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Simulering och cykeltidsberäkning av automatiserad produktionslina med hjälp av Process Simulate
University West, Department of Engineering Science.
2010 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Simulation and cycle time calculation of an automation line by using Process Simulate (English)
Abstract [sv]

Detta examensarbete har utförts i samarbete med Löfqvist Engineering i Örebro. Uppgiften har varit att utföra en simulering av en stor automatiserad produktionslina som ska användas vid tillverkning av avgassystem till lastbilar. Utifrån denna simulering skall exakta cykeltider för produktionen bestämmas. Dessa tider kan sedan användas av Löfqvist Engineering för att verifiera tidigare uppskattade tider.

Arbetet inkluderar en litteraturstudie om Lean Production och hur det fungerar ihop med automation. Det finns även med lite bakgrundsinformation om Just In Time, olika filformat och robotsimulering i allmänhet för att ge en bättre överblick av ämnet.

Programmet som har valts för att utföra simuleringen är Tecnomatix Process Simulate och den inbyggda Line Simulation modulen. Produktionslinan består av fyra hanteringsrobotar, 13 operatörsstationer och åtta identiska svetsceller. Cykeltider för produktionslinan har bestämts och resultatet blev 6 min 31 s, så det tar alltså lite drygt 6,5 minuter för produktionslinan att leverera en ny produkt. Cykeltiderna bestämdes genom att beräkna medelvärde på tiden det tog att framställa 10 stycken produkter då linan var full av material.

I rapporten finns beskrivet hur arbetet för att komma fram till cykeltiderna har fortgått och hur simuleringsproblemen som uppstått under arbetets gång har lösts.

Abstract [en]

This thesis has been carried out in collaboration with Löfqvist Engineering in Örebro. The task has been to perform a simulation of a large automation line, to be used in the manufacture of exhaust systems for trucks. Based on this simulation accurate cycle times for production are determined. These times can then be used by Löfqvist Engineering to verify the earlier estimated times.

The work includes a literature review of Lean Production and how it works with automation. There is also some background information on Just In Time, different file formats and robot simulation in general for the reader to get a bit more background knowledge of the subject.

The program that has been selected to perform the simulation is Tecnomatix Process Simulate and its built in Line Simulation module. The automation line consists of four handling robots, 13 operator stations and eight identical welding cells. Cycle times for the automation line have been determined and the result was 6 min 31s, for the automation line to complete one product. Cycle times were determined by calculating the average time to produce 10 pieces of products when the line was full of material.

The report describes how the work for arriving at these cycle times have been performed and how simulation problems encountered during such operations have been resolved.

Place, publisher, year, edition, pages
2010. , 38 p.
Keyword [en]
Lean Automation, Toyota Production System, Just in time, Tecnomatix, Process Simulate, Cycletime calculation, Robotic simulation, RCS- server
Keyword [sv]
Lean Automation, Toyota production system, Just in time, Tecnomatix, Process Simulate, Cykeltidsberäkning, Robotsimulering, RCS- server
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:hv:diva-2806OAI: oai:DiVA.org:hv-2806DiVA: diva2:369796
Uppsok
Technology
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Available from: 2010-11-30 Created: 2010-11-11 Last updated: 2010-11-30Bibliographically approved

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Type fulltextMimetype application/pdf

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