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本实用新型公开了一种冲制电机硅钢片用高速冲床的润滑油温控调节装置,包括换热机体、呈上下布置在换热机体内的冷冻水出水汇总管与冷冻水进水分配管以及冷冻水热交换换热管,冷冻水进水分配管、冷冻水热交换换热管和冷冻水出水汇总管依次连接,冷冻水进口外接冷冻水流量调节阀,冷冻水出口流出的冷冻水回流至冷却水池;换热机体顶部的一侧、另一侧分别开有进油口、出油口,进油口设油温检测盲管,油温检测盲管内设感温探头,感温探头与冷冻水流量调节阀信号连接。采用冷冻水换热冷却高温润滑油,带走油液热量,通过对冷冻水的流量控制调节,冷却后的油液温度恒定,以满足冲床润滑、冷却需要,以及减少冲床的换油周期。
2021-07-24 166 6.8

针对马钢无取向电工钢孔洞缺陷的分布规律及形貌特征,对缺陷样进行了显微分析,并利用生产实绩数据分析了该缺陷产生的原因。结合热轧生产过程,主要通过避免带钢撞击导卫以及降低导卫结瘤的产生等措施,可有效抑制热卷异物压入产生,从而降低冷轧工序孔洞的产生。 In viewing of the distribution and morphology characteristics of the hole defect of non-oriented electrical steel in Maanshan Iron and Steel Co.,Ltd.,the causes of the defect were analyzed by micro analysis of the defect sample and the production data.Combined with the production process of hot rolling,by avoiding the impact of strip steel on the guide and reducing the nodule formation on the guide,the pressing of foreign bodies in hot coiling could be effectively suppressed,thus reducing the fo... 
2022-01-28 166 5.8

根据本发明的一个实施例的取向电工钢板,其中存在于电工钢板表面的沟槽以及与沟槽底部相连的再结晶和其他再结晶的平均取向度差为0.5°至10°。
2020-12-18 166 6.8

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。
2020-12-30 166 6.8

本发明揭示了一种高牌号无取向硅钢及其生产方法,生产方法包括冶炼、连铸、热轧、酸洗、切边、常化、冷轧,冶炼最终所得钢水化学成分以质量百分比计为:C≤0.005%、Si≥2.8%、Als0.5~1.2%、Mn0.25~0.8%、P≤0.02%、S≤0.0040%、N≤0.0020%、Nb≤0.0020%、V≤0.0020%、Ti≤0.0020%,其余为Fe以及不可避免的杂质;切边工序对热轧卷板的两侧进行切边,单侧的剪切宽度为10~20mm;常化在罩式退火炉中进行,均热温度为T={(990~1010)‑100×[30×(Si)+20×(Al)]}℃,(Si)为Si的质量百分比,(Al)为Al的质量百分比,均热时间为6h,之后冷却;钢卷在罩式退火炉中冷却至预设温度T0时取出送至冷轧线冷轧,T0为120~180℃,第一道次轧制时的轧制力恒定且轧制力为11000~12000kN。本发明可避免高牌号无取向硅钢在冷轧过程中由于脆性高而导致的频繁断带。
2021-11-10 166 6.8

系统研究了无取向硅钢用磷酸盐系涂层性能的影响因素。以氢氧化铝和磷酸为原料制备磷酸二氢铝,再添加适量的添加剂酒石酸铵、二氧化硅、环氧树脂,得到的涂液涂布于硅钢表面,并控制合适的烘干温度,通过耐盐雾实验考察各因素对涂液耐腐蚀性能的影响。实验结果表明,在磷酸与氢氧化铝物质的量比为3.4∶1、酒石酸铵用量为2%、二氧化硅用量为1%、环氧树脂用量为5%、烘干温度为300℃条件下,所得涂层材料的防(耐)腐蚀效果最佳。 The factors influencing the performance of phosphate anticorrosive coating for non-oriented silicon were systematically studied.Aluminum dihydrogen phosphate was prepared with aluminum hydroxide and phosphoric acid as raw materials.Then added the right amount of additives,such as ammonium tartrate,silicon dioxide,and epoxy resin to prepare the liquid coating,which was coated on the surface of the silicon steel,and finally controlled a suitable drying temperature.The influences of various factors... 
2014-09-28 166 5.8

介绍了攀钢冶炼电工钢过程硫含量变化以及过程回硫、增硫情况,采取针对性措施,如:提高铁水装入量、转炉采用石英砂代替复合造渣剂造渣、RH脱硫等,降低钢中硫含量。结果表明:采取相应措施后,电工钢炼成率大幅提高,成品w[S]≤0.008%的比例由改进前的62%提高到92.4%,取得了明显的冶金效果。 The resulfurization and the change of sulphur content in production of electrical steel is analyzed.The targeted measures have been taken,such as increase the loaded quantity of liquid iron,quartz sand replaces the composite slagging agent in the converter and RH desulfurization to decrease the sulphur content of the steel.The result shows,after the measures have been taken,the finished product ratio of electrical steel increase a lot.The ratio of sulfur content of finished product no more than ... 
2011-02-28 166 5.8

聚焦无取向硅钢产品标准,从电磁性能、表面性能、机械性能以及尺寸公差与边部质量等维度对国际标准IEC、EN、JIS、ASTM以及国标GB进行了分析研究。分析得出,各类标准在电磁性能方面要求基本一致;ASTM标准的机械性能要求有别于其他几个标准。 In this paper,non-oriented silicon steel standards of EN,JIS,GB and ASTM were compared and analyzed. It is showed that,all types of standards in electromagnetic performance requirements are basically the same. Surface properties in ASTM standard are expressed in the most detailed. The mechanical properties requirements of the standards,except for ASTM,are basically the same. 
2014-02-28 166 5.8

本发明涉及变压器的技术领域,特别是涉及一种应用电工钢的变压器,其通过设置扇叶与冷凝盘管,通过冷却液与风冷共同对电工钢铁芯进行降温,避免电工钢铁芯工作过热导致电工钢铁芯损坏,提高使用稳定性;包括变压器箱体、两组固定支撑腿、电工钢铁芯、固定卡块、风机支架、风机、扇叶转轴、扇叶、冷却箱体、循环泵、冷却管、冷凝盘管、冷风机支架和冷风机,所述变压器箱体内部设置有空腔,所述变压器箱体右端连通设置有散热口,两组所述固定支撑腿对称固定安装在变压器箱体内部,所述固定支撑腿内端设置有紧固卡槽,所述电工钢铁芯左右两端对称固定安装有两组固定卡块,所述固定卡块固定卡装在固定支撑腿紧固卡槽中。
2021-05-27 166 6.8

通过对35W300高牌号0.35 mm冷轧无取向电工钢卷(/%:0.002C、2.71Si、0.22Mn、0.015P、0.003S、0.0020N、0.55Als)头、中、尾组织、织构及对应的磁性能的试验研究,发现因热轧时12 MPa高压水连续冷却造成接触轧辊的钢卷头、中、尾在不同温度下轧制,卷取后钢卷头部处于卷心、温度略高而冷却速度略低于钢卷尾部,致使钢卷纵向组织、织构不同,成品卷头、尾各250 m内磁感逐渐增加,铁损逐渐降低,250 m外至钢卷中部磁性能稳定。通过将热轧辊的冷却方式改为周期冷却和卷取后的层流冷却改为钢卷70 m后开始冷却,至钢卷尾部70 m前停止冷却的方式使得钢卷纵向铁损差异明显减小,磁感差异略有改善。 According to the test research on structure and texture of head,meddle and end of 35W300 high grade 0.35 mm cold rolled non-oriented electrical steel strip coil(/%:0.002C,2.71Si,0.22Mn,0.015P,0.003S,0.002 0 N,0.55Als) and corresponding magnetic properties,It is found that due to 12 MPa high pressure water continuous cooling the roller in hot rolling process led to head,middle and tail of strip rolling at different temperature and after coiling the head of strip coil being in center of coil led t... 
2013-05-28 165 5.8

对高牌号无取向电工钢35W300的成品进行了第二次退火,对第二次退火后的成品性能、纵横向磁性能差异和组织变化进行了分析。结果表明,随着第二次退火温度的升高,晶粒长大,磁性能优化。铁损平均值下降0.087 5W/kg,磁感平均值升高0.008T。第二次退火温度为820℃的产品的磁性能能够满足用户使用要求。 The product of high grade non-oriented electrical steel 35W300 was annealed at the second time.Microstructure,the difference of magnetic properties in the vertical and horizontal and were studied.The results show that the grain grew up and magnetic properties optimized with the increase of annealing temperature for the second time.Iron loss average declines in 0.0875 W/kg,magnetic induction average increases 0.008 T.The magnetic properties can meet the requirements of users at the second anneali... 
2013-04-28 165 5.8

本发明公开了一种硅钢高温加热炉用铬基高氮合金垫块及其制备方法,所述合金垫块含有Cr、Mo、N、La、Ce和Fe,不含有钨;所述合金垫块在高温抗氧化性能和高温抗蠕变性能上,优于现有技术的铬铁合金;本发明可以优化替代现有的硅钢高温加热炉用铬铁合金垫块,满足硅钢在加热炉中的加热需求,大规模工厂化生产,拥有极高的使用价值和广阔的应用市场。
2021-07-08 165 6.8

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