Simulation Modeling to Improve the Production Efficiency of Construction Retail Business with Robots and Automation
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Abstract
This article aims to design and develop a simulation model for improving concrete block production efficiency in a case study of construction retail business. Due to the current production process, workers are required in every step of production. In addition, the production is insufficient to meet customer needs. As a result, the products cannot be delivered on time. Therefore, business owners have the idea of getting robots and automation to help in line production to find suitable ways to increase production efficiency. The development of the simulation model was created using the FlexSim software program with the application of industrial engineering tools. It consists of ECRS principles, Bill of Materials (BOM), Value Stream Mapping (VSM), and Flow Process Charts. The simulation model was then tested in the actual situation for validation and production efficiency. Moreover, there are three possible scenarios to improve the efficiency of the production process: 1) Using a fully automatic pallet wrapper 2) Using a semi-automatic pallet wrapping machine, and 3) Machine replacement in the palletizing process and wrapping process. The third is the investment in the automatic pallet wrapping machine together with the new factory layout. The production capacity of concrete blocks increases from 37 to 40 pallets per day, the productivity of the production process from 83.95% to 90.76%, and the payback period is 0.72 year.
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