Computer simulation of quasi-simultaneous welding process of polycarbonate

Heidi Piili, Lauri Taimisto, Tuomas Purtonen, Petri Laakso, Antti Salminen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

4 Citations (Scopus)

Abstract

Laser welding of polymers has had everyday industrial applications for over a decade. With modern scanner and laser technology, the quasi-simultaneous welding method provides a high quality welding result with good process flexibility. So far no suitable tools for the estimation of weld properties of polymer welding have been available. Suitable parameters for welding have been searched through trial and error case by case. These parameter tests require a lot of time and effort and are considered as ineffective time in product development and production. This study presents a computer based software for estimating the weld geometry and degeneration rate of the weld. The software calculates these values according to material properties and welding parameters. By the input data, a visual image of the heating effect to the weld zone is created, which helps to understand the welding process. The correlation between the model and praxis is verified by welding tests. The welding tests are done on injection molded polycarbonate test pieces with a 100 W fiber laser and a scanner optics.
Original languageEnglish
Title of host publication28th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing
Subtitle of host publicationICALEO 2009
PublisherLaser Institute of America
Pages990-998
ISBN (Print)978-0-912035-59-8
DOIs
Publication statusPublished - 2009
MoE publication typeA4 Article in a conference publication
Event28th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing ICALEO 2009 - Orlando, United States
Duration: 2 Nov 20095 Nov 2009

Conference

Conference28th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing ICALEO 2009
Abbreviated titleICALEO 2009
Country/TerritoryUnited States
CityOrlando
Period2/11/095/11/09

Keywords

  • simulation
  • laser
  • plastic
  • welding

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