Ergonomic Improvement in a Manufacturing Company

摘要

The objective of study is to identify the musculoskeletal disorders (MSDs) experienced by particular workers who perform manual tasks. Improper working techniques and substandard while working, have exposed workers to occupational health risks especially in manufacturing factory. The study focused on the production line in the metal manufacturing company. The surveys of body discomfort have been distributed among the workers in each department to identify the most critical department that has experienced MSDs. The ergonomic of risk level was analysed by using Rapid Upper Limb Assessment (RULA). The proposed improvement design was constructed by using Solidworks software. Based on result of survey it shows that most operators in deburring department have experienced 4 main MSDs which are wrist, upper back, lower back and hips due to prolonged sitting and improper handling methods during process of deburring and grinding metal plate. This study has proven that the new design proposed had improved the existent posture of workers by reducing the RULA score from 7 to 2. The application should be implemented in order to improve the work posture and reduce the exertion of excessive force while working.