硅钢资料

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... 

本发明涉及一种含磷无铝高效无取向硅钢生产方法，生产方法取消常化工艺，具体步骤如下：1)将钢水冶炼至目标成分后，浇铸成坯；2)板坯热装，热装温度≥500℃，热轧板坯加热炉均热段板坯温度1150～1200℃；终轧温度控制在860～930℃，卷取温度700～800℃3)酸洗后冷轧，控制冷轧整体压下率80％以内，至成品厚度；4)连续退火炉快速加热段温度设定1050～1180℃，增加有利织构组织形核，均热段温度设定830～950℃，全氮气干气氛保护，退火工艺速度120～150m/min，满足晶粒度8～4级。本发明不需进行热轧卷常化处理，降低了制造成本。

分析了冲裁硅钢芯片时出现的质量问题,针对影响硅钢芯片冲裁质量的4大因素——人、原材料状态、工艺和工装进行了工艺试验和分析,根据原材料状态的差异,采用不同工艺方案,特别是如何合理选择冲裁模具间隙,解决了硅钢芯片冲裁时产生的主要质量问题,使冲裁的硅钢芯片达到最佳质量状态,并满足硅钢芯片的使用性能。 The problems occurred during silicon steel chip punching and the factors that affect the quality of silicon steel chip punching were analyzed,the factors include 4aspects,that is,people,raw material status,process and frock,at the same time,process tests and analysis aimed at the factors that affect punching quality were did,according to the difference of raw material status,corresponding process schedules wee taken,especially in how to reasonably select punching dies clearance,which solved the ... 

采用RH精炼添加钙合金方式对硅钢进行钙处理。结果表明,钙合金添加量为0.67、1.00、1.67kg/t钢时,钢中钙含量分别为0、2×10-6、4×10-6;随着钙合金添加量增大,钢中夹杂物粒度逐渐由0～2μm向2～4、4～6μm偏移;不同钙处理条件下,钢中均存在粒径小于1μm和粒径为1～5μm的MnS、CuxS夹杂物,后者或单独存在,或同AlN、CaS夹杂复合;粒径为5～10μm区间,钢中的夹杂物基本以钙的氧、硫化物为主。与钙处理前相比,钙合金添加量为0.67、1.00、1.67kg/t钢时,粒径小于1.0μm的微细夹杂物减少幅度分别为68.06%、87.50%、94.94%。钙合金添加量为1.67kg/t钢时,可以去除钢中绝大部分的微细夹杂物。 Ca alloy was added into the liquid steel during RH refining,and the results show that Ca concentration in final Si steel sheets is insignificant,about 0,2×10-6 and 4×10-6 when the added amount of Ca is 0.67,1.00 and 1.67 kg/t steel,respectively.With the increase in the added Ca alloy amount,the inclusions in the steel gradually change from those of 0～2 μm to those of 2～4 and 4～6 μm.Under different Ca treatments,there exist MnS and CuxS inclusions whose size is below 1 μm as well as MnS and CuxS ... 

根据现场实际的生产控制情况,指出了热轧原料断面轮廓缺陷以一定的比列遗传给了冷轧带钢,分析了不同热轧原料断面轮廓对冷轧电工钢尺寸精度的具体影响,提出了相应的规律。并阐明了严格控制热轧原料断面轮廓形貌,对保证冷轧电工钢尺寸精度具有重大意义,对于中国现行的冷轧电工钢生产具有指导意义。 Based on the actual situation of production control,it was pointed out that the section profile defects of hot-rolled raw materials were geneticed to the cold-rolled strip.The specific impact analysis for the profile of different hot-rolled raw materials to the dimensional accuracy of cold-rolled silicon steel was analyzed.As a result, the corresponding orderliness are given;And the strict control to section profile of the hot-rolled material is of great significance to ensure the dimensional ac... 

通过Axio Imager金相显微镜考察4.5%~7.0%硅(质量分数)对高硅钢材料组织形貌的影响,并利用Fe-6.5%Si高硅钢薄板制备方法对其进行轧制,通过DDL50电子万能试验机对阶段产品进行力学性能测试。结果证明,硅含量为5.58%的高硅钢在实验硅含量区间内存在最大延伸率及最小铸态组织晶粒尺寸。 An investigation about the influence of 4.5%-7.0% Si on microstructure and mechanical properties of high-silicon steel was presented.SEM was adopted to take an observation towards microstructure during fabrication,and DDL50electronic universal testing machine was applied into the detection of tensile curves.The results show that silicon steel with 5.58% Si provides the maximum elongation and minimum grain size as cast. 

本发明提供一种电磁屏蔽用1050铝/50W800无取向电工钢钢板生产方法，包括S1)、将轧制好的铝卷和钢卷分别放置在两个开卷机上开卷；S2)、开卷后分别采用HCl、NaOH溶液清洗；S3)、用旋转钢丝刷法对铝板、钢板待结合面进行机械处理10‑15s；S4)、将铝板、钢板置于丙酮溶液中超声波清洗2‑3min；S5)、将表面处理后的铝板、钢板进行预拉伸或者预压缩，S6)、将预应力处理的铝板、钢板边部进行焊接；S7)、将焊接好的钢铝板进行轧前的预热处理；S8)、然后进行连续退火炉中进行退火处理，本发明将金属铝板、钢板通过热轧轧制复合化结合在一起，界面剪切强度≥100MPa，反复弯曲次数≥10次。

本发明提供一种在同一卷材内得到稳定的磁特性的方向性电磁钢板的制造方法。上述方向性电磁钢板的制造方法，包括如下步骤：将具有规定的成分组成的钢坯热轧而制成热轧板，将上述热轧板退火而制成热轧板退火板，对上述热轧板退火板实施1次或隔着中间退火的2次以上的冷轧而制成最终板厚的冷轧板，对上述冷轧板实施一次再结晶退火和二次再结晶退火；上述冷轧包括至少1次的压下率为80％以上且轧制速度为设定值R0(mpm)期间的钢板温度T0(℃)与轧制速度为0.5×R0(mpm)以下期间的钢板温度T1(℃)满足式(1)的冷轧。

从影响高牌号无取向硅钢退火工艺的主要参数入手,介绍高牌号无取向硅钢退火炉在加热、气氛控制、冷却、涂层烘烤方面的新技术,并展望无取向硅钢退火炉的发展方向。 Based on the technology parameters of high-grade non-oriented silicon steel annealing,the new technology of the annealing line,which includes heating,atmosphere control,cooling,coating baking,is introduced,and the development direction of non-oriented silicon steel annealing furnace is pointed out. 

本实用新型涉及板材加工设备领域，具体为变压器铁芯硅钢片打磨设备，包括本体，本体内部开设有工作腔，本体内部设置有用于运输硅钢片的运输机构，本体内部设置有用于打磨硅钢片的打磨机构，本体内部设置有用检测硅钢片边缘整洁程度的检测机构，本实用新型通过运输机构和打磨机构进行配合从而对硅钢片进行去除毛刺和毛边，从而保证铁芯中每组硅钢片均不直接接触；通过检测机构对加工完成的硅钢片进行毛刺和毛边的检测，进一步保证了每组硅钢片的整体质量以及尺寸的精准。

研究了常化对CSP流程生产的wSi=1.6%的无取向电工钢组织、织构和成品磁性能的影响。结果表明,经CSP流程生产,且在相同的冷轧及退火制度下,经1 000℃×2min常化处理的wSi=1.6%的无取向电工钢热轧板,其最终退火成品的铁损P15/50比不常化试样下降了10.5%,磁感B50比不常化试样提高了2.5%;常化使wSi=1.6%的无取向电工钢成品的平均晶粒尺寸增大,成品铁损P15/50相应减小;同时,常化使wSi=1.6%的无取向电工钢成品中高斯织构的强度增加,γ纤维织构的强度减弱,这有利于成品磁感B50的提高。 The effect of normalizing on microstructure,texture and magnetic properties of non-oriented electrical steel with wSi=1.6% produced by CSP process was investigated.The results show that,under the same cold rolling and annealing system,the iron loss(P15/50) of annealed samples whose hot bands has been normalized by 1 000 ℃×2 min process decreases by 10.5% and magnetic induction(B50) increases by 2.5% compared with the samples whose hot bands was not normalized.The average grain size of non-orient... 

本发明涉及到一种铸铝转子硅钢片、采用该硅钢片的转子及制造转子的方法，该铸铝转子硅钢片包括圆形板片状本体，本体中心开设有转轴孔，本体上还以转轴孔为中心周向均布有多个铸铝孔，本体外缘设置有与铸铝孔一一对应的凹槽，本体两侧侧面均涂覆有绝缘层。采用上述硅钢片的转子包括转轴，所述转轴上套接有铁芯，该铁芯由大量上述的硅钢片层层叠压而成，每片硅钢片上的铸铝孔均相互正对，在铁芯上形成多条贯穿铁芯的通孔，每条通孔内设置有一条导条，铁芯两端分别连接有导电端环，各导条的两端分别伸出通孔与导电端环电性连接，各导条对两导电端环的拉力使两导电端环紧压在铁芯两端。