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本实用新型公开了一种用于硅钢板带加工的整平装置,包括底座,所述底座的上表面固定设有下安装座,所述下安装座上设有下整平机构,所述底座的上表面固定连接有门型安装架,所述门型安装架的顶部贯穿设有螺杆,所述螺杆的底面设有上安装座,所述上安装座的正面通过轴承座转动连接有第三转轴,所述第三转轴的外表面固定连接有调向齿轮,所述上安装座上设有上整平机构。本实用新型通过设置通过设置多组上整平辊和下整平辊,改善该装置的整平效果,且通过转动齿轮与调向齿轮的设置,使该装置的多个上整平辊同步转动,且相邻两个整平辊之间的间隙可以设置的较小,使该装置结构紧凑,提高空间利用率。
2021-08-25 142 6.8

一种分步调控制备高磁感高强度无取向电工钢的方法,按以下步骤进行:(1)按设定成分采用转炉冶炼钢水,制成连铸坯,含C0.001~0.008%,Si1.5~4.8%,Cu0.5~2%,Ni0.5~1.5%,Al0.2~1%,Mn0.2~1.5%,P<0.005%,S<0.005%,其余为Fe;(2)将连铸坯置于均热炉保温,多道次热轧相邻两道次间隔时间为30~180s;空冷;(3)常化处理;(4)多道次冷轧;(5)退火处理;(6)时效处理。本发明的方法成本较低、工艺简单,生产的无取向电工钢兼具优异的力、磁性能,能够很好的满足驱动/牵引电机的使用需求。
2021-08-09 112 6.8

本实用新型公开了一种冲制电机硅钢片用高速冲床的润滑油温控调节装置,包括换热机体、呈上下布置在换热机体内的冷冻水出水汇总管与冷冻水进水分配管以及冷冻水热交换换热管,冷冻水进水分配管、冷冻水热交换换热管和冷冻水出水汇总管依次连接,冷冻水进口外接冷冻水流量调节阀,冷冻水出口流出的冷冻水回流至冷却水池;换热机体顶部的一侧、另一侧分别开有进油口、出油口,进油口设油温检测盲管,油温检测盲管内设感温探头,感温探头与冷冻水流量调节阀信号连接。采用冷冻水换热冷却高温润滑油,带走油液热量,通过对冷冻水的流量控制调节,冷却后的油液温度恒定,以满足冲床润滑、冷却需要,以及减少冲床的换油周期。
2021-07-24 148 6.8

对应用动态加热进行短时温度退火的取向电工钢进行了二次再结晶研究。所进行研究的实验用取向电工钢是经过终冷轧和后续罩式退火后的一条工业化生产线生产的。研究结果表明,运用短时热处理条件可引起研究钢完全的异常晶粒长大。在实验室处理的材料的织构和金相组织与工业化生产的经过终退火而获得的相同的取向电工钢类似。但是,在实验室处理的取向电工钢的二次再结晶的矩阵中可观测到\"寄生\"晶粒。从磁性观点看,这些\"寄生\"晶粒含有不理想的{111}取向织构。 The present study was made to investigate secondary recrystallization in grain-oriented steels annealed at short time temperature exposures with application of dynamical heating.The investigated GO(Grain Oriented) steels for experiments were taken from one industrial line after final cold rolling reduction and subsequent box annealing.It was shown that application of short time heat treatment conditions could lead to complete abnormal grain growth in the investigated GO steel.The texture and mic... 
2011-04-28 134 5.8

采用Nb对Fe-6.5%Si(质量分数)高硅钢进行微合金化处理,结果表明:Nb在高硅钢薄板制备过程中细晶效果明显.铸态、锻态和热轧态组织的晶粒分别细化了17.50%,24.51%和30.13%.铸态样品压缩强度由1365 MPa提高至1520 MPa,延伸率提高77.78%;温轧板试样室温拉伸强度由573 MPa提高至621 MPa,延伸率提高44.44%.利用XRD对厚度为0.30—1.68 mm的温轧板的板面织构演变过程进行跟踪测量,结果发现:初始织构以(011)〈100〉Goss织构为主,单道次变形量为26.2%的情况下,Goss织构完全转化为(100)〈011〉旋转立方织构,随后,在单道次变形为22.6%的情况下,旋转立方织构完全转化为{111}面织构,即纤维织构,并稳定保持至0.30 mm. Fe-6.5%Si(mass fraction) alloy possess perfect magnetic properties,though intermetallics of Fe14Si2 phase brought 6.5%Si leads to room temperature brittleness and hinder this significant materials industrialization.Nb was adopted into micro-alloying of Fe-6.5%Si high silicon steel. OM,thermal simulated test machine and XRD were employed to study the influence of Nb on high silicon steel in processing stages.Textures of warm-rolled high silicon steel strips were determined b... 
2013-11-28 142 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... 
2013-03-28 141 5.8

借助电子背散射(EBSD)技术对AlN为主抑制剂的Hi-B取向硅钢常化工艺的中间冷却制度进行了研究。结果表明:常化后试样均发生了完全再结晶,在60℃/s冷速下组织最均匀;在合适的冷却制度下常化板表层保留了强的Goss织构,它深入到1/4厚度处,并且形成对Goss织构有利的强{554}<225>织构。 The intermediate cooling system of Hi-B oriented silicon steel with AlN main inhibitor in normalizing process was studied by means of electron back diffraction(EBSD) technique. The results show that:the specimens after normalizing are fully recrystallization, and the microstructure is most uniform under the intermediate cooling rate of 60℃/s; under suitable cooling system, normalized plate surface retains strong Goss texture, it penetrates into the 1/4 thickness of the plate and forming strong {... 
2014-11-28 133 5.8

此无取向性电磁钢板具有预定的化学组成,所述化学组成满足(2×[Mn]+2.5×[Ni]+[Cu])-([Si]+2×[sol.Al]+4×[P])≧1.50%,以SEM-EBSD测定距表面1/2板厚深度的与轧制面平行的面时,将{hkl}<uvw>取向的晶粒相对于全部视野的面积率记为Ahkl-uvw时,A411-011在15.0%以上,且平均晶体粒径为50μm~150μm。
2021-03-24 132 6.8

一种甩带法制备高磁性能含磷硅钢薄带的方法,属于合金材料领域。本发明以硅钢(Fe‑(3‑6.5)wt.%Si)块体为母合金,并添加一定量的硅铁合金及磷铁合金,放置于中频感应炉中,熔融后经快速凝固‑甩带、冷轧、热处理工艺,得到具有优异性能的含磷硅钢薄带。对于硅钢而言,P元素的少量加入能够有效的提升电阻率从而显著降低铁损,且具备优化软磁性能的作用。而采用甩带法能够充分利用其快速凝固的特征,从根本上避免了P元素在传统熔炼冷却过程中严重偏析的缺陷,极佳地保证了产品的组织优势与软磁性能。本发明具有操作简单、生产效率高、产品精度高、工艺流程短、无污染与夹杂、性能优异等优点。
2021-01-05 145 6.8

利用OM、EBSD等手段研究了热轧板两段式正火时在700℃保温不同时间(0、10、30、60 min)对含Sb冷轧无取向电工钢磁性能的影响。结果表明,700℃保温10 min处理的样品铁损最小,磁感最高。对成品板的组织分析结果表明,试样的晶粒尺寸随700℃保温时间的延长先增大后减小,保温10 min时晶粒尺寸达到最大;分析成品试样织构发现,有利织构组分随700℃保温时间的延长先增加后减少,保温10 min时有利织构组分所占百分比最高。因此,含Sb冷轧无取向电工钢两段式正火时在700℃保温10 min时磁性能最好。 Effect of two-stage normalization on magnetic property of non-oriented electrical steel containing antimony was investigated by using optical microscope(OM) and electron back-scattered diffraction technology(EBSD).The experimental results show that the iron loss and magnetic permeability of the specimen insulated at 700 ℃ for 10 min are lowest and highest respectively.The grain size of the finish specimens increases first and then decreases with the increase of holding time.Similarly,the advanta... 
2013-11-28 156 5.8

以能量平衡和辐射换热理论为基础,通过合理假定,建立了硅钢无氧化加热炉数学模型。采用数值计算的方法,通过自编程序,完成对带钢加热过程温度场的仿真。结果显示:数学模型能够反映带钢在无氧化炉内的加热过程,其升温曲线能够与工艺曲线相吻合;现行炉温分布并非最优,数学模型能够为炉温分布的优化、炉段的设计提供理论依据。 Mathematical model of NOF Section of Continuous Annealing Furnace is established based on energy balance and radiation heat exchange. The temperature field of steel is simulated by mathematical computation. The simulating results show that the mathematical model can reflect the heating process of silicon steel in NOF section, and the heat-up curve is coincide with the processing curve. From the results,it is known that the current furnace temperature gradient is not the best, and the mathematica... 
2013-06-28 152 5.8

【作者】 常波; ...
2022-03-28 158 5.8

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