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Managing Production deviations: A case study at Scania AB
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Hantering av produktionsavvikelser : en fallstudie på Scania AB (Swedish)
Abstract [en]

The use of continuous improvement programs is a widespread practice present in many organizations throughout the world. CI-programs are mostly associated with Lean production and substantial focus in literature and research are on the applicable tools and methods. This focus has led to the lack of attention to the softer areas of CI such as implementation. The reason explaining this might be due to the difficulties of measuring success in these areas.

In order to investigate production deviations within a company that uses CI a study was performed at the bus chassis assembly at Scania. The deviation handling process and all activities related to it is highly influenced by Scania’s Production System. The studies were conducted at an assembly area with observations and interviews taking place as well as an internal benchmarking performed at the engine assembly.

The conclusion is that the area studied at Scania has the tools and methods needed (although with the need of adjustments) but the implementation part is lacking. This area will come to play a big part in taking SPS one step further.

As a recommendation to the area studied in Scania a group of suggestions has been presented in this paper in order to improve the implementation of SPS. The managerial contribution of this paper is a group of important suggestions. The theoretical contribution of this paper can be seen as a case study that could create an increase insight in the complexity of this topic but also to increase the attention to the importance of it.

Abstract [sv]

Ständiga förbättringar är ett världsomfattande fenomen som används inom flera organisationer. Oftast associerar man ständiga förbättringar med Lean och litteraturen kring ämnet beskriver för det mesta bara verktygen och metoderna som tillämpas. Detta focus har lett till att väldigt lite uppmärksamhet har riktats mot de mjukare delarna så som implementering. En orsak till detta kan vara svårigheten att mäta framgång inom området.

För att undersöka avvikelser inom ett företag som arbetar med ständiga förbättringar så gjordes en studie på Scanias buss chassi montering. Avvikelsehanteringsprocessen påverkas väldigt mycket utav Scanias produktions system. Studier utfördes på ett monteringområde där man bland annat observerade, intervjuade samt utförde en benchmark på motormonteringen.

Slutsatsen är att monteringsområdet där studien ägde rum på Scania har verktygen och metoderna som behövs (med behovet av mindre justeringar) men implementeringen har brister. Just implementeringen kommer spela en stor roll i att ta SPS ett steg längre.

Som en rekommendation till monteringsområdet som undersöktes så har ett flertal förslag som kan förbättra SPS presenterats i denna rapport. Bidraget till lokala ledningen är ett antal viktiga förslag. Det teoretiska bidraget i denna rapport kan ses som en case studie som kan förbättra förståelsen för det komplexa ämnet samt att belysa det ytterligare och konstatera dess betydelse.

Place, publisher, year, edition, pages
2012. , 101 p.
, Degree Project in Production Engineering Management, Second Level, 511
Keyword [en]
Production deviation, continuous improvement, lean, SPS, Scania, standardization, work-groups, implementation, human factor
Keyword [sv]
Avvikelser, ständiga förbättringar, lean, SPS, Scania, standardisering, arbetsgrupper, Implementering, Mänskliga faktorn
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-102496OAI: diva2:553204
Subject / course
Production Engineering
Educational program
Master of Science - Production Engineering and Management
Available from: 2012-09-18 Created: 2012-09-18 Last updated: 2012-09-18Bibliographically approved

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