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Introdução: a indústria manufatureira mexicana do ramo automotivo emprega em média 8 milhões 850 mil trabalhadores ao ano repartidos nos 32 estados, dos quais Puebla contribui com 465 106 deles, desenvolvendo, em uma alta porcentagem a verificação de peças novas como parte dos processos de manufatura. Esta atividade apoia-se no uso de dispositivos conhecidos como fixtures, cuja equipe e ferramentas abriga aos operários a levantar cargas entre os 10 e 50 quilogramas realizando operações manuais para a fixação de peças, se apresentando dores no nível lombar, pelo que é primordial medir os riscos de lesões nas costas da população em estudo. Materiais e métodos: se analisa o processo de inspeção identificando os fatores de risco potencial. Se utilizam metodologias e ferramentas ergonómicas, tais como Quick Exposure Check (QEC), a equação do National Institute for Occupational Safety and Health (Niosh), o método REBA (Rapid Entire Body Assessment), o sistema de análise de posturas de trabalho de Ovako (OWAS), entre outras. Resultados: o método QEC mostra que o torso/costas e o pulso/mão são as partes mais sensíveis à exposição de risco, assinalando o 18 % das posturas em um nível de risco 4, com as costas rotadas e curvadas em mais do 32 % do tempo. O peso que leva a operação supera os 20 quilogramas no 71.4 %. Conclusão: utilizam-se quatro técnicas ergonómicas para avaliar o risco de lesão e se analisa o processo de inspeção de peças fabricadas.

Luis Cuautle-Gutiérrez, Ph. D, Faculty of Industrial and Automotive Engineering, Universidad Popular Autónoma del Estado de Puebla (National Autonomous Popular University of Puebla).

Faculty of Industrial and Automotive Engineering, Universidad Popular Autónoma del Estado de Puebla (National Autonomous Popular University of Puebla).

María Teresa Escobedo-Portillo, Ph. D, Institute for Engineering and Technology, Autonomous University of Ciudad Juárez.

Institute for Engineering and Technology, Autonomous University of Ciudad Juárez.

Luis Alberto Uribe-Pacheco, MS, Faculty of Industrial and Automotive Engineering, Universidad Popular Autónoma del Estado de Puebla (National Autonomous Popular University of Puebla).

Faculty of Industrial and Automotive Engineering, Universidad Popular Autónoma del Estado de Puebla (National Autonomous Popular University of Puebla).

José Domingo García-Tepox, MS, Faculty of Industrial and Automotive Engineering, Universidad Popular Autónoma del Estado de Puebla (National Autonomous Popular University of Puebla), Mexico.

Faculty of Industrial and Automotive Engineering, Universidad Popular Autónoma del Estado de Puebla (National Autonomous Popular University of Puebla), Mexico.
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