| Summary: | VBG Produkter AB is a process-orientated company that develops, manufactures and markets trailer couplings with belonging coupling equipment, protection equipment against skidding and stands for wagon-bridge for heavy vehicles. The company feels that their set-up time in production for couplings is not at an acceptable level. Due to high demands of customer oriented production the intermediate stock level of included products within the assembly of couplings has gradually increased which has resulted in high inventory holding costs. VBG Produkter applies Kanban in their production, therefore it is important to produce exactly the necessary amount and avoid overproduction. The objective of this project is to suggest appropriate solutions so that VBG Produkter is able to reduce their set-up time in assembly of couplings, by identifying internal and external set-up time for the chosen process bushing cell. The project has resulted in two main solutions. One based on reduction of safety inventory stock of included products in the assembly of couplings and the other one is to introduce Single Minute Exchange of Die method in the manufacturing department for couplings. During the analysis, a problem area has been addressed that lays beyond the project constraints. The set-up times for manufacturing of some products are not accurate in production.
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