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本发明公开了一种硅钢与碳钢混合生产条件下提高钢带表面清洁度的方法,硅钢与碳钢混合冷轧轧制条件下,通过控制冷轧乳化液指标,轧机工作辊表面粗糙度,退火工序氢气吹扫流量,平整及重分卷工序钢带涂油量等措施,能够提高钢带表面清洁度。
2021-11-18 167 6.8

一种电工钢切片用辅助定位装置,涉及电工钢加工技术领域,包括加工台、支撑腿、定位块、侧板、滑杆、移动板、顶板、滑动架、伸缩杆、切片装置、定位杆和挡板;支撑腿设置在加工台底部;定位块设置有两组,两组定位块均设置在加工台上,两组定位块沿横向分布,每组定位块设置有两个,每组的两个定位块沿纵向分布;侧板设置有两个,两个侧板均设置在加工台纵向一侧,两个侧板沿横向分布;滑杆设置在两个侧板之间;移动板沿横向滑动设置在滑杆上;顶板设置在移动板靠近加工台的纵向一侧,顶板位于移动板上端。本实用新型能够方便工作人员切割出一定尺寸的电工钢切片,且切割精度很高。
2021-10-23 166 6.8

选用国内外无取向硅钢标杆企业A、B、C的产品,采用非水溶液电解提取+SEM(EDS)方法,分析了其典型牌号对应成品试样中的夹杂物。结果表明,从磁性能控制角度而言,受钢的化学成分及生产工艺影响,A、B、C企业成品试样的夹杂物尺寸、种类、数量存在差异,这些差异对其磁性能产生显著影响;从夹杂物控制角度而言,A、B、C企业对应成品试样的夹杂物,以MnS、CuxS复合或者AlN、MnS、CuxS复合为主,其中1.0μm以下的夹杂物数量分别为2.34×107个/mm3、2.98×107个/mm3和11.98×107个/mm3,1.0μm以上夹杂物数量均很少,夹杂物的平均尺寸从大到小依次为A企业、B企业、C企业。 According to the production of three benchmarking manufacture enterprises A,B and C of non-oriented silicon steel at home and abroad,the inclusions in finished steel samples with typical grades were investigated by electrolytic extraction from non-aqueous solution and SEM(EDS).Results show that,from the viewpoint of improving the magnetic properties,affected by chemical composition and production technique,the size,type and amount of inclusions in finished steel samples are various,which will af... 
2013-01-28 172 5.8

本发明公开了一种高强度碳化硅钢球,所述高强度碳化硅钢球包括以下重量份的原料:碳化硅20‑30份、铬1‑2份、氮化硼3‑5份、铁10‑20份、钼2‑3份、锰钢30‑40份、镍5‑8份、钛6‑8份、磷2‑3份、硫2‑3份;一种高强度碳化硅钢球制备方法,包括如下步骤S1、熔融;S2、模锻成球;S3、打磨;S4、二次加热;S5、高温淬火;S6、机油回火;S7、检测成品。本发明制备的高强度碳化硅钢球具有抗折强度高、洛氏硬度高及抗压强度高等优异的机械性能,并且使用寿命长,运转精确度高,并且其工艺简单,生产耗能低,无“三废”产生,环保性高。
2021-08-02 170 6.8

【机构】 宝山钢铁股份有限公司规划与科技部; ...
2022-06-28 183 5.8

分析了太原钢铁(集团)有限公司第二炼钢厂80 t RH生产冷轧硅钢脱碳、脱硫原理及影响因素,认为通过合理控制RH到站钢水碳和氧含量、加大插入管内径、采用快速抽真空度等可提高脱碳效果。降低顶渣中FeO和MnO含量,保证脱硫剂加入后的循环时间可以提高RH脱硫率。 The present article analyzes the principle of decarburization and desulfurization in refining the cold rolled silicon steel in the 80 t RH in No.2 Steelmaking Plant of Taiyuan Iron & Steel(Group) Corp.,and its influencing factors.It’s determined that the decarburization effect can be achieved by properly controlling the cabon and oxygen contents in the hot metal coming into the RH station,enlarging the inner diameter of snorkel and adopting the fast evacuation method.In the meanwhile the des... 
2013-04-28 140 5.8

本发明公开了硅钢片铁芯生产线,包括放卷机构、剪切机构、送料机构、叠片机构和下料机构,送料机构包括磁性传送带、送料件和第一定位杆,磁性传送带包括上传送带和下传送带,送料件可沿磁性传送带的正交方向平行伸出,其中,第一送料分台和第二送料分台安装于上传送带的下方并且相背运动,第三送料分台和第四送料分台安装于下传送带的下方并且相背运动,第一定位杆用于定位硅钢片,叠片机构包括叠放台、悬梁和两个六自由度机械手,六自由度机械手吊装于悬梁上,包括有电永磁铁,用于吸取硅钢片,下料机构包括滑板,叠放台放置于滑板上。根据本发明的硅钢片铁芯生产线,可提高设备自动化程度,提高叠片速度,从而提高生产线的生产效率。
2020-12-30 175 6.8

主要研究了0.7%Si无取向电工钢退火试样的组织、晶粒尺寸和织构对其磁性能的影响。结果表明,随着退火温度的升高,晶粒尺寸逐渐增大,组织的均匀性得到改善;ɑ取向线上的纤维织构多集中于{114}<110>和{223}<110>附近,再结晶结束后,织构含量变化不大。{111}<110>织构取向密度值随温度升高而下降,{112}<111>织构与{111}<110>织构变化相反。晶粒尺寸增大对磁感强度的影响较小,而对铁损的影响较大。 Influences of microstructure,grain size and texture on the magnetic properties of 0.7% Si non-oriented electrical steels annealed samples were studied.The results show that with annealing temperature increasing the average grain size is increased gradually.Uniformity of the microstructure is improved;the textures of ɑ-fiber gathered in the vicinity of the { 114} < 110 > and { 223 } < 110 > texture.After recrystallization,the volume fraction of texture changes small.{ 111} < 110 &g... 
2013-07-28 164 5.8

绝缘涂层可以有效提高硅钢片的耐蚀、耐腐、磁、绝缘等性能,因此取向硅钢涂装绝缘涂层是取向硅钢生产过程中重要的一环。本文对取向硅钢含铬无机绝缘涂层以及氮化铬涂层的性能优缺点进行了介绍,并对国内无机含铬取向硅钢绝缘涂层及氮化铬涂层的研究现状进行了综述。最后对未来含铬无机绝缘涂层的研发方向进行了展望。 Insulation coating can effectively improve the corrosion resistance of silicon steel sheet, such as corrosion, magnetic, insulation performance, thus oriented silicon steel insulation coating is the important part of oriented silicon steel production process. In this paper, the inorganic insulation coating oriented silicon steel containing chromium and chromium nitride coating performance advantages and disadvantages are introduced.In addition, the research status of insulation coating and chrom... 
2022-02-28 188 5.8

本实用新型提供了一种轴向磁通电机转子的硅钢盘,所述硅钢盘具有沿周向间隔排列的多组转子槽,相邻的两组转子槽之间界定了一硅钢块,每组转子槽的数量为两个,且相对设置于所述硅钢盘轴向的两侧,每组的两所述转子槽之间界定了一连接相邻两所述硅钢块的连接筋,多个所述硅钢块通过连接筋连接,并形成一整体的硅钢盘,相对现有技术独立成型多个硅钢块来说,不仅避免硅钢块丢失,还有效提升硅钢盘装配为转子盘的成型效率,以及保证各硅钢块在转子盘上的位置一致性,从而大幅增强转子盘的机械可靠性。
2021-12-27 204 6.8

试验研究了退火温度(850~950℃)和时间(5~18 min)对2.3 mm热轧硅钢板(/%:0.036C,3.15Si,0.21Mn,0.005P,0.007S,0.032A1)6道次轧制的0.35 mm冷轧板组织和织构的影响。结果表明,退火温度越高,晶粒平均尺寸越大,900℃5 min退火时平均晶粒尺寸41.39μm,试样织构主要集中在γ取向线上的{111}<112>织构组分和{111}<110>织构组分;900℃18 min退火时平均晶粒尺寸为48.08μm,试样的{111}面织构和{112}面织构密度都明显减弱,{001}面织构增强,磁性能较优。 The effect of annealing temperature(850 ~950 ℃) and holding time(5 ~ 18 min) on structure and texture of 0.35 mm sheet by 6 passes cold-rolling from 2.3 mm hot-rolled plate of silicon steel(/%:0.036 C,3.15 Si,0.21 Mn,0.005 P,0.007 S,0.032A1) has been tested and studied.Results show that the higher the annealing temperature the coarser the average grain size;As annealing at 900 ℃ for 5 min the average grain size of steel sheet is 41.39 μm,and the texture in sample is mainly concentrated in y orie... 
2014-06-28 166 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... 
2011-08-28 154 5.8

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