钢厂
CN202122192936.7一种硅钢片铁芯的装配工装
本实用新型涉及硅钢片铁芯装配组件技术领域,公开了一种硅钢片铁芯的装配工装,包括装配组件,所述装配组件的内部上方安装有液压伸缩杆,所述液压伸缩杆的底端固定连接有压板,所述压板的表面开设有孔槽,所述装配组件的底端安装有铁芯,且铁芯的顶端贯穿孔槽的内部,所述铁芯的外部套设有硅钢片,所述硅钢片的外壁对称设有限位辊,所述装配组件的内壁对称安装有电动滑台,且电动滑台的内部设有滑块,本实用新型通过在液压伸缩杆的顶端安装有压板,并且压板的表面开设有与铁芯相匹配的孔槽,液压伸缩杆带动压板升降,对硅钢片进行压实,减少硅钢片之间的缝隙,使得硅钢片之间连接的更加紧凑,减少了工作人员的劳动量。
CN202110667000.7一种用于风力发电机定子铁芯扇形硅钢片的保护工装
本发明公开了一种用于风力发电机定子铁芯扇形硅钢片的保护工装,包括第一防护罩和第二防护罩,第一防护罩、第二防护罩均为扇形罩体,其由弧形底板和两个扇形侧板构成,第一防护罩的两端连接有能够折叠收纳的柔性罩;第一防护罩滑动套设在扇形硅钢的外侧,第二防护罩滑动套设在第一防护罩的外侧。本发明提供的保护工装主要有两个功能,当扇形硅钢片处于运输过程中时,利用第一防护罩、第二防护罩、柔性罩协同配合为其防刮伤防护;当扇形硅钢片装配后,利用第一防护罩内部的冷却散热系统提供散热防护,防止出现高温过热现象;通过这种方式,本发明保护工装满足大规格定子铁芯扇形硅钢片的防护需求。
二次冷轧中间退火对基于CSP工艺的取向硅钢组织及织构的影响
在实验室模拟CSP工艺条件下制备了取向硅钢,研究了二次冷轧中间退火工艺对组织和织构的影响。结果表明,中间退火温度对取向硅钢脱碳,高温退火组织及织构均产生明显影响。经940℃中间退火后,取向硅钢脱碳再结晶晶粒较850℃中间退火的多,且再经高温退火处理后,晶粒粗化,最大晶粒尺寸达4.8 mm;高斯织构组分密度达27.00,较850℃中间退火试样高。 Grain-oriented silicon steel was prepared by simulated CSP technology in laboratory. Effects of secondary cold-rolled intermediate annealing on microstructure and texture were studied. The results show that intermediate annealing has obvious effects on the microstructure and texture of the steels after decarburization annealing and high temperature annealing. After intermediate annealing at 940 ℃,recrystallized grain of decarburization annealed steel is more than that of intermediate annealed at...
陶瓷辊除瘤方法在瑞致电工钢的应用
针对陶瓷辊表面结瘤清除时间长、清除效果差等缺陷,研究正反转陶瓷辊除瘤法,以缩短除瘤时间,增强除瘤效果。 The general removal of ceramic roller surface tumor costs a long time and the effect is poor.This paper probed into the ceramic roller tumor removal in order to shorten time and enhance the effect of eliminating.
基于GTN损伤模型对含边部缺陷硅钢薄板冷轧时边裂的预测
采用拉伸试验和显微组织观测的方法确定了GTN损伤模型中的9个损伤参数,运用GTN损伤模型对冷轧硅钢薄板边部缺陷的扩展及边裂的产生进行了有限元模拟,并与预置缺口的钢板轧制试验进行对比。结果表明:轧制过程中边部缺陷是造成钢板边部裂纹萌生和扩展的一个重要原因,GTN损伤模型可用来预测含边部缺陷硅钢薄板在冷轧过程中边裂的产生;预测结果与试验结果基本一致。 The crack initiation and propagation of silicon steel strip with edge defect during cold rolling process was studied by using GTN damage model in this paper.Nine damage parameters in GTN model were identified by tensile testing and microstructure observing,and then the FE simulation of edge defect evolution of silicon steel strip during rolling process was conducted on the base of GTN damage model,and then the results were compared with rolling experimental results.The results show that the edge...
双辊连铸3%Si无取向硅钢铸带特征
针对传统工艺生产硅钢周期长、能耗大等缺点,采用双辊连铸工艺制备3%Si无取向硅钢连铸薄带,利用MEM,SEM和TEM观察了铸带的组织、织构及析出物,同时对比了Al的质量分数为0.6%和0.9%的连铸薄带在组织、织构及析出物特征方面的异同.结果表明:双辊连铸工艺生产的3%Si无取向硅钢铸带的组织为均匀等轴晶粒,平均晶粒尺寸约为300μm;织构组成随Al质量分数的不同具有明显差别,Al质量分数为0.9%的铸带中{100}织构强度是随机织构的7倍;铸带中的析出物为AlN和MnS,最大尺寸分别为500和50 nm左右. Given the lengthy production cycle,high energy consumption,and other shortcomings of the traditional process for producing silicon steel,a twin-roll casting process was used to produce 3%Si non-oriented silicon steel casting strips. MEM,SEM,and TEM were used to compare micro-structure,texture,and precipitate characteristics of a casting strip containing 0.6%Al with another containing 0.9%Al.The structure of 3%Si non-oriented silicon steel produced by the twin-roll casting process was a uniform i...
CN202110217690.6一种焊接压力容器用碳锰硅钢钢板及其生产方法
本发明一种焊接压力容器用碳锰硅钢钢板及其生产方法,钢板化学成分及其重量百分含量为:C:0.18‑0.26%,Si:0.18‑0.65%,Mn:0.92‑1.72%,P≤0.008%,S≤0.002%,Cu:0.30‑0.40%,Ni:0.25‑0.35%,Cr:0.25‑0.35%,Mo≤0.10%,V≤0.10%,B:0.003‑0.005%,余量为Fe及不可避免的杂质元素。本发明钢板中加入的贵合金元素含量相对较少,冶炼成本及后续的生产成本控制较低,市场潜力和竞争力很大。
中低牌号无取向硅钢冷轧工艺优化生产实践
无取向硅钢特别是中牌号以上的无取向硅钢,随着含硅量的提高,常温下塑性较差,冷轧过程中轧制力明显提高,如果存在原料质量问题,极易发生断带事故,影响硅钢冷轧过程的成材率和生产效率。通过优化冷轧工艺参数,可提高冷轧稳定性。生产中通过合理分配冷轧各道次压下量和轧制速度,保证了轧制过程的稳定,很大程度减少了冷轧断带事故的发生。 Non-oriented silicon steel, especially in the low and middle grade, with the increase of silicon content, plasticity is poor at room temperature, rolling force in cold rolling process significantly improved .If there is the quality defect of raw materials , easily sheet is rolling off. Affect finished product rate and production efficiency in process of cold-rolled silicon steel. Through optimization of cold rolled process parameter , improve the stability of cold-rolling process. Through reason...
融入结构张量和活动轮廓的硅钢表面缺陷分割
为了解决在纹理背景下冷轧硅钢表面缺陷的分割问题,提出了基于局部信息结构张量和活动轮廓模型的硅钢表面缺陷分割方法。将图像的局部信息引入到结构张量中;在结构张量提取的特征空间中,以KL距离作为区域的概率密度相似性度量建立分割图像的活动轮廓模型;采用Split-Bregman数值解法对模型进行求解。运用提出的分割方法对硅钢表面的一些常见缺陷如纵向划伤、横向划伤、异物和孔洞等进行分割实验。实验结果表明,该方法可以准确地分割出硅钢表面缺陷区域,验证了该方法的有效性。 In order to address the segmentation problem for cold rolled silicon steel surface defect based on the texture background,a novel method based on structure tensor and active contour model is proposed.Image local information is introduced to the structure tensor.In the extracted feature space of structure tensor,KL distance is treated as a regional similarity measure of the probability density to establish active contour model for image segmentation.The numerical solution of Split-Bregman is used...
基于人工神经网络-遗传算法的取向硅钢刻痕工艺优化
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...
硅钢连续退火机组的节能措施
针对硅钢连续退火机组的主要能源介质消耗现状,对现有生产工艺和设备研究采取机组循环用水、增加清洗段漂洗级数等措施可节约大概27 m3/h的过滤水量,并可减少78%的弱碱处理量;将炉子烟气换热系统增加一级余热回收,每年回收的余热相当于583 t标煤消耗,可节约蒸汽5 368 t。 The present situation of energy consumption for silicon steel annealing line is analyzed in this paper.In existing process and equipment conditions,increasing the number of cleaning series will lead to a saving of about 27 m3/h of filter water and reduce 78 % of weak base processing volume.For the flue gas heat-exchange system,adding a waste heat recovery device will recover waste heat equivalent to 583 tons of standard coal per year,corresponding to a saving of steam 5 368 t per year.
CN202180016772.2将由电工钢带或电工板材制成的板件叠组成板叠的方法
本发明给出了一种用于将由电工钢带(3)或电工板材制成的板件(4)叠组成板叠(2)的方法,板叠分别具有在相对于预定的目标叠组高度(hs)的公差范围(Δh)内的叠组高度(hp)。

