Vapor-melt Ratio in Laser Fine Cutting of Slot Arrays

Journal Article · Wed May 04 04:00:00 EDT 2011 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3589590· OSTI ID:21516773

Xuyue, Wang; Qingxuan, Meng; Renke, Kang; Wenji, Xu; Dongming, Guo; Lianji, Wang ^[1]

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1. School of Mechanical Engineering, Dalian University of Technology, Dalian 116024 (China)

In order to improve cut quality for slot arrays, a new method of laser fine cutting under the consideration of the ratio of vapor to melt is presented. Laser cutting of 6063 aluminum alloy sheet, 0.5 mm in thickness, was carried out on a JK701H Nd:YAG pulse laser cutting system. The effects of vapor-melt ratio on kerf width, surface roughness and recast layer were studied which relate cutting qualities. Observation on the cut samples with different vapor-melt ratios (0.687, 1.574, 3.601 varied with laser power increasing, and 1.535, 3.601, 7.661 with decreasing of beam cutting speed) shows that high vapor-melt ratio improves laser cut quality clearly. Kerf width 0.2 mm of smooth area on kerf top area and thickness 2.03 {mu}m of recast layer are obtained. No dross was found on the kerf bottom and the percentage of the smooth area is up to 40% out of whole kerf side. The research on vapor-melt ratio provides a deeper understanding of laser cutting and improves laser cut quality effectively.

• OSTI ID: 21516773
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1353; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
ALUMINIUM ALLOYS
BEAMS
CHEMICAL REACTIONS
CORROSION
CUTTING
DIMENSIONS
ELECTROMAGNETIC RADIATION
FLUIDS
GASES
LASER RADIATION
LASERS
LAYERS
MACHINING
NEODYMIUM LASERS
PULSES
RADIATIONS
ROUGHNESS
SHEETS
SOLID STATE LASERS
SURFACE PROPERTIES
SURFACES
THICKNESS
VAPORS
VELOCITY