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Impact of materials exposure on assembly workstation performance

Christian Finnsgård (Institutionen för teknikens ekonomi och organisation, Logistik och transport) ; Carl Wänström (Institutionen för teknikens ekonomi och organisation, Logistik och transport) ; Lars Medbo (Institutionen för teknikens ekonomi och organisation, Logistik och transport) ; Patrick Neumann
International Journal of Production Research (0020-7543). Vol. 49 (2011), 24, p. 7253-7274.
[Artikel, refereegranskad vetenskaplig]

This paper examines how the choice of materials exposure impacts workstation performance, in terms of non-value-adding work, space requirements and ergonomics. In a typical Swedish automotive setting, components are exposed in wooden pallets with frames beside the assembly line and supplied by forklift truck. In a case study, three workstations on an assembly line were studied and redesigned following the principles of lean production, using smaller plastic containers for the materials exposure. After the redesign, the space required for materials was reduced by 67%, non-value-adding work decreased by 20%, and walking distance was reduced by 52%. Furthermore, the ergonomics for the assembly operator improved greatly, with a 92% reduction of potentially harmful picking activities, thereby almost eliminating potentially harmful body movements. The theoretical contribution of this paper is firstly the development of an analysis model describing the impact of material exposure on workstation performance and secondly development of the existing categorization of work operations to include different materials handling activities. The most important managerial implication is an increased understanding of the relationship between space, ergonomics, non-value-adding work and materials exposure. These findings have direct implications on workstation design in industry.

Nyckelord: Materials handling, materials supply, assembly, packaging, lean production, ergonomics

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Denna post skapades 2011-01-28. Senast ändrad 2014-11-10.
CPL Pubid: 136195


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Institutioner (Chalmers)

Institutionen för teknikens ekonomi och organisation, Logistik och transport (2005-2016)


Arbetsvetenskap och ergonomi
Industriell organisation, administration och ekonomi

Chalmers infrastruktur

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Materials exposure: The interface between materials supply and assembly