Abstract
In the automotive industry robots are widely used in the entire range of the production. In most cases, the isolation of the robots from human involvement can be easily achieved, by physically separating the production line or its elements from the workers (for example by a fence). In other cases, e.g.: in testing, measuring, quality control, mixed manual assembly, etc., humans have to work together with robots. In these cases collaborative robots (CoR, or CoBot) are starting to infiltrate into the production. With the strong promotion of Industry 4.0 and the introduction of cheaper robot designs the spread of CoR increased in a rapid rate. The management of factories also pushes the use of CoR in ever greater numbers. However the question still remains that the use of CoRs is necessary in all newly installed cells? Are the benefits greater than the disadvantages of these machines compared to classical industrial robots? In this paper a case study of a real industrial application in the field of automotive part supply is presented. The analysis is made on a control board-testing cell that utilises two UR10 type CoRs. The analysis tries to assess the question whether the advantage of collaborativeness of the whole cell, despite their current problems (higher price, the increase in cycle time due to the slower robotic motion, the varying rigidity and inferior accuracy), justifies the application of CoRs.
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Notes
- 1.
Legend for all the figures in the paper are: I.: incoming storage, II.: outgoing storage, I-1, flux condenser storage: testing machine, S: screwdriver unit (semi-automatic or automatic), I.R.: industrial robot, C.R.: collaborative robot, T.Pw.: manual transfer pathway, f.p.: finished PCB, T.f.: transfer fixture, Tr.P.: transfer plate used for transferring PCBs outside the cell.
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Acknowledgement
This study was supported by research project “Digital solutions for efficiency improvement of the workers in production logistics”, (registration number: 2017-1.3.1-VKE-2017-00036). The help of Professor Mátyás Horváth, Maté Barabás, György Póka and Donát Huszák is greatly acknowledge.
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Zentay, P., Kutrovacz, L., Ottlakan, M., Szalay, T. (2021). Aspects of Industrial Applications of Collaborative Robots. In: Yuschenko, A. (eds) Modern Problems of Robotics. MPoR 2020. Communications in Computer and Information Science, vol 1426. Springer, Cham. https://doi.org/10.1007/978-3-030-88458-1_1
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