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冶金部委托山东省冶金公司于1986年元月19日至21日在山东铝厂召开了W-150型潜孔无阀冲击器鉴定会。该冲击器的研制是从1980年开始的,东北工学院完成了冲击器的设计任务,通化风动工具厂试制了样机,由山东铝厂矿山公司等单位进行了工业试验。历时四年,经过两个循环的研制过程,先后试制了两批共30台样机(第一批一台投入工业试验),对其中4台样机进行了标定。至1985年5月止,累计总进尺30975m,平均每台进尺7744m,主要经济技术性能指标达
Ministry of Metallurgy commissioned Shandong Metallurgical Company in 1986 January 19 to 21 held in Shandong Aluminum Plant W-150 DTH valve without impact assessment. The impactor was developed from 1980, and Northeastern Institute of Technology completed the design task of the impactor. Tonghua Pneumatic Tool Factory made a trial prototype and the industrial test was carried out by Shandong Aluminum Plant and Mining Company. After four years, after two cycles of development process, a total of 30 prototypes of two batches have been trial-produced (the first one was put into industrial test), and four of the prototypes were calibrated. To May 1985 only, the cumulative total footage 30975m, an average of 7744m per footage, the main economic and technical performance indicators up to