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本发明涉及一种用于控制硅钢毛刺状厚度波动的工艺,包括如下步骤;将连铸坯送入加热炉中进行加热,连铸坯入炉温度为400‑680℃,连铸坯在炉时间为185‑220min;将加热后的连铸坯进行热轧,轧辊偏心量为0‑0.025mm,将热轧后的带钢进行卷取;将卷取后的带钢酸洗后进行冷轧,冷轧操作模式由多次阶段升降速模式调整为一次性升降速模式,且在一次性升降速阶段将MN‑AGC增益系数增大;将冷轧后的带钢进行卷取,退火后得到硅钢片成品。本发明所公开的用于控制硅钢毛刺状厚度波动的工艺,该工艺对加热、热轧、卷取及冷轧各工序进行优化协调,能够有效解决硅钢毛刺状厚度波动的问题,实现无取向硅钢全长厚度控制精度的提升,而且无需进行设备和系统改造,容易实现,易于推广。
2021-02-20 160 6.8

本发明公开了一种超薄取向硅钢用的半有机绝缘涂料。该半有机绝缘涂料,按质量百分比计,包括以下组分:10~25%磷酸盐,1~10%含有环氧基的硅烷耦合剂,0.2~2.0%有机硅烷,1~10%铬酐,1.5~6%二氧化硅粒子,0.3~5%碱,余量为水;其中二氧化硅粒子的粒径为100~300nm。该半有机绝缘涂料应用于超薄取向硅钢表面时,既提高了涂层与基体的附着性,又保证了涂层的绝缘性和耐热性,涂层附着性为A级,叠片系数大于0.96,可耐900℃高温,并且涂层较薄(小于1μm)时,钢板的绝缘电阻大于30Ω·cm2/片,绝缘性能优异,可满足超薄取向硅钢的应用需求。
2021-11-19 160 6.8

本实用新型公开了一种用于硅钢片叠装的工装,包括安装底座,所述安装底座上设置有限位装置,所述限位装置包括多个水平限位柱和多个竖直限位柱;各个水平限位柱之间的缝隙的尺寸等于其对应放置的硅钢片的宽度,各个竖直限位柱与安装底座的底边之间的距离等于其对应放置的硅钢片的总长度;所述各个竖直限位柱设置在各个水平限位柱之间的缝隙所正对的位置;采用多个水平限位柱和多个竖直限位柱进行水平和竖直方向上均对硅钢片进行定位;使用此工装叠装出来的成品,长短一致,侧面相当整齐;本实用新型,结构简单,操作方便。
2021-02-02 160 6.8

为了确定普通冷轧取向硅钢最优的中间完全脱碳退火工艺,在其一次冷轧后进行5种不同工艺的脱碳退火处理,借助扫描电镜及电子背散射衍射技术研究了不同工艺脱碳退火后的组织、织构和脱碳效果。结果表明:经5种工艺脱碳退火处理后,初次再结晶的平均晶粒尺寸均约为19μm,且不随退火温度和时间的变化而变化;经840℃×10min工艺退火后的晶粒最均匀,高斯织构位向更准确,高斯织构面积分数最多,为3.1%,可将碳脱至0.003 5%。 In order to determine the optimal intermediate complete decarburizing annealing processes for common grain-oriented(CGO)silicon steel,five kinds of intermediate decarburizing annealing processes were conducted,the microstructure,texture and decarbonization after different decarburizing annealing processes were studied by scanning electron microscopy and electro back-scattered diffraction(EBSD)technology.The results show that the average grains sizes of primary recrystallization were about 19μm a... 
2013-11-28 160 5.8

1.本外观设计产品的名称:硅钢片。;2.本外观设计产品的用途:多片硅钢片用来共同组成马达的转子的其中一个部件。;3.本外观设计产品的设计要点:在于本外观设计产品的形状。;4.最能表明设计要点的图片或照片:立体图。;
2020-12-16 160 6.8

主要研究了氧化锌对以Al(H2PO4)3为基料的无铬无取向硅钢绝缘涂层各项性能的影响.用盐雾实验和动电位极化研究了不同氧化锌含量对硅钢绝缘涂层的耐蚀性和电化学行为的影响.采用SEM和体视显微镜对涂层的表面形貌和附着性能进行研究.结果表明,氧化锌含量为4.0%时,氧化锌能完全中和涂层表面的游离磷酸,涂层的耐蚀性和附着性最好;氧化锌含量过少或过多时,涂层的耐蚀性和附着性都较差. This paper studies the influence of zinc oxide on the performance of chromium-free non-oriented silicon steel insulating coating which based on aluminum dihydrogen phosphate.Salt spray experiment and potentiodynamic polarization were used to study the influence of zinc oxide content on the corrosion resistance and electrochemical behavior of the insulation coating of silicon steel.The surface morphology and adhesion of coating were tested by SEM and stereo microscope.The results show that when t... 
2013-03-28 160 5.8

本实用新型涉及一种硅钢片抓取平台,其包括抓取框架,包括抓取框架,所述抓取框架上设有多个支架,对应于非切割区域的支架上设有大真空吸盘,对应于切割区域的支架上设有小真空吸盘。本实用新型结构简单,通过多个真空吸盘来进行硅钢片的抓取也不会损坏加工后的硅钢片,还提高了硅钢片的搬运效率。此外,通过气动系统实现对吸盘的自动吸气,提高了对吸盘操作的便利性。
2021-04-01 160 6.8

无取向硅钢中夹杂物的存在会抑止晶粒生长,使基体的均匀连续性中断,其在钢中的形态、含量及分布情况都不同程度影响着硅钢的性能,尤其是对磁性能起关键的作用。因此,全尺度分布考察夹杂物对无取向硅钢夹杂物的研究极为重要。本实验确定了适用于不同牌号无取向硅钢夹杂物全尺度分布的分析方法:样品制备—小样电解—过滤喷金—根据不同牌号的要求选择合适的放大倍率扫描观测—夹杂物颗粒的分类统计。通过统计的结果,结合电解的失重量可以得到不同尺度的体积分布数据。实验分析了不同牌号和工艺无取向硅钢夹杂物的种类、形貌、大小和尺度分布,并初步考查了夹杂物与磁性能的关系,对无取向硅钢的工艺研究具有一定参考价值。 Inclusions in non-oriented silica steel could inhibit the growth of grain and cause discontinuity of micro-structure.The configuration,content and size distribution of inclusion have different effects on the performance of silica steel,especially significant on the magnetic property.Therefore,it is very useful to completely characterize inclusions with full size distribution in silica steel.In our research,full size analysis method for inclusion in silica steel had been established as follows: s... 
2012-10-28 160 5.8

对CSP流程生产的无取向电工钢M50W800不同尺寸样品的磁性能进行了测试和分析,结果表明:采用不同单片检测的磁性能结果与标准的Epstein方圈样品检测对比,存在明显的偏差;且同一尺寸的单片纵横向样品之间相比较,对应的磁性能差异性也较大。几种不同尺寸的单片样品,以320mm×30mm尺寸的纵横向平均值最接近标准Epstein方圈样的性能值,其铁损偏差最小。 The magnetic properties of M50W800 non-oriented electrical steel produced by CSP process were tested and analyzed with samples of different sizes,showing that significant deviation existed compared to that of Epstein square circle sample.In particular,obvious difference in magnetic properties also existed between longitudinal and transverse samples of the same size.For test samples of different sizes,the average magnetic properties of 320mm×30mm samples are the closest to that of Epstein square ... 
2013-01-28 160 5.8

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... 
2014-03-28 160 5.8

对低温加热工艺生产的普通取向(common grain-oriented,CGO)硅钢的高温退火过程进行了中断实验,材料为含3.0%Si、0.5%Cu、0.009 8%S(均为质量分数)的以Cu2S为主抑制剂的普通取向CGO钢。原始板坯厚度为230 mm,于1 200℃均热后经4道次粗轧、7道次精轧至2.3mm;热轧板采用两次冷轧法轧至0.3mm,中间完全脱碳退火,最后于1 200℃高温退火。最后样品的磁性能:铁损P17/50为1.182W/kg,磁感应强度B8为1.897T。借助配有EDAX OIM电子背散射衍射(EBSD)系统的ZEISS SUPRA 55VP扫描电子显微镜,对高温退火过程中高斯晶粒的演变进行了研究,结果表明:升温过程中晶粒尺寸增长缓慢,650℃时取向分布函数(ODF)图出现高斯织构组分,但强度很弱,高斯晶粒偏离角小于9°;950℃时高斯晶粒平均生长速度超过其他晶粒;950~1 000℃时高斯晶粒异常长大,偏离角降至约3°;在950℃之前高斯取向晶粒相比于其他晶粒没有尺寸优势。 The high-temperature annealing process of common grain-oriented(CGO)silicon steel was investigated by interrupting test.The samples were rolled from CGO silicon steel slab under low reheating temperature.The CGO silicon steel,taking Cu2S as the main inhibitor,contains3.0%Si,0.5%Cu,and 0.0098%S.The original casting slab is 230mm in thickness.After 1 200℃reheating,four-pass rough rolling and seven-pass finish rolling were conducted to make the thickness of the slab get to 2.3mm.Then the hot rolled... 
2013-11-28 160 5.8

针对薄板坯连铸连轧流程结合\"获得抑制剂法\"所制备的低温高磁感取向硅钢,通过热力学计算研究了AlN与MnS在连铸与均热过程中的析出规律与行为。计算结果表明,连铸过程中AlN在凝固后的高温α相中便可能析出,而MnS仅可能在凝固后的α+γ两相区内析出。钢中AlN与MnS在均热过程中均处于部分固溶与部分析出的状态。后续高温渗氮处理后初次晶粒的异常长大并不明显,表明渗氮处理前钢中固有抑制剂的数量相对充足。 The precipitation behavior of MnS and AlN in low-temperature high magnetic induction grain-oriented silicon steel produced by thin slab casting and rolling process with\"acquired inhibitor method\"during continuous casting and soaking was studied by thermodynamic calculation.The calculated results show that AlN is likely to precipitate in ferrite after solidification.However,MnS can precipitate only in the two phase region of ferrite and austenite.Meanwhile,MnS and AlN in the steel can not be comp... 
2014-10-28 159 5.8

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