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Production system d...
Production system design elements influencing productivity and ergonomics - A case study of parallel and serial flow strategies
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- Neumann, W. P. (author)
- National Institute for Working Life, Gothenburg, Sweden; Department of Design Sciences, Lund Technical University, Lund, Sweden; Department of Mechanical and Industrial Engineering, Ryerson University, Toronto, Canada
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- Winkel, Jörgen, 1946 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för arbetsvetenskap,Department of Work Science,University of Gothenburg,National Institute for Working Life, Gothenburg, Sweden
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- Medbo, Lars, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Department of Transport and Logisitics, Chalmers Technical University, Gothenburg, Sweden
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- Magneberg, R. (author)
- National Institute for Working Life, Gothenburg, Sweden
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- Mathiassen, Svend Erik (author)
- Högskolan i Gävle,Lund University,Lunds universitet,Avdelningen för arbets- och miljömedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Occupational and Environmental Medicine, Lund University,Department of Laboratory Medicine,Faculty of Medicine,Centrum för belastningsskadeforskning
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(creator_code:org_t)
- Emerald, 2006
- 2006
- English.
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In: International Journal of Operations & Production Management. - : Emerald. - 0144-3577 .- 1758-6593. ; 26:8, s. 904-923
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Abstract
Subject headings
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- Purpose - The purpose of this paper is to investigate a strategic change from parallel cell-based assembly (old) to serial-line assembly (new) in a Swedish company with special reference to how production system design elements affect both productivity and ergonomics. Design/methodology/approach - Multiple methods, including records and video analysis, questionnaires, interviews, biomechanical modelling, and flow simulation were applied. Findings - The new system, unlike the old, showed the emergence of system and balance losses as well as vulnerability to disturbances and difficulty handling all product variants. Nevertheless, the new system as realised partially overcame productivity barriers in the operation and management of the old system. The new system had impaired ergonomics due to decreased physical variation and increased repetitiveness with cycle times that were 6 per cent of previous thus increasing repetitiveness, and significantly reducing perceived influence over work. Workstations' uneven exposure to physical tasks such as nut running created a potential problem for workload management. The adoption of teamwork in the new system contributed to significantly increased co-worker support - an ergonomic benefit. Practical implications - Design decisions made early in the development process affect both ergonomics and productivity in the resulting system. While the time pattern of physical loading appeared to be controlled by flow and work organisation elements, the amplitude of loading was determined more by workstation layout. Psychosocial conditions appear to be affected by a combination of system elements including layout, flow, and work organisation elements. Strategic use of parallelisation elements in assembly, perhaps in hybrid forms from configurations observed here, appears to be a viable design option for improved performance by reducing the fragility and ergonomic problems of assembly lines. Originality/value - The interacting design elements examined here pose potential "levers" of control by which productivity and ergonomics could be jointly optimised for improved total system performance.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
- SAMHÄLLSVETENSKAP -- Annan samhällsvetenskap -- Övrig annan samhällsvetenskap (hsv//swe)
- SOCIAL SCIENCES -- Other Social Sciences -- Other Social Sciences not elsewhere specified (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Produktionsteknik, arbetsvetenskap och ergonomi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Production Engineering, Human Work Science and Ergonomics (hsv//eng)
Keyword
- MUSCULOSKELETAL DISORDERS
- ASSEMBLY WORK
- LOW-BACK-PAIN
- SWEDISH AUTOMOTIVE INDUSTRY
- IMPACT
- STRESS
- SYMPTOMS
- QUALITY
- PERFORMANCE
- LINE
- ergonomics
- cellular
- productivity rates
- production planning
- assembly lines
- Sweden
- manufacturing
- Produktionsergonomi
- Produktionsergonomi
Publication and Content Type
- art (subject category)
- ref (subject category)
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