Influence of temperature and process parameters on bending angle in laser forming

被引：0

作者：

Sentoku, E ^{[1
]}

Ueda, T ^{[1
]}

Yamada, K ^{[1
]}

Hosokawa, A ^{[1
]}

Tanaka, R ^{[1
]}

机构：

[1] Kanazawa Univ, Grad Sch Nat Sci & Technol, Kanazawa, Ishikawa 9208667, Japan

来源：

PROGRESS OF MACHINING TECHNOLOGY | 2004年

关键词：

laser forming; plastic forming; infrared pyrometer;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Laser-forming is sheet metal bending processing caused by the thermal stresses in the sheet irradiated by a laser beam, Therefore final bending angle of the irradiated sheet depends on the temperature distribution of the sheet. In this study, a thin stainless steel is bended by the irradiation of CO2 laser. Then both temperatures at irradiated and opposite surfaces are measured using the infrared radiation pyrometer with an optical fiber. And influences of the, temperature, thickness of sheet and diameter of laser beam on final bending angle for laser-forming are experimentally investigated. Experimental results show a correlation between the temperature measured and the bending angle achieved. The bending angle linearly increases with an increase of the irradiated surface temperature. In the constant irradiated surface temperature, the increase of diameter of laser beam and the decrease of thickness of material enlarge the bending angle.

引用

页码：360 / 365

页数：6

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