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本发明涉及硅钢技术领域,尤其涉及一种硅钢连退炉辊除瘤方法及装置。包括连杆、手柄、磨削片、密封盖、端盖与套筒;磨削片垂直固接在连杆一端的外壁上,手柄固接在连杆的另一端,手柄与磨削片处于同一平面上;连杆套接在套筒内,连杆能沿套筒轴向移动,套筒固接在端盖上;硅钢连退炉辊下方的炉墙设有与连杆及磨削片相应的磨辊孔,端盖或密封盖固接在磨辊孔处。1)确定结瘤炉辊;2)确定结瘤在碳套辊上的位置;3)插入除瘤装置;4)磨削;5)抽出。本发明降低废品量,提高成材率;减少停炉处理结瘤时间,降低能耗,提高生产率;提高难磨瘤辊的修复率,降低炉辊成本。
2021-07-12 154 6.8

采用拉伸试验和显微组织观测的方法确定了GTN损伤模型中的9个损伤参数,运用GTN损伤模型对冷轧硅钢薄板边部缺陷的扩展及边裂的产生进行了有限元模拟,并与预置缺口的钢板轧制试验进行对比。结果表明:轧制过程中边部缺陷是造成钢板边部裂纹萌生和扩展的一个重要原因,GTN损伤模型可用来预测含边部缺陷硅钢薄板在冷轧过程中边裂的产生;预测结果与试验结果基本一致。 The crack initiation and propagation of silicon steel strip with edge defect during cold rolling process was studied by using GTN damage model in this paper.Nine damage parameters in GTN model were identified by tensile testing and microstructure observing,and then the FE simulation of edge defect evolution of silicon steel strip during rolling process was conducted on the base of GTN damage model,and then the results were compared with rolling experimental results.The results show that the edge... 
2013-01-28 150 5.8

利用光学显微镜(OM)和扫描电镜(SEM)研究了不同稀土Ce含量的50W470无取向硅钢的铸坯、热轧板和冷轧退火板的宏观和微观组织,并采用磁性能测试仪测定其磁性能。结果表明:当稀土Ce的加入量从0增加到66×10-6(质量分数)时,铸坯的柱状晶平均宽度从3.82 mm减小到3.24 mm,等轴晶率从43.1%增加到51.3%;热轧板的平均晶粒尺寸逐渐增加,从26.2μm增加到33.3μm,再结晶百分数从24%增加到37%;退火板的平均晶粒尺寸从36.2μm增加到39.3μm;磁性能测试表明,微观组织的变化有利于50W470无取向硅钢铁损降低和磁感提高。 Macro-structure and microstructure of as-cast plate, hot rolled plate and cold rolled annealed plate of 50 W470 non-oriented silicon steel with different rare earth Ce content was studied by optical microscope(OM) and scanning electron microscopy(SEM), and their magnetic properties were measured by magnetic property tester. The results show that when the addition amount of rare earth Ce increases from 0 to 66×10-6(mass fraction), the average width of columnar crystal of the as-cast pl... 
2022-03-28 182 5.8

本实用新型公开了一种铁芯硅钢片卷料的上料装置,包括升降机构、固定座、转动执行机构和转动平台,所述固定座固定设置在地面上,所述升降机构相邻设置在固定座的一侧,所述固定座对立于升降机构的一侧设置有转动平台,所述转动平台的一端铰接设置在固定座上,且所述转动平台的另一端为自由端,所述转动平台在竖向面内朝向或远离于升降机构偏转,所述固定座上设置有转动执行机构,所述转动执行机构驱动转动平台转动;所述转动平台上的物料通过转动可位移至固定座和升降机构上,能够安全的、快速的将卷料转移至升降机构上,从而便于上料。
2021-12-10 151 6.8

结合工业化生产的无取向硅钢,进行了RH精炼喂CaSi线去除钢中的非金属夹杂物试验研究。针对不同的钙处理条件,分析了CaS夹杂生成热力学,观察了夹杂物的形貌和尺寸分布,确定了夹杂物的类型、数量,探讨了钙处理后钢中夹杂物的变化规律。结果表明,本试验条件下,钙处理可以有效抑制MnS、AlN夹杂物的生成,有效促进钢中微细夹杂物的聚合、上浮、去除,钢质纯净度明显提高。经过合适的钙处理后,钢中的夹杂物以独立存在的CaO为主,同时有少量含CaO、SiO2、MgO的复合夹杂,没有发现CaS夹杂存在。这部分夹杂物的尺寸集中分布在2~20μm,数量约为1.8×105个/mm3。 Experimental study on removal of non-metallic inclusions in non-oriented silicon steel obtained from industrial production by CaSi wire feeding during RH refining process was carried out.The thermodynamics of CaS inclusion formation was analyzed,the morphology and the size distribution of inclusions were observed,and the numbers and types of inclusions were also determined for the steel specimens treated under different calcium treatment conditions.Furthermore,the variation of inclusion characte... 
2013-01-28 151 5.8

本发明公开了一种极薄取向硅钢铁芯及其制造方法,所述制造方法,包括:S1、剪切分条:将取向硅钢根据制作铁芯的宽度要求进行分条剪切;S2、卷绕:根据铁芯的规格型号要求,选取铁芯模具进行卷绕;S3、压块固定:将卷绕好的铁芯用压块固定;S4、退火加工:将固定好的铁芯,阶梯式升温至780℃保温3h退火处理,保护气氛为氮气,之后冷却降温;S5、浸胶:将降温后的铁芯,进行真空浸胶处理;S6、烘干:将浸胶处理后的铁芯烘干处理;S7、装配。该发明制造的极薄取向硅钢铁芯,能彻底消除内应力,磁路各处均无高磁阻存在,空载电流与励磁电流均大幅度下降,从而最大限度的恢复了极薄取向硅钢加工后原有择优取向织构及电磁性能。
2021-01-18 163 6.8

本实用新型属于硅钢片加工技术领域,具体涉及一种利于常化的硅钢缝合结构,包括上层硅钢片、下层硅钢片和连接带,下层硅钢片的一端位于上层硅钢片的下方并与上层硅钢片叠合,上层硅钢片和下层硅钢片的叠合处开有多个排成直线的桥型孔,连接带依次穿过各个桥型孔并同时卡合在上层硅钢片和下层硅钢片上。本方案中,在上层硅钢片和下层硅钢片的叠合处开设桥型孔,利用连接带穿过上层硅钢片和下层硅钢片叠合处的桥型孔,相当于利用连接带将上层硅钢片和下层硅钢片缝合在一起,这样设置能够较好将上层硅钢片和下层硅钢片连接成一体。
2020-12-31 125 6.8

针对川威950的工艺现状,结合无取向低硅钢SGG生产的工艺特点,主要从控制其钢坯加热和轧制以及终轧温度和卷曲温度几方面入手,进行无取向低硅钢生产的工艺控制研究。同时根据近6000吨的生产实践表明,该工艺措施能很好的满足该钢种的需要。 950 process Chuanwei status quo,with non-oriented silicon steel production process features low,mainly from the control of billet heating and rolling and finish rolling temperature and coiling temperature of several aspects,for non-oriented silicon steel production process of low control at the same time According to nearly 6,000 tons of production practice shows that the process measures could well meet the needs of the steel. 
2011-01-28 190 5.8

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... 
2011-05-28 156 5.8

提出以“云边一体化架构”构建硅钢智慧决策系统,来解决原硅钢制造L1~L5系统架构模式下的数字信息孤岛、业务功能割裂等问题。在此基础上,开发了云边协同的自学习型控制模型及业务决策模型,构建起硅钢“智慧大脑”,形成了以研发、制造、服务等核心业务数字化融合的智能化决策支持新模式,探索出一条钢铁制造业数字化、智能化转型之路。 SIDS(Silicon-steel Intelligent Decision-making System)based on \"cloud-edge integration architecture\" was proposed to solve the problems of data silos and business function fragmentation in the original L1~L5 system architecture.On this basis,the self-learning control model and decision-making model of cloud-edge collaboration were developed,the \"smart brain\" of silicon steel department was constructed,and a new intelligent decision-making support model of digital integration of core businesses s... 
2022-02-28 193 5.8

本申请提供一种电工钢及其制备方法,制备方法包括:将电工钢的板坯进行热轧获得钢卷;将热轧后的钢卷进行酸洗冷轧;将酸洗冷轧后的钢卷进行第一次罩式退火;将第一次罩式退火后的钢卷进行平整;将平整后的钢卷进行第二次罩式退火;将第二次罩式退火后的钢卷进行重卷,以获得电工钢。本申请提供的电工钢的制备方法采用两次罩式退火,退火的主要目的是消除酸洗冷轧工序产生的加工硬化,使钢板充分再结晶,获得理想的铁损及磁感应强度。而采用两次罩式退火,相对于一次罩式退火工序来说,能够进一步降低铁损,提高电工钢的磁性能。
2021-06-04 167 6.8

为了优化激光刻痕降低取向硅钢铁损的工艺,寻找刻痕速度、脉冲能量、扫描间距等重要刻痕参数的最佳匹配关系,提出了一种基于人工神经网络与遗传算法的优化模型,并利用这种模型对30Q130取向硅钢材料的刻痕工艺进行了优化实验,结果表明,这种模型稳定可靠,可以作为取向硅钢刻痕工艺优化的一种有效的措施。 A laser is often considered to scribe the grain-oriented silicon steel surfaces after cold-rolling and annealing to reduce the core loss.It is necessary to select the best scribing parameters to maximize the reduction in this process.This paper proposes an optimization method of genetic algorithm during laser scribing of 30Q130 steel,by developing an artificial neural network prediction model using a database form a designed orthogonal experiment.The objective is to determine the best combinatio... 
2011-08-28 141 5.8

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