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Abstract
The human factor is becoming increasingly relevant for its role in industrial development; therefore, it is necessary to evaluate the machine–man–environment system in an integrated and not isolated way, as is commonly done, for evaluating the sustainability performance of manufacturing practices. For this reason, in this paper, an ergonomic triad model is proposed for calculating a novel Sustainable Work Index, (SWI), made up of the factors: human work, workstation design, organizational environment and sustainable environmental conditions. The methodology consists of defining the productive time, interviewing the workers, taking anthropometric measurements, assessing the environmental conditions, obtaining the indicators for each factor, calculating the index and interpreting the results to define improvement actions. The model was applied to a manufacturing industry obtaining a regular status with an index of 63.6%. Improvement actions were implemented, and it was possible to increase the index to 73.9%, which represents a good commitment of the company towards occupational health. The development of the new triad model to calculate the SWI will allow industries to visualize indicators of the interaction of the ergonomic triad, identify its current condition and propose actions to physically, organizationally and environmentally improve human well-being and system performance.
Highlights
The main objective of ergonomics is to develop and apply techniques for adapting man to his work and to find efficient and safe ways to optimize the well-being of employees and increase productivity. [1]
Ergonomics is a very broad discipline that is gaining strength in the industry; there are still companies that do not have an ergonomics department and the functions are in charge of the safety and hygiene departments and sometimes the staff is not certified or specialized in this area, probably due to the fact that companies mainly concentrate on achieving increased productivity and reducing costs, leaving aside the well-being of its workers, since it is difficult to visualize in the short term the diseases that can be generated in workers for working in an inappropriate environment
Ergonomics has gained greater relevance in the industry and its ergonomic methods have been applied to adapt work to man, a reference value that represents the level of sustainable work of the company was not identified—that is, how the operator interacts with his work, machines, and the environment, for which a new ergonomic triad model was proposed that comprehensively evaluates the system and allows identifying areas of opportunity to improve the worker’s well-being and the company’s performance
Summary
The main objective of ergonomics is to develop and apply techniques for adapting man to his work and to find efficient and safe ways to optimize the well-being of employees and increase productivity. [1]. The main objective of ergonomics is to develop and apply techniques for adapting man to his work and to find efficient and safe ways to optimize the well-being of employees and increase productivity. Sustainable development seeks to ensure that the needs of the current generation are met without affecting the ability of future generations to meet their own, development can be achieved as long as the environment, social and economic aspects are addressed jointly in the short, medium and long term. Sustainable development includes social aspects among its objectives, where work and the worker are fundamental. Work can benefit sustainable development, since workers are active agents in society [3]
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