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本申请涉及激光焊接技术领域,特别涉及一种电机定子硅钢片自动焊接工装。该工装包括定位组件,压板组件和旋转组件。其中,定位组件用于承载定子硅钢片,所述定位组件具有用于在径向上对定子硅钢片进行限位的限位结构;所述压板组件位于定位组件的顶端,用于压住定子硅钢片;旋转组件承托于定位组件的底端,并带动定位组件转动。本申请实施例提供的一种电机定子硅钢片自动焊接工装,能够解决在旋转焊接时,无法保证定子硅钢片与工装夹具的同心度相同,致使焊缝质量不过关的问题,以及激光焊接中,硅钢片与工装夹具易粘连的问题。
2021-12-21 116 6.8

研究了取向硅钢制备过程中常见的两种冷轧工艺,主要研究了一阶段冷轧与两阶段冷轧+中间退火工艺对初次再结晶组织及织构的影响.结果表明:采用两阶段冷轧+中间退火工艺制备以Cu2S为主抑制剂的取向硅钢,其初次再结晶平均晶粒尺寸为18.1μm,高斯晶粒的体积分数为0.6%,迁移性强的重位点阵晶界(Σ5+Σ9)和高能晶界(20°~45°取向偏差角)所占比例分别为1.8%和50.4%.与一阶段冷轧工艺相比,其初次再结晶晶粒较细,且高斯晶核与特征晶界所占的比例较高,有利于高斯晶粒发生二次再结晶. Two common cold-rolling processes of grain oriented silicon steel and the effects of the single stage cold rolling and tw o-stage cold rolling w ith intermediate annealing processes on the primary recrystallization microstructure and texture w ere investigated. The results revealed that for the grain oriented silicon steel prepared under the tw o-stage cold rolling process w ith intermediate annealing w ith Cu 2 S as the main inhibitor,the average grain size of the primary recrystallization micr... 
2014-02-28 93 5.8

采用双辊连铸工艺制备了硅的质量分数分别为0.5%,1.0%,3.0%,4.5%的硅钢薄带,用光学显微镜观察其组织,并研究了后处理工艺对薄带组织和性能的影响。结果表明:硅含量为0.5%和1.0%的薄带适合采用一次冷轧+850~950℃退火的后处理工艺,而硅含量在3.0%以上的薄带适合采用二次冷轧+950℃退火的后处理工艺;硅含量为3.0%和4.5%的薄带在冷轧并950℃退火后,其磁性能最佳,铁芯损耗约为4.30 W·kg-1,磁感应强度约为1.68T。 Silicon steel thin strips with silicon content of 0.5wt%,1.0wt%,3.0wt%and 4.5wt%were prepared by twin-roll continuous casting process,and the microstructure of the strips were observed by means of optical microscopy,and on the basis,the effect of post-treatment process on microstructure and properties of the strips was studied.The results show that the post-treatment process of one-time cold rolling and annealing between 850—950℃was suitable for the strips with silicon content of 0.5wt%and 1.0wt... 
2011-08-28 72 5.8

本发明公开了一种取向硅钢电磁性质各向异性的多频电磁无损表征方法。改方法基于多频电磁传感器技术,建立取向硅钢晶粒各向异性有限元模型,通过本发明专利公开的方法,表征取向硅钢晶粒取向‑测量方向‑电磁信号对应关系,通过信号比对,检测取向硅钢与理想硅钢晶粒取向偏差值,判断取向硅钢的电磁性质的优劣。该发明解决取向硅钢生产过程中无法高效判断产品质量以及电磁性质优劣问题,为构建准确的取向硅钢晶粒取向各向异性的电磁无损表征系统,为深化高附加值钢种显微组织预测方法研究与产品在线性能调技术控奠定基础。
2021-11-15 81 6.8

本实用新型公开了一种硅钢片分流导料机构,属于硅钢片导料领域,包括传送带,所述传送带包括主带和副带,所述副带设置在主带的前面,所述主带横向设置,所述主带的后面设置有导流机构,所述导流机构包括电机、导流板和助力组件,所述主带的后面设置有安装架,所述安装架的顶部竖向固定连接有连接板,所述电机安装在连接板上,所述电机的输出轴与导流板的顶部固定套接,通过启动电机,电机带动导流板旋转,导流板在连接组件下带动助力组件旋转,使得主带上的物品被导流板进行阻挡,通过助力组件传送到副带上,避免了传送带方向单一,容易导致硅钢片对堆积的问题,从而减少硅钢片的损坏量,进而节约成本。
2021-12-15 98 6.8

稀土元素在许多钢中发挥着独特而且不可替代的重要作用。半个世纪以来,它的作用已经在各种低合金和特殊合金钢中的研究及应用中得到充分的证明;然而,作为具有稀土资源优势的中国,在属于重要功能材料的无取向电工钢中稀土的应用却落后于国外,本文就中国稀土在无取向电工钢中的应用研究作简要的评述,希望能够进一步推进此领域的研究,并且促进中国稀土在无取向电工钢中应用技术的发展,缩短与国外差距,并提出了在此应用领域今后需深入开展的研究方向。 Rare earth elements play a unique and irreplaceable role in a lot of steels,it has given the full proof by the practice of various low alloy steels and special alloy steels since half century.However,as our country has the advantage of rare earth resources,RE application technology in non-oriented electrical steels has lagged behind abroad.The application researches of rare earth in non-oriented electrical steel in our country are briefly reviewed in this paper,which hope to promote the research... 
2014-05-28 83 5.8

利用EBSD技术研究了电工钢中不同的柱状晶尺寸及退火工艺下{100}织构的演变规律。结果表明,初始晶粒尺寸的影响最显著。细小柱状晶热轧后经过常化处理,组织已均匀,但中心层有强{100}织构。粗大柱状晶中{100}织构的遗传性强,常化及中间退火后,中心层仍有粗大的以{100}取向为主的晶粒;脱碳退火后才能完成组织均匀化和织构梯度的弱化。常化时的升温速度也对织构演变存在影响,低的升温速度有利于{100}织构的保留,但升温速度的影响没有初始晶粒尺寸及退火次数的影响显著。细小柱状晶样品经过热轧及三次退火工艺适合制备取向电工钢。 Evolution of {100} texture of different columnar grains and annealing process was investigated in electrical steels with the help of EBSD technique.The results show that the effect of initial grain size is the strongest.The initial fine-grained specimen shows uniform microstructure after the normalizing process,while {100} grains appear preferentially in the central layer of sheets.The heredity of {100} texture in the initial coarse-grained specimen is more significant.{100} mainly-oriented coar... 
2013-08-28 84 5.8

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 67 5.8

【作者】 朱凤泉; 黄生银; ...
2013-01-28 84 5.8

结合工业化生产的50A1300牌号无取向硅钢,分析了化学成分、RH精炼脱氧方式、板坯装炉温度以及热轧平整工艺等对磁性能的影响,探讨成品钢磁性能的改善。结果表明,采取改善后,50A1300牌号无取向硅钢的磁性能得到明显改善。2012年,该钢种平均铁损、磁感应强度分别达到5.26 W/kg、1.762 T,能够较好地满足用户市场需求及同行对标需要。 Based on the industrial manufacture of 50A1300 grade non-oriented silicon steel sheets,effects of chemical composition,deoxidization method in RH vacuum refining,charging temperature of steel slabs,hot rolling and flattening progress on magnetic properties are analyzed.The optimization methods of magnetic properties of steels are discussed. Results show that the magnetic properties are obviously improved by the adopted measures above. In 2012,the average core loss and the magnetic induction of 5... 
2014-02-28 110 5.8

本发明属于金属材料加工技术领域,具体涉及取向硅钢罩式炉高温退火低保温阶段二段式退火工艺,包括:将涂镁取向硅钢卷装入密闭的罩式炉中,并向罩式炉内通入氮气将炉内氧气充分排出;通电升温并将氮气转换为10m3/h氨分解气,接着点燃放散阀,将温度升至500‑600℃,恒温13h;500‑600℃低保温结束后检测内部气体露点是否小于0℃;本发明提供的取向硅钢罩式炉高温退火低保温阶段二段式退火工艺能够解决普通冷轧取向硅钢罩式炉高温退火热处理低保温阶段,钢卷在高温下不被水蒸汽氧化,消除钢带表面露金、发红、发黑、水印、色泽不均、导通缺陷,降低钢带铁损、提高磁感、降低生产成本。
2021-04-30 69 6.8

采用CVD法制备6.5%Si高硅钢,介绍了具体的制备工艺过程,研究了温度对渗硅速率和试样质量减轻的影响,同时分析了扩散时间对高硅钢中硅分布的影响。结果表明:在CVD反应过程中,反应温度高于1050℃将大大提高渗硅速率,但当温度大于1200℃后,渗硅速率趋于稳定;渗硅后,试样会减轻、减薄,随着温度升高,试样质量减轻的速率逐渐增大,在1200℃左右趋于稳定;扩散时间越长,硅分布越均匀,结合制备效率进行考虑,满足Δw表-中/b≤5的时间为适宜的扩散时间。 6.5%Si high silicon steel was manufactured by using CVD method and the process was introduced,the influence of temperature on the siliconizing rate and quality reducing rate,diffusion time on silicon distribution were investigated.Results as follows: the siliconizing rate will increase quickly when the temperature is higher than 1050 ℃,but the siliconizing rate will become steadily as the temperature up to 1200 ℃;The quality reducing rate will increase with the elevating of temperature and the r... 
2013-01-28 78 5.8

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