Laser Solutions (한국레이저가공학회지)
- Volume 13 Issue 2
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- Pages.1-5
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- 2010
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- 1229-0963(pISSN)
Study on friction characteristics according to lubrication condition of metal surface by laser dotted line pattern processing
레이저 점선 패턴가공된 금속표면의 윤활조건에 따른 마찰특성에 관한 연구
- Chung, Woo-Young (Korea Automotive Technology Institute) ;
- Kim, Sang-Ho (Korea Automotive Technology Institute) ;
- Han, Hyung-Wook (Korea Automotive Technology Institute) ;
- Min, Joon-Won (Korea Automotive Technology Institute) ;
- Jeung, Won-Yong (Korea Institute Of Science and Technology) ;
- Rhee, Meung-Ho (Korea Automotive Technology Institute)
- 정우영 (자동차부품연구원) ;
- 김상호 (자동차부품연구원) ;
- 한형욱 (자동차부품연구원) ;
- 민준원 (자동차부품연구원) ;
- 정원용 (한국과학기술연구원) ;
- 이명호 (자동차부품연구원)
- Published : 2010.06.30
Abstract
A high speed laser texturing method that relies on laser scanner conditions, to form pattern shapes with micro-narrow surface detail such as dotted line features is demonstrated and analyzed. For example, this method may be used to piston ring and gear part for automotive. Data on friction characteristics of two laser patterns employed for STD61 steel will be shown. Comparison of pattern depths obtained by repetition overlapping process with laser scanner to the results on friction coefficient will be provide. It will be shown that friction characteristic in dotted line patterns can significantly depend upon interaction with the lubrication and laser pattern conditions. Laser pattern processing into a shallow depth provides only slight improvement in friction, while work into a deep shape indicates a significant improvement.