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提高27CrMo系列钻探管精整成材率的轧制技术
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作者 王宝明 谢麒麟 孙海明 《宝钢技术》 CAS 2018年第1期63-66,共4页
宝钢27CrMo系列钻探管均为全定尺管,用户要求管子内表光滑,且壁厚上下限公差范围要求较严。针对27CrMo系列钻探管精整成材率偏低的问题,通过轧制试验研究,对轧制计划,管坯切割精度,环形炉出炉温度,穿孔机、连轧机、张减机工艺参数进行优... 宝钢27CrMo系列钻探管均为全定尺管,用户要求管子内表光滑,且壁厚上下限公差范围要求较严。针对27CrMo系列钻探管精整成材率偏低的问题,通过轧制试验研究,对轧制计划,管坯切割精度,环形炉出炉温度,穿孔机、连轧机、张减机工艺参数进行优化,热轧管壁厚精度及内表质量改进效果显著,2016年27CrMo系列钻探管精整成材率较2015年提升了6.7%。 展开更多
关键词 钻探管 壁厚 内表质量 精整成材率
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Photodetection of the Quality on Internal Surface of Steel Pipe
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作者 MA Hong CHE Ying +1 位作者 SHEN Yuzhi BAI Baoxing(Changchun Institute of Optics and Fine Mechanics,Changchun 130022,CHN) 《Semiconductor Photonics and Technology》 CAS 1996年第2期150-154,136,共6页
In this paper,a photoelectric device is introduced,which is used in detecting the quality on internal surface of thin and long steel pipe.In this device,the CCTV lens is used for extract tile flaw information on inter... In this paper,a photoelectric device is introduced,which is used in detecting the quality on internal surface of thin and long steel pipe.In this device,the CCTV lens is used for extract tile flaw information on internal surface of the pipe,and make IBM-PC/AT 486 computer as controlling and image processing system.By this instrument,the functions,such as the digital conversion of input information,image processing,classification of recognition and output display can be obtained.In the petroleum and chemical industry,by using this apparatus,we can detect the quality on internal surface of various metal pipes with real-time automatically. 展开更多
关键词 Flaw Detection Image Processing Quality Control
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Study on Quality Control of Architectural Decoration Engineering
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作者 Song Wang Jing Zhang 《International Journal of Technology Management》 2014年第5期112-114,共3页
The article analysis of construction surface decoration quality, construction interior wall decoration quality, the construction of exterior wall tile adhesive quality and construction of aluminium alloy exterior qual... The article analysis of construction surface decoration quality, construction interior wall decoration quality, the construction of exterior wall tile adhesive quality and construction of aluminium alloy exterior quality problems, and points out the corresponding prevention measures on the problem. Finally, for wall cracks, the paper put forward the improvement measures. 展开更多
关键词 DECORATION engineering quality construction quality CONTROL
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