철도차량용 차륜 및 차축에 대한 품질인증사례 연구

Quality certification was performed for wheel and axle of railway vehicle regulated as main components in the railway safety law, which should be certificated to secure performance, safety and homogeneity for railway system. The quality certification was classified into QMSI (quality management system investigation) to investigate business adminstration, organization, quality management, test and inspection, and facility management of component supplier, and CT (certification test) to verify mechanical and chemical properties required for wheel and axle in the KS (Korean Industrial Standard).