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冷轧无取向硅钢(/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N)经890℃或940℃3 min常化的2.3 mm热轧板冷轧成0.35 mm薄板。研究了常化温度和800920℃3 min退火对该钢高频(400Hz)磁性能和抗拉强度的影响。结果表明,830920℃退火时高频铁损P10/400值最低,随退火温度增加,晶粒尺寸增大,钢的抗拉强度降低;该钢的最佳热处理工艺为常化温度940℃,退火温度830℃,其抗拉强度Rm、高频铁损P10/400和磁感应强度J50分别为565 MPa,21.5 W/kg和1.69 T。 The cold-rolled non-oriented silicon steel(/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N) is cold-rolled to 0.35 mm sheet from 2.3 mm hot-rolled plate normalized at 890 ℃ or 940℃ for 3 min.The effect of normalizing temperature and annealing process at 800 920 °C for 3 min on high frequency(400 Hz) magnetic properties and tensile strength of the steel has been tested and studied.Results show that with annealing at 830 920 ℃the high frequency iron loss value P10... 
2014-03-28 61 5.8

一种硅钢生产线上的牵引装置,包含有底座(1)、支架(2)、平移机构(3)、上压板(4)、下托板(5)、气缸(6)、转向辊(7)和对中摄像头(8);所述的平移机构(3)包含有长条齿轮(14)、齿轮(15)、电机(16)和滚轮轴承(17);其特征在于:所述的齿轮(15)固定在电机(16)的输出轴上,并且与长条齿轮(14)啮合;使得平移机构(3)可以由电机(16)驱动在导轨(10)上左右滑动。本实用新型通过气缸(6)驱动上压板(4)和下托板(5)夹紧钢带(9),由平移机构(3)带动钢带(9)进行左右平移,避免了原先夹送辊刮伤钢带(9)表面涂层,减少了带头的浪费。
2021-12-01 61 6.8

双辊连铸技术是冶金及材料领域内的一项前沿技术,对于生产高品质硅钢具有独特优势.本实验研究了一种双辊铸轧w[Si]=4.5%的无取向硅钢,考察其铸态和常化处理后样品的组织、织构及析出相尺寸特征.结果表明:铸带组织以与铸带法向成5~20(°)倾角的柱状晶为主,晶内存在少量0.3~0.4μm的AlN析出相,铸带织构以λ(<001>//ND)织构为主,表层织构漫散.950℃/10 min常化处理后,析出相尺寸增大,表层λ织构增强. As an advanced technique of metallurgy and material science,twin- roll strip casting has unique advantages for producing high quality silicon steel. The present study was aimed at a 4. 5% Si non- oriented electrical steel for analyzing the structure,texture and the size of precipitates at the initial and normalized state. The results revealed that the initial structure mainly consisted of columnar grains with 5 ~ 20( °) angle to the normal of cast strip,and some AlN precipitates of 0. 3 ~ 0. 4 μ... 
2014-03-28 61 5.8

两炉次无取向硅钢XG800WR(/%:0.003~0.004C、0.71~0.75Si、0.32~0.33Mn、0.004~0.007S、0.016P)的炼钢流程为铁水预处理(KR)-210 t顶底复吹转炉-钢包吹氩-RH脱碳精炼-230mm×1220 mm板坯连铸。53 t中间包钢水过热度为25~30℃,钢包到中间包采用长水口全程吹氩保护浇铸,中间包至结晶器采用浸入式水口浇铸。结果表明,在RH、中间包、结晶器过程中钢中总氧以及夹杂物数量和尺寸均明显降低;但在钢包到中间包过程T[O]、[N]和钢中夹杂物数量增加,说明长水口浇铸过程存在二次氧化。连铸坯中T[O]、[N]平均他分别为11×10-6和30×10-6,显微夹杂物数量平均为4个/mm2。铸坯中的显微夹杂物主要为3~5μm的AlN,同时存在少量的MnS、Al2O3·AlN和Al2O3·MgO·MnS。 The steelmaking flow sheet for two heats non-oriented silicon steel XG800WR(/%:0.003~0.004C. 0.71~0.75Si,0.32~0.33Mn,0.004~0.007S,0.016P) is hot metal pretreatment(KR)-210 t top and bottom combined blown converter-ladle argon blowing-RH decarburization refining-230 mm×1 220 mm slab casting.The superheating extent of liquid in 53 t tundish is 25~30℃,whole casting is shielded by blowing argon with long nozzle from ladle to tundish and the submerged nozzle is adopted in casting from tundish to mold... 
2011-05-28 61 5.8

本发明涉及无取向硅钢生产技术领域,公开了一种改善含Cu高强度无取向硅钢冷轧质量的方法,包括如下步骤:A)含Cu高强度无取向硅钢热轧卷化学成分(wt,%):Si:2.0~3.5%,Als≤1.5%,Cu:1~3%,其他为Fe,Als,Mn以及不可避免的杂质元素,对热轧卷进行常化酸洗处理,常化温度T常满足:T常≤1620‑(0.5Als+1.5Si+Cu)%×104,单位℃;B)将常化后的热轧卷在电磁感应加热炉内进行加热;C)在冷轧机组开卷机进行开卷,冷轧第一道次开卷温度T冷轧满足:1.5×(Si+Cu)%×103‑T室温≤T冷轧≤40+2×(Si+Cu)%×103,单位℃,式中,T室温为室温;D)按照4‑6道次冷轧到目标厚度。本发明改善含Cu高强度无取向硅钢冷轧质量的方法,在采用传统常化工艺路线,保证较高的强度和磁性水平前提下,改善冷轧质量,提高成品成材率。
2021-03-31 61 6.8

本实用新型公开了一种取向硅钢加工用的酸洗除杂装置,包括装置主体,所述装置主体一侧固定安装有进气机构,所述装置主体内部活动安装有硅钢片,所述装置主体上方活动安装有一号转杆,所述一号转杆一侧活动安装有二号转杆,所述一号转杆和所述二号转杆外侧表面均安装有柔性吸附套筒,所述一号转杆和所述二号转杆一侧均活动安装有刮杆,所述装置主体前表面固定嵌入安装有一号进气管。本实用新型所述的一种取向硅钢加工用的酸洗除杂装置,能够在取向硅钢酸洗时,加快取向硅钢上方和下方的溶液流通,使酸洗装置内部的溶液浓度保持均匀,且使取向硅钢在酸洗后表面的溶液能快速风干,避免酸溶液过度与取向硅钢发生反应,以免对取向硅钢造成损伤。
2021-11-22 61 6.8

为进行磷酸盐系无铬无取向硅钢涂层烧结固化工艺研究,首先对磷酸盐系无铬无取向硅钢涂层进行热重-差示扫描量热(TG-DSC)分析;然后在不同烧结固化温度条件下,测定涂层板温随时间变化曲线;最终获得涂层烧结固化温度与时间(T-t)工艺曲线。通过中性盐雾试验、动电位极化、交流阻抗、涂层附着力以及扫描电子显微镜(SEM)和能谱(EDS)分析验证。结果表明,根据涂层烧结固化温度与时间(T-t)工艺曲线制备的涂层结构致密、性能优异,证明该工艺曲线具有合理性与正确性。 In order to study the curing process of chromium-free non-oriented silicon steel coatings,phosphatic chromium-free non-oriented silicon steel insulating coating was prepared and TG-DSC analysis of the coating was conducted,then the change of the actual temperature of the coated non-oriented silicon steel sheet with time at different curing temperatures was studied. Based on the experiments,the processing curves of curing temperature vs. curing time( T-t) for the chromium-free non-oriented silico... 
2013-12-28 61 5.8

电动汽车电机在高速旋转时承受离心力和电磁力的作用,在进行电机转子设计时,既要考虑电磁性能,还要考虑机械性能。对电机转子受力情况进行了综述,分析了转子用电工钢疲劳性能参数的重要性,详细阐述了试样抛光、表面处理、试样的对中和安装对测试结果的影响。 The motor of electric vehicle bears big force for high speed rotors,mainly including centrifugal and electromagnetic forces.The magnetic and mechanical aspects of the electrical steel are crucial to machine design.In this paper,the forces applied on the motor were summarized and importance of fatigue properties was analyzed.The influence of specimen polish,surface treatment,alignment and installation on fatigue testing result were represented in detail. 
2014-10-28 61 5.8

采用硅钢自动测量装置及X射线衍射仪检测出样品在实验前后的磁性能参数和织构强度.结果表明:较低的电压、9 Hz、较长的处理时间以及退火温度为650℃有利于增高铁损降低比例;较低的电压、较高的频率以及退火温度为650℃有利于增加磁感应强度增高比例.最佳的提高磁性能的实验参数是:频率为9 Hz,电压为500 V,处理时间为6 min,退火温度为650℃.通过织构分析可以验证:取向硅钢磁感应强度的变化取决于{110}<001>晶粒取向度值,而{110}<001>取向度值可看成是一个反映总体平均偏离角大小情况的综合值. An automatic measurement system for silicon steel and an X-ray diffraction meter were used for measuring the magnetic property parameters and texture of ex-processed samples and processed samples.It is shown that under the condition of a lower voltage,9Hz,a longer processed time and an annealing temperature of 650℃,the decrease rate of iron loss can be increased;a lower voltage,a higher frequency and an annealing temperature of 650℃ are in favor of improving the increase rate of magnetic inducti... 
2011-08-28 61 5.8

综述了退火温度、时间对无取向电工钢磁性的影响。退火温度主要影响无取向电工钢不同织构的占有率,退火时间主要影响晶粒尺寸的大小,晶粒尺寸的变化对织构的形成也有一定的影响。磁感最高点出现在纤维组织完全消失,(111)面织构组分较弱的组织状态。铁损的降低主要依赖于磁滞损耗的降低,织构的影响不大。 The effects of annealing temperature and time on the non-oriented electrical steel magnetic properties were reviewed.Annealing temperature and time mainly affects the different textures share and the grain sizes of non-oriented electrical steel respectively.Changes of the grain sizes also have a certain effect on textures formation.The highest point of the magnetic induction value in the fibrous tissue completely disappears and{111} plane texture has a lower state of the component content.Iron l... 
2013-10-28 61 5.8

本实用新型涉及一种摩托车点火器线圈用硅钢片,包括E型件和I型件,所述E型件和I型件可组合成日字形;所述E型件包括竖边和设置在竖边三个横边,所述竖边与三个横边接触的位置设置孔眼;所述孔眼内径从为变径结构;位于E型件正面设置散热线槽,所述散热线槽一端与孔眼贯通,另一端指向凸部;位于E型件背面在散热线槽正对位置设置外凸线,所述I型件一侧设置与凸部匹配的凹部,在所述凹部之间凸台;所述凸台与凹台重叠;在凸台与凹部之间设置凸棱,所述凸棱位于I型件外侧。本实用新型设计新颖,改进巧妙,由于E型件具有弧形边可以有利于拾取,方便工作操作,同时采用采用接触的方式接触,增加了组合体的稳定性。
2021-08-20 61 6.8

本实用新型公开了一种变压器硅钢片整平工装,涉及变压器装配技术领域,包括底板,所述底板顶部一角处安装有第一气缸,所述第一气缸的输出端固定有支撑块,所述支撑块一端设置有第一L型垫块,所述第一L型垫块两端皆开设有配合槽。本实用新型通过设置有第一L型垫块、第二L型垫块、传动带、第一气缸和第二气缸之间的配合,通过第二L型垫块内侧对运动中的变压器硅钢片进行拦截,第一气缸的输出端伸出带动第一L型垫块进行移动,使第一L型垫块将变压器硅钢片推至第二L型垫块拐角处,工作人员通过控制第一气缸输出端来回伸缩对硅钢片进行反复挤压整平,有效提高了变压器硅钢片整平机的工作效率,节约成本。
2021-04-27 61 6.8

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