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鉴于全局各矿的许多大型设备都已使用20年以上,当时的许多资料又不齐全,为了确保煤矿安全,又不影响日常生产,焦作矿务局机电修配公司利用节假日煤矿机电设备大检修或月检修的时间,对在用的绞车大轴、天轮轴、风机轴、制动闸大小拉杆、销子等安全部件,采用超声波探伤、磁力探伤、X 射线及渗透探伤、金相无损检测等手段到现场进行检查,并建立专
In view of the fact that many large-scale equipments in various mines have been used for more than 20 years, many of the data were not complete at that time. In order to ensure the safety of coal mines and not affect the daily production, the electromechanical repair company of Jiaozuo Mining Bureau utilized the overhaul or electromechanical equipment of holiday coal mines Maintenance time, the use of the winch shaft, the day wheel shaft, the fan shaft, the brake lever size, pins and other security components, the use of ultrasonic testing, magnetic testing, X-ray and penetration testing, metallographic nondestructive testing and other means to On-site inspection, and create a college