Abstract
Car assembly is assembling the components to become a complete car. The car assembly process consists of three lines: trimming, chassis and final. Assembling a car seat is one of the activities with a heavy workload by using several body parts in the work found in the final line. The work process is done manually and repetitively, such as taking, pushing, pulling and assembling the seat into the car. These activities can cause pain and injury in several parts of the worker’s body, called MSD. This injury will have an impact on the unevenness of the assembly process in achieving the production target. There are two seat assembly workers. This research aims to identify employee complaints to determine the level of MSD risk and the body parts of the employee that dominate feeling very sick by applying the NBM and WERA methods. The application of NBM gives the results of body parts that dominate feeling very painful during the work process which consists of the lower neck, back, waist, bottom, lower arm and ankle, which are included in the “Medium” risk level with each total score of 24 operators 1 and 27 operators 2. WERA gave the results of four activities included in the “medium” risk level with a total score of > 30, and one activity was in the “low” risk level with a total score of 25; hence, further review and action are needed. Corrective action can be given as an ergonomic design of automatic aids that can move independently without human assistance to facilitate the work process.
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Nelfiyanti, N., Nik Mohamed, N.M.Z. (2024). Application of NBM and WERA Assessment Methods in Work Posture Analysis of Car Seat Assembly Operators in the Automotive Industry Final Line. In: Mohd. Isa, W.H., Khairuddin, I.M., Mohd. Razman, M.A., Saruchi, S.'., Teh, SH., Liu, P. (eds) Intelligent Manufacturing and Mechatronics. iM3F 2023. Lecture Notes in Networks and Systems, vol 850. Springer, Singapore. https://doi.org/10.1007/978-981-99-8819-8_27
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