应用领域,指出扩大高牌号无取向电工钢生产、提高产品质量是目前电工钢发展的迫切要求。 The production situation and market application of ultra thin electrical steel strip at home and abroad were described.The production capability,product property and application area of typical corporation were introduced.The results indicate that the urgency needed of electrical steel development is expanding high-grade non-oriented electrical steel production and improving products quality at present. 
2011-04-28 183 5.8

本发明实施例涉及一种硅钢片冲剪设备及冲剪工艺,该设备包括冲床、送料台、第一刀模、第二刀模和第三刀模;送料台用于传送待加工的硅钢条;第一刀模用于冲剪硅钢条以在硅钢条上形成预设形状的第一凹槽,第一凹槽处构成“工”字形硅钢片的一侧凹部;第二刀模用于冲剪硅钢条以在硅钢条上形成预设形状的第二凹槽,第二凹槽与所述第一凹槽相对应,第二凹槽处构成“工”字形硅钢片的另一侧凹部,第二刀模与硅钢条在硅钢条的横向方向上能够产生预设距离的相对位移;第三刀模用于沿硅钢条的横向方向剪断硅钢条。该设备能够采用硅钢片低成本、高效率地制造“工”字形硅钢片。
2021-04-14 135 6.8

【作者】 党其; ...
2013-11-28 124 5.8

阐述了影响硅钢卷材下料利用率的因素,并结合具体事例利用计算机排样系统进行了详细分析,对提高硅钢卷材的利用率具有一定的指导作用。 It describes the factors influenceing the the utilization ratio of the roll of Silicon steel,and analyzes it in detail combined with concrete examples by a computer arrangement system,which can give a guide for increasing the utilization ratio of the roll of Silicon steel. 
2011-02-28 180 5.8

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。
2021-09-07 172 6.8

研究了激光加热辅助圆盘剪高速切割技术,以解决现有冷轧生产线硅钢切边技术存在的微裂纹、应力、毛刺和边浪等问题。建立了激光加热温度场有限元分析模型,根据生产线上圆盘剪加工的实际过程,探讨了数值模拟中热源的加载形式,研究了激光对板材进行辅助加热时各个工艺参数如激光功率、光斑尺寸以及激光入射角度对切割工艺的影响,并通过实验对工艺参数进行了优化。最后,进了验证实验。实验结果显示:当激光加热点运动至圆盘剪刃口位置时,温度为100℃左右,此时材料硬度降低到原有硬度的70%~80%,降低了切削力,减少了圆盘剪的磨损,可有效提高圆盘剪的寿命。 Laser assisted trimmer side cutting technology was studied to overcome the problems such as micro cracks,stress,burrs and edge waves existing in a cold rolling production line of silicon steel side cutting.A finite element analysis model for the laser hearting temperature field was established, the loading form of a heating source was determined and influences of various processing parameters like laser powers,spot sizes,and laser incident angles on laser assisted heating sheet materials were di... 
2014-05-28 166 5.8

一种硅钢片测量装置,属变压器绝缘件生产技术领域,包括工作台、止动滑块、纵梁和测量部,止动滑块安装在工作台上,纵梁架设在止动滑块和工作台上,测量部安装在纵梁上。工作台包括台面、立柱和横向燕尾槽,四个立柱将台面支撑于地面,台面的下侧安装一个横向燕尾槽。止动滑块安装在横向燕尾槽内,止动滑块包括块体、推杆、楔块、挡片、弹簧和蘑菇头,块体横向具有通孔,通孔内安装推杆和弹簧,块体纵向具有一对侧槽,侧槽内安装楔块,通孔内具有一个凸台,凸台位于靠近蘑菇头的一侧,蘑菇头用于弹簧的限位。止动滑块上安装纵梁,纵梁包括滑板、纵向燕尾槽,滑板的一端安装在止动滑块上,滑板上具有纵向燕尾槽,纵向燕尾槽上安装测量部。
2021-07-19 150 6.8

介绍了普通取向硅钢(CGO)和高磁感取向硅钢(Hi-B)铸坯高温加热两次冷轧、一次冷轧和铸坯低温加热两次冷轧、一次冷轧法4种成熟生产工艺的主要技术参数,取向硅钢理论研究(Goss晶核和抑制剂)和生产技术现状。取向钢的发展趋势为:提高(110)[001]晶粒取向度,降低取向硅钢铁损,发展铸坯低温加热(≤1 300℃)和薄板坯连铸连轧流程生产取向硅钢工艺。 Main technology parameters of four developed process:cast bloom higher temperature heating-double cold rolling or single cold rolling,lower temperature heating-double cold rolling or single rolling process for production of common grain oriented silicon steel(CGO) and high magnetic induction grain oriented silicon steel(Hi-B),theory research on grain oriented steel(Goss nucleus and inhibitor) and present situation of process are summarized in this paper.The development trend of grain oriented si... 
2013-05-28 188 5.8

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