Analysis of the efficiency of a robotic cell for stamping from simulated data in environment real and virtual - A case study applied to a Brazilian automobile company

William A Celestino Lopes, Maurício Fontoura Blos

Abstract


This paper aims to compare productive data involved in the development of a robotic cell applied to the automotive stamping area by configuring simulated scenarios between the virtual and the real environment to obtain maximum process efficiency. The study of the virtual model in the 2D environment analyzes the variables in the main stages taking into account the positioning, the movement, the assembly, with the aid of the Plant Simulation software. Simulating minimum and maximum conditions of activities allows the addition of the initial results for the formation of the first production cycles. To evaluate the robotic cell, the indicator used to measure efficiency was OEE Overall Equipment Effectiveness. This index is a percentage metric of the process measuring the data collected in virtual and real environments through the product between availability, performance and quality. The results obtained in the software simulation allowed to obtain the best scenario, analyzing the variables and comparing them to the world standard of productivity. The results allowed to extract the maximum of each element and to study its behavior when integrated taking into account the ideal efficiency adopted in several productive systems contained in the OEE indicators. Predicting possible nonconformities even during the design phase ensures the model's versatility in the face of ever more competitive scenarios.

Keywords: Robotized cell. Virtual simulation. Productive efficiency.


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