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Fo r att fo retag idag ska vara konkurrenskraftiga kra vs ho g kvalitet leveransfo rma ga och flexibilitet Olhager 2013 menar att sta ndiga fo rba ttringar av fo retagsstrategier produkter och processer a r no dva ndigt Lean verktyget va rdeflo desanalys kan anva ndas fo r att identifiera slo serier och fo rba ttra produktiviteten Rahani al-Ashraf 2012 I denna studie underso ks det hur ett globalt industrifo retag som tillverkar till ka rnkraftsindustrin kan o ka sin effektivitet trots regleringar fra n standarder och kundkrav Fo r att underso ka detta har observationer gjorts pa fo retagets produktionsflo de sedan har fyra intervjuer utfo rts fo r att fa en god bild o ver fo retagets produktionsflo de och administrativa flo de samt deras nula ge Dessutom har relevant litteratur ifra n vetenskapliga artiklar bo cker myndigheter samlats in Fallfo retagets produkter ma ste uppfylla produktstandarden ASME Boiler and Pressure Vessel Code och andra krav i kundspecifikationen som ta cker tillverkning inspektion kvalitetssa kring testning och frakt Fo r att tillverka till ka rnkraftsindustrin beho ver fo retag fo lja strikta kvalitetskrav samt att det fo rekommer omfattande ma ngd dokumentation och provtagningar Fo retaget i denna studie har tidigare anva nt va rdeflo desanalys fo r att analysera mindre delar av flo det men fo retaget ser potential fo r bredare anva ndning Slutsatserna fo r denna studie a r att standarder som ASME Boiler and Pressure Vessel Code a r viktiga fo r ka rnkraftssa kerheten Standarden sta ller ho ga krav fo r tillverkningen da r det ma ste utfo ras flera kvalitetskontroller fo r att fo rhindra defekter Detta kan go ra tillverkningsprocessen mer komplex och tidskra vande i ja mfo relse med andra industrier Da fo retaget i denna studie har ett omfattande administrativt flo de som fo ljer la ngs med materialflo det a r det ma nga delar att ha kontroll pa Att anva nda va rdeflo desanalys och analysera en sto rre del av flo det ger en helhetsbild och mo jlighet till gemensam fo rsta else o ver flo dets begra nsningar Fo r att utfo ra effektiva fo rba ttringar a r det viktigt att vara eniga om hur flo det ser ut och vart flaskhalsarna finns som begra nsar flo det Utifra n fo retaget i denna studies behov a r va rdeflo desanalys enligt teorin ett la mpligt verktyg att anva nda fo r att navigera i deras fo rba ttringsarbete och o ka effektiviteten For companies today to be competitive high quality delivery capability and flexibility are required Olhager 2013 believes that continuous improvement of company strategies products and processes becomes necessary The Lean tool value stream mapping can be used to identify waste and improve productivity Rahani al-Ashraf 2012 This study analyzes how a global industrial company that manufactures for the nuclear power industry can increase its efficiency despite regulations from standards and customer requirements To study this observations have been made on the company s production flow then four interviews have been carried out to get a good picture of the company s material and administrative flow and current situation In addition have relevant literature from scientific articles books authorities been collected The case company s products must meet the ASME Boiler and Pressure Vessel Code product standard and other customer specification requirements covering manufacturing inspection quality assurance testing and shipping In order to manufacture for the nuclear power industry companies need to follow strict quality requirements and there is an extensive amount of documentation and sampling The company in this study has previously used value flow analysis to analyze smaller parts of the flow but the company sees potential for wider use The conclusions of this study are that standards such as the ASME Boiler and Pressure Vessel Code are important for nuclear safety The standard places high demands on the manufacturing where several quality controls must be carried out to prevent defects This can make the manufacturing process more complex and time-consuming compared to other industries As the company in this study has an extensive administrative flow that follows along with the material flow there are many parts to have control over Using value flow analysis and analyzing a larger part of the flow provides an overall picture and the opportunity for a common understanding of the flow s limitations To carry out effective improvements it is important to agree on what the flow looks like and where the bottlenecks are that limit the flow Based on the needs of the company in this study value flow analysis is according to the theory an appropriate tool to use to navigate their improvement efforts and increase efficiency

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Effektivitet genom värdeflödesanalys: Hantering av standarder och kundkrav inom kärnkraftsindustrin

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