Design of a cutting tool for oil-palm bunches
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Universidad Industrial de Santander
2018
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| _version_ | 1876431961200787456 |
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| author | Lina Parra-Ruiz |
| author_facet | Lina Parra-Ruiz |
| contents | Design of a cutting tool for oil-palm bunches Lina Parra-Ruiz Jorge Quintero-Medina Fernanda Maradei Ingeniería Ergonomics fruit damage low back stress human simulation The aim of this article is to design a Cutting System for Oil-palm fruit bunches to reduce both the low back stress in workers and the damage received by the bunches when impacting the soil. The Oil palm has gained importance around the world because its efficiency in terms of productivity and resources consumption. However this palm can reach 20 meters high with a leaf crown that make difficult to have access to the fruit bunches. Bunches can weigh between 20 and 25 kg, in consequence, workers have to adopt uncomfortable postures that force the body and develop musculoskeletal disorders especially the low back pain. The process of design starts by a field analysis that allows to determinate the way in which workers use tools like Malaysian knife, and the postures that they normally adopt to develop this task. This information was taken to create alternatives and concepts, which were modelled in CAD software and tested through a finite element analysis. The low back stress is reduced trough taking the mass centre of the tool out of the body; this is possible with a new support that carried the cutting tool while workers only manoeuvre to give direction. To reduce the impact energy, it was performed panels around the palm, which offer an elastic deformation, those can adopt the form of a wheelbarrow to make easy its transportation. Through this system workers are able to cut the bunches without perform inappropriate body postures and at the same time, as the mass centre is out of the operator’s body there is no reaction over lumbar discs. Otherwise, as panels produce an elastic deformation while bunch’s collide this increase the time for fruit bunches to reach the soil, for that the deceleration enhance and in this way the collision force is reduced. 2018 artículo científico 1657-4583 https://www.redalyc.org/articulo.oa?id=553756967007 https://www.redalyc.org/journal/5537/553756967007/ https://www.redalyc.org/journal/5537/553756967007/html/ https://www.redalyc.org/journal/5537/553756967007/553756967007.epub https://www.redalyc.org/journal/5537/553756967007/movil en http://www.redalyc.org/revista.oa?id=5537 Revista UIS Ingenierías application/pdf Universidad Industrial de Santander Revista UIS Ingenierías (Colombia) Num.1 Vol.17 |
| format | Artículo científico |
| id | redalyc_553756967007 |
| institution | Redalyc |
| language | en |
| publishDate | 2018 |
| publisher | Universidad Industrial de Santander |
| spellingShingle | Design of a cutting tool for oil-palm bunches Lina Parra-Ruiz Ingeniería Ergonomics fruit damage low back stress human simulation Design of a cutting tool for oil-palm bunches Lina Parra-Ruiz Jorge Quintero-Medina Fernanda Maradei Ingeniería Ergonomics fruit damage low back stress human simulation The aim of this article is to design a Cutting System for Oil-palm fruit bunches to reduce both the low back stress in workers and the damage received by the bunches when impacting the soil. The Oil palm has gained importance around the world because its efficiency in terms of productivity and resources consumption. However this palm can reach 20 meters high with a leaf crown that make difficult to have access to the fruit bunches. Bunches can weigh between 20 and 25 kg, in consequence, workers have to adopt uncomfortable postures that force the body and develop musculoskeletal disorders especially the low back pain. The process of design starts by a field analysis that allows to determinate the way in which workers use tools like Malaysian knife, and the postures that they normally adopt to develop this task. This information was taken to create alternatives and concepts, which were modelled in CAD software and tested through a finite element analysis. The low back stress is reduced trough taking the mass centre of the tool out of the body; this is possible with a new support that carried the cutting tool while workers only manoeuvre to give direction. To reduce the impact energy, it was performed panels around the palm, which offer an elastic deformation, those can adopt the form of a wheelbarrow to make easy its transportation. Through this system workers are able to cut the bunches without perform inappropriate body postures and at the same time, as the mass centre is out of the operator’s body there is no reaction over lumbar discs. Otherwise, as panels produce an elastic deformation while bunch’s collide this increase the time for fruit bunches to reach the soil, for that the deceleration enhance and in this way the collision force is reduced. 2018 artículo científico 1657-4583 https://www.redalyc.org/articulo.oa?id=553756967007 https://www.redalyc.org/journal/5537/553756967007/ https://www.redalyc.org/journal/5537/553756967007/html/ https://www.redalyc.org/journal/5537/553756967007/553756967007.epub https://www.redalyc.org/journal/5537/553756967007/movil en http://www.redalyc.org/revista.oa?id=5537 Revista UIS Ingenierías application/pdf Universidad Industrial de Santander Revista UIS Ingenierías (Colombia) Num.1 Vol.17 |
| title | Design of a cutting tool for oil-palm bunches |
| topic | Ingeniería Ergonomics fruit damage low back stress human simulation |
| url | https://www.redalyc.org/articulo.oa?id=553756967007 https://www.redalyc.org/journal/5537/553756967007/ https://www.redalyc.org/journal/5537/553756967007/html/ https://www.redalyc.org/journal/5537/553756967007/553756967007.epub https://www.redalyc.org/journal/5537/553756967007/movil |