Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Productivity Improvement using Simulated Value Stream Mapping: A Case Study of the Truck Manufacturing Industry

Version 1 : Received: 16 August 2022 / Approved: 17 August 2022 / Online: 17 August 2022 (08:19:22 CEST)

How to cite: Poswa, F.; Mpofu, K.; Adenuga, O.T. Productivity Improvement using Simulated Value Stream Mapping: A Case Study of the Truck Manufacturing Industry. Preprints 2022, 2022080306 (doi: 10.20944/preprints202208.0306.v1). Poswa, F.; Mpofu, K.; Adenuga, O.T. Productivity Improvement using Simulated Value Stream Mapping: A Case Study of the Truck Manufacturing Industry. Preprints 2022, 2022080306 (doi: 10.20944/preprints202208.0306.v1).

Abstract

The accumulation of process waste in the production line causes fluctuations, bottlenecks, and increased inventory in workstations disrupting process flow. In this paper, the aim is the use a simulated value stream mapping (SVSM) as a lean assessment tool for decision-making in the continuous improvement process to influence and provide consideration and consistency on productivity improvement in the production system. The proposed methodology applied discrete event simulation for production process operations improvement to eliminate non-value adding times and provides good quality products at the lowest cost and highest efficiency. The results are the analysis of the current state of the production system in a South African truck manufacturing industry small and medium enterprise (SMEs) as a potential solution for the production system future state. The identified non-value adding times in the 6 most critical workstations was eliminated by SVSM which resulted in a productivity improvement of 4%, most importantly bringing the productivity to 95% and total cycle time improvement to 451 for small units and 466 for large units. The results proposed combined VSM and Simulation techniques which enhance the LEAN application by DES to increase productivity and performance improvement to remain competitive in the global economy.

Keywords

simulated value stream mapping; small and medium enterprise

Subject

ENGINEERING, Industrial & Manufacturing Engineering

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