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Preliminary study of the fuel injector assembly capacity
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Preliminär studie av kapaciteten för montering av bränsleinsprutningsmunstycken (Swedish)
Abstract [en]

In the near future the demand of the XPI fuel injectors of Scania Cummins JV assembled in Södertälje is predicted to increase. To meet this new demand the assembly line needs to increase its capacity. This paper is a preliminary study of how this capacity increment could be carried out to meet a future demand of 50% higher than today. The assembly line is semi-automated and consists of eight stations in which 100 operators are working in two shifts. The study includes situational analysis, VSM, cycle time analysis, flow analysis, line balancing and optimisation. Each station has been studied separately including all circumstances that can hinder the production of the line. The study shows how a step-by-step ramp up could be carried out for increasing the capacity of the fuel injectors. The suggestions include structural change, layout change, automation, optimisation and program logic changes.

Abstract [sv]

Inom en snar framtid förutsägs efterfrågan på XPI-bränsleinsprutningsmunstycken från Scania Cummins JV monterade i Södertälje öka. För att möta denna nya efterfrågan måste monteringslinan öka sin kapacitet. Detta dokument är en preliminär studie av hur denna kapacitetsökning kan genomföras för att möta en framtida efterfrågan som är 50 % högre än idag. Monteringslinan är halvautomatisk och består av åtta stationer där 100 operatörer arbetar i två skift. Studien inkluderar lägesanalys, VSM, cykeltidsanalys, flödesanalys, linbalansering och optimering. Varje station har studerats separat inkluderande alla scenarier som kan hindra produktionen på linan. Studien visar hur en steg-för-steg upptrappning skulle kunna genomföras för att öka produktionen av bränsleinsprutningsmunstycken. Förslagen inkluderar strukturförändringar, layoutändring, automatisering, optimering och programlogikändringar.

Place, publisher, year, edition, pages
2019. , p. 80
Series
TRITA-ITM-EX ; 2019:150
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-259578OAI: oai:DiVA.org:kth-259578DiVA, id: diva2:1352263
External cooperation
Subject / course
Mechanical Engineering
Educational program
Master of Science - Production Engineering and Management
Presentation
2019-07-24, 00:00
Supervisors
Examiners
Available from: 2019-09-18 Created: 2019-09-18 Last updated: 2019-09-18Bibliographically approved

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CiteExportLink to record
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