变形观测与高度测量机器人系统

介绍了中南大学自行研制开发的高精度测量机器人系统的组成、工作原理,以及该系统实现高精度观测所采取的主要措施仪器室内检定、野外力频同测、高精度气象改正、周日观测等,同时以某电站大坝的变形观测为例,简单介绍了该系统可达到的精度及工程应用领域.     

鞍钢厚板厂组合剪辅助设计分析

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。     

鞍钢厚板厂组合剪辅助设备分析

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．     

DS1820在高精度测温仪中的应用

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。     

伺服驱动技术在水平连铸中的应用

本文介绍了伺服驱动技术在水平连铸中的应用。该伺服控制系统操作简单，具有高精度、高可靠性及反应快速的特点。     

高精度磁尺基本原理简介

MP-SCALE是一种高精度位移传感器(磁尺),介绍了该系统的基本原理及在鞍钢1780生产线上的应用.     

在线检查系统改善钢铁生产的过程控制

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。     

复合恒张力控制系统在高精度可逆冷轧机上的应用

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。     

高精度激光板凸度检测技术

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.     

流量AGC在宝钢冷连轧机上的应用

介绍冷连轧机流量AGC原理,从粗调AGC和精调AGC两个方面分析系统的各种控制算法,并进一步分析讨论流量AGC在宝钢冷连轧机上的应用。采用高精度、快速响应的数字式速度控制,使该冷连轧机的流量AGC系统具有先进、可靠、精度高的特点,可以将带钢的厚度精度控制在微米级,满足用户对冷轧带钢的高精度需求。     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness.     

Seven Rare Earth Projects Involving Close to 3 Billion Yuan Investment Landed In the HighTech Zone

正On May 22,Baotou Rare Earth Industry Cooperation Consultation MeetingProject Agreement-signing Ceremony was held in Ningbo,nearly 40 enterprises from Ningbo,Guangdong,Hunan,and Shanxi participated in project consultation.After multi-lateral communication,agreements were signed for a total of 7 rare earth projects successfully.