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随着工业机械化程度的不断提高,机械设备零部件断裂失效问题也日益增多,有些断裂事故给人民生命和国家财产造成了难以弥补的损失。经过断裂失效分析发现,大多数断前已产生严重的危害性缺陷。这就促使我们应用无损检测技术,对在役的煤矿机械设
As the degree of industrial mechanization continues to increase, the failure of machinery and equipment parts is also increasing. Some of the fractures have caused irreparable damage to people’s lives and property. After fracture failure analysis found that most of the cut off before it has produced serious harmful defects. This prompted us to apply non-destructive testing technology to coal mine machinery in service