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鞍钢厚板厂引进了日本先进的组合剪系统,为此详细介绍了该系统的辅助设备及工作原理,并对使用效果作出评价,实践证明:该系统的辅助设备达到了高精度的自动控制先进水平。 相似文献
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鞍钢厚板厂引进了日本先进的组合剪系统,为此详细介绍了该系统的辅助设备及工作原理,并对使用效果作出评价.实践证明:该系统的辅助设备达到了高精度的自动控制先进水平. 相似文献
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介绍了高精度测温仪系统总体组成,探讨了数字温度传感器DS1820与单片机MCS51(8031)的接 口方法以及由DS1820实现高精度测温的途径,实际使用表明该仪表具有较好的测温效果。 相似文献
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为了精确测长,采用工业电视应用公司Bedford的Integral Vision厂生产的标准检查系统Integral125。该系统使用三个高精度CCD传感器TV型摄象机,以观测从开坯轧机出来通过剪切机的坯件,切断长度为15m。为了覆盖整个长度范围并有足够的精度,则需要三个摄象机。坯件通过摄象机观测区时的温度大约是1000℃,所以摄象机以机壳保护,安装在现场地面上方6m处,以避免出现危险,并保证在生产过程中清洁使用。 相似文献
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复合恒张力控制系统在高精度可逆冷轧机上的应用 总被引:1,自引:0,他引:1
本文介绍用于上海第三冷轧带钢厂高精度可逆冷轧机上的数字化复合恒张力控制系统。该系统是一种带前馈环节的复合闭环系统,它解决了稳定性与稳态精度的矛盾,提高了控制精度。 相似文献
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板厚度、板凸度是衡量板材质量的重要指标,激光板凸度检测系统的核心技术是基于差动激光三角法的扫描式高精度厚度检测系统.本文介绍该系统的组成和功能,着重分析该系统设计过程中的关键技术.通过实际应用表明,本系统的检测精度达到±1 um. 相似文献
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实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。 相似文献
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正Shijiazhuang City will build the world’s biggest replacing-copper-with-aluminum cable production base,the annual output value can reach 100 billion yuan,in the future it will develop replacing-copper-with-aluminum highend industry cluster.This piece of news was learned by the reporter at the Rare Earth highiron Aluminum Alloy[Nonferrous Business Opportunity:Aluminum alloy door]Cable Conductor New Technology Application Seminar held at the provincial capital. 相似文献
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《China Nonferrous Metals Monthly》2014,(12)
正Since the beginning of Chongqing’s upgrading to a municipality directly under the Central Government,Chongqing City has established direct friendly relationship with Almaty,Kazakhstan,and carried out a series of cooperation in commerce and trade,and culture 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正"For each tonne of aluminum being produced,the upstream enterprise on the aluminum industrial chain will suffer loss about 2000yuan."Said Liang Xiao,Deputy Director of Pingguo Industrial Park Management Committee under the Guangxi Baise City,one of the four major aluminum industry bases in China,on August 11.Extending aluminum 相似文献
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正Immediately after the news that Chinalco transferred 58%stock equity of Yunnan Copper Group to its wholly-owned subsidiary China Copper Corporation Limited free of charge was disclosed on July 9,many individual investors couldn’t help but to think:Does it mean China Copper Corporation Limited will assemble assets for overall listing?At present,among main copper business companies under China Copper Corporation 相似文献
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正At the press conference recently held by the National Development and Reform Commission under the theme"Deepen Reform in Investment AuditApproval System",when answering questions from reporters,Huang Min,Director of the Department of Fixed Assets Investment of the National Development and Reform Commission,said that in the future it would continue to intensify efforts in geological prospecting,and actively guide social capital to enter this field. 相似文献
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正Recently,Guangxi Metallurgical Research Institute,a subsidiary of Guangxi Nonferrous Metals Group,completed survey on laterite and related manufacturers in the region,by combining the current development status of laterite both at home and abroad,it compiled Guangxi’s first"Research Report on the Development of Guangxi Nickel Industrial Chain"which adopted laterite as the study subject.This report expounded on the current 相似文献
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