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我队週树海坑探机組七月份以廿六个台班,完成进尺任务113.50公尺,平均台班效率达到4.365公尺,爆破率平均为92％。該機台作业坑口經常保持2—4个工作面,主要岩石为偉晶岩f=8～10,爆破性較好,配置在該作業坑口的动力設备系75(?)移动式空气压縮机一台,风压情況良好,終压达到5.5个大气压以上,使用炭素鋼十字形釺凿岩,釺頭平均直徑为42公厘,有气支架、手搖推进器及容量100公升水桶各一套,01—30型凿岩机二台,一台备用。取得这样高的台班效率采取的主要手段系單机多掌作业,在劳动組織上也作了一些探索性的調整,并采取了几項重要的技术措施。这些經驗大致可以归納为如下几方面:
In July, our team of Zhou Shui-hai pit-digging units completed a footage-taking mission of 113.50 meters with an average flight efficiency of 4.365 meters and an average blasting rate of 92%. The working pit of the machine often maintains 2-4 working faces, the main rock is pegmatite f = 8 ~ 10, and the blasting performance is good. The power equipment arranged in the working pit is 75 (?) Mobile Air Compression Machine one, wind pressure in good condition, the final pressure reached 5.5 atmospheric pressure, the use of carbon steel cross 釺 drilling, the average diameter of the head 42 mm, air support, hand propeller and a capacity of 100 liters of water each Set, 01-30 type two rock drill, a spare. The main measure taken to achieve such a high efficiency of the shift was the single-machine multi-tasking operation. Some exploratory adjustments were also made in the labor organization and several important technical measures were taken. These experiences can be summarized as follows: