钢厂
CN202120101576.2一种硅钢片叠片结构
本实用新型公开了一种硅钢片叠片结构,涉及到硅钢片叠片技术领域,包括安装架,安装架的一侧面的两端均通过轴承活动插接有转动轴,转动轴的一端固定连接有转运轮,一个转动轴的中部外侧固定套接有从动齿轮,从动齿轮的一端啮合连接有主动齿轮,主动齿轮的转轴的一端通过轴承与安装架活动插接,主动齿轮的转轴的中部外侧和另一个转动轴的中部外侧均固定套接有皮带轮。本实用新型通过在一个转动轴的中部外侧固定套接有从动齿轮,从动齿轮的一端啮合连接有主动齿轮,主动齿轮的转轴中部和另一个转动轴的中部均固定套接有皮带轮,两个皮带轮之间通过传动皮带传动连接,因此电动机工作时能够带动两个转运轮同步逆向转动。
无取向电工钢孔洞缺陷控制实践
针对马钢无取向电工钢孔洞缺陷的分布规律及形貌特征,对缺陷样进行了显微分析,并利用生产实绩数据分析了该缺陷产生的原因。结合热轧生产过程,主要通过避免带钢撞击导卫以及降低导卫结瘤的产生等措施,可有效抑制热卷异物压入产生,从而降低冷轧工序孔洞的产生。 In viewing of the distribution and morphology characteristics of the hole defect of non-oriented electrical steel in Maanshan Iron and Steel Co.,Ltd.,the causes of the defect were analyzed by micro analysis of the defect sample and the production data.Combined with the production process of hot rolling,by avoiding the impact of strip steel on the guide and reducing the nodule formation on the guide,the pressing of foreign bodies in hot coiling could be effectively suppressed,thus reducing the fo...
硅钢CSP工程辊底式均热炉技术特点
介绍了硅钢CSP工程辊底式均热炉的技术特性,详细阐述了辊底式均热炉工艺特点。根据硅钢均热要求,通过采取不同烧嘴布置方法和燃烧控制技术,选用耐火纤维模块和绝热材料等相关技术措施,满足了出钢温度要求。 The technical specialty for roller hearth furnace of silicon steel CSP Plant was introduced,and the technology characteristics of the roller hearth furnace were illuminated in detail.According to the reheating require of the silicon steel,different burner arrangement and combustion control methods were applied,and technology measures such as selecting refractory fiber module and insulation material and so on were taken,the temperature requirement of silicon steel was met.
退火温度对无取向电工钢磁晶各向异性能的影响
采用取向分布函数分析了无取向电工钢不同再结晶退火温度下的织构变化及织构对磁感应强度和铁损的影响,并计算了无取向电工钢的磁晶各向异性能。结果表明,随着实验钢的再结晶退火温度升高,Goss织构和立方织构组分显著增强,而{111}面织构强度却减弱。较高的退火温度有利于减小织构因子,提高磁感应强度。磁晶各向异性能计算结果显示,随着再结晶退火温度升高,无取向电工钢板的磁晶各向异性能降低。 The recrystallization texture and the relationship of texture to magnetic induction intensity and core loss of a non-oriented electrical steel were investigated by orientation distribution function analysis. The magnetic anisotropy energy of the steel was calculated also. The results show that,the intensity of Goss texture and cubic texture increases,but the intensity of { 111} texture decreases with increasing recrystallization annealing temperatures of the steel. The higher annealing temperatu...
CN202110086102.X一种高硅钢及其制备方法
本发明提供了一种高硅钢及其制备方法,所述高硅钢由如下质量分数的化学成分组成:Si:5.0‑7.0%,Ni:0.001‑0.05%,Ce:0.0001‑0.0002%,其余为Fe和不可避免的杂质。本发明提供的高硅钢的延伸率为15‑22%,抗拉强度为739‑824MPa,磁感应强度B8为1.26‑1.29T,铁损P2/10k=68‑80W/kg,矫顽力为10.6‑13.4/m,最大磁导率为19000‑25000,具有良好的磁性能和延伸性能,易加工且可大规模生产应用。
CN202120638252.2无取向硅钢蠕变性能测试装置
本实用新型涉及一种无取向硅钢蠕变性能测试装置,包括基座,基座的顶部和侧面设有开口;试样夹持装置,试样夹持装置安装在基座的顶部,用于夹持硅钢蠕变试样;转换力杆,转换力杆安装在基座的侧面,与试样夹持装置连接;可调节式砝码盘,可调节式砝码盘安装在转换力杆上,可调节式砝码盘上能够放置不同重量的砝码,转换力杆将砝码的重力转换成水平力,以实现对硅钢蠕变试样不同应力水平的加载;可调节式灯座,设置在试验腔内并与基座的侧面插接;加热装置,放置到可调节式灯座上,用于给硅钢蠕变试样加热。本实用新型具有解决无法实现不同应力和温度下硅钢材料的蠕变研究的问题的效果。
CN202111404409.6用于测量电工钢片的二维磁性能的系统及方法
本发明公开了一种用于测量电工钢片的二维磁性能的系统及方法,所述系统通过将承载待测样品的托盘与旋转机构连接,在测量各个角度的二维磁性能时只需控制旋转机构驱动待测样品转动,旋转机构的负载很小,旋转机构的制作较为简单。而且,励磁测量线圈是绕制在托盘的外围,而不是在磁轭上,这样使得待测样品相当于处于一个均匀的螺线管中,磁场更加均匀,保证了磁场测量的准确性,并且励磁源不需要像RSST一样要保证两路励磁机构的相位差的准确度,从而使得励磁源的制作更加简单,降低了制作的成本和门槛。同时,不需要对待测样品打孔来绕制线圈,待测样品无破坏,可以保证待测样品的完整性以及数据的重复性和可对比性,测量结果更可靠。
CN202122016175.X一种具有废料回收机构的硅钢板带加工用切割装置
本实用新型公开了一种具有废料回收机构的硅钢板带加工用切割装置,包括箱体,所述箱体的前侧靠近顶部处设有电机,所述箱体的顶部靠近前侧处固定连接有竖板,本实用新型一种具有废料回收机构的硅钢板带加工用切割装置,电机在工作时既能带动切割刀进行切割作业,同时还能带动第一筛板和第二筛板以相邻转轴为中心上下摆动,切割的废屑从切割槽穿过达到箱体内腔,第一筛板和第二筛板对废料进行筛分处理,通过隔板设置,隔板将集料盒分为两个存储空间,隔板右侧存储穿过第一筛板和第二筛板的细料,隔板的左侧存储被第一筛板和第二筛板过滤下来的粗料,既方便操作人员对废料进行集中处理,还对废料进行了筛分处理,以此方便对废料进行分类重复利用。
凝固速率对定向凝固50W600无取向硅钢固液界面稳定性和枝晶间距的影响
采用ZMLMC超高梯度定向凝固装置,研究了5种凝固速率(10、35、80、150和450μm/s)对定向凝固50W600无取向硅钢的固液界面稳定性转变规律和一次、二次枝晶间距的影响。研究结果表明,在特定的温度梯度下,随着凝固速率的增加,定向凝固的固液界面由胞状晶转变为胞状枝晶,再转变为细小的树枝晶。随着凝固速率的增加,定向凝固组织的枝晶形貌逐渐细化,一次和二次枝晶间距逐渐减小,且与冷却速率之间都符合指数关系:λ1=151.73×(G L·R)-0.31,λ2=22.07×(G L·R)-0.44。当冷却速率达到4.275℃/s时,一次、二次枝晶间距分别为112μm、14.1μm。 Under the conditions of certain temperature gradient and different solidification rate,the directional solidification experiment of non-oriented electrical steel 50W600 was carried out.The microstructure of 50W600 steel was also analyzed in different solidification rate.The result shows that the solid/liquid interface of the steel undergoes an evolution from cellular,cellular dendrite and finally to fine dendrite morphologies.The dendrite refines gradually and the distance between dendrites decr...
火花源原子发射光谱法在线测定电工钢中的超低碳
采用火花源原子发射光谱分析测定电工钢中超低C,研究试样制备方法、Ar纯度和压力等条件对分析结果的影响,并对工作曲线进行了优化,实现了一次分析同时测定电工钢的多种元素,满足炉前和精炼在线分析的要求。 Ultra-low carbon in electrical steel is determined with spark-source atom emission spectrum.It is researched the influence of sample making method,purity of Ar,and pressure on analysis result.The work curve is optimized.The determination of many elements in electrical steel only in one analysis is realized.It meets demands of on-line analysis for blast furnace and refining.
新能源车电机用硅钢选材分析
为了提升新能源车用驱动电机的功率密度,各大电机厂商都在不断地提升电机转速,随之而来的问题就是电机的铁耗也在不断增高,如何降低电机铁耗成为了电机厂商必须要解决的难题。本文讨论了电机铁耗的组成部分及影响因素,并对1台8极48槽的永磁同步电机分别使用3种不同厚度的材料进行仿真,对比其效率及铁耗分布,推导出驱动电机中硅钢厚度、铁耗及成本的关系,最后对驱动电机选材提出建议。 In order to increase the power density of traction motor for new energy vehicles,major motor manufacturers have been constantly increasing the motor speed.The following problem that manufacturers have to solve is how to reduce the increasing iron loss when the motor speed is increased.The components and influencing factors of motors’ iron loss were discussed in this paper,and an 8-pole 48-slot permanent magnet synchronous motor using three different thickness materials was simulated.To compare i...
含核壳异质结构6.5% Si高硅钢铁芯的制备与磁性能
以构建高磁感、低铁损、免轧制高硅电工钢铁芯为出发点,提出采用单辊甩带制备非晶铁硅合金薄带、微氧化法在铁硅合金粉末表面包覆高电阻率铁硅氧化物薄膜制备核壳异质结构高硅电工钢纳米粉末、放电等离子烧结快速成形制备颗粒间绝缘的高硅电工钢铁芯。研究了不同氧化包覆时间对SPS烧结试样密度、物相组成、微观结构和静磁性能的影响。研究表明,在氧化包覆5h烧结温度800℃工艺条件下,制备的6.5%Si高硅电工钢铁芯的静磁性能最佳,饱和磁化强度为128.84A.m2/kg、矫顽力为2.25kA/m、剩磁为3.47A.m2/kg。其饱和磁化强度与粉末压延法制备的高硅钢相当,但矫顽力降低了1/3。 The paper takes preparation 6.5%Si steel with high induction,low core loss and removing rolling as the starting point,amorphous Fe-Si ribbons was synthesized by melt spinning method,6.5%Si steel nanopowders with high resietivity core shell structure was prepared by the slight oxidation process and 6.5% Si steel iron core with evaluating internal was sintered by spark plasma sintering process(SPS).The essay focuses studies the effects of different oxidation cladding time on sample density,phase c...

