Paper Information

Journal:   MODARES MECHANICAL ENGINEERING   FALL 2010 , Volume 10 , Number 3; Page(s) 67 To 86.
 
Paper: 

THEORETICAL AND EXPERIMENTAL STUDY OF THE EFFECTS OF PROCESS PARAMETERS ON BENDING ANGLE IN LASER BENDING PROCESS

 
 
Author(s):  HOSSEINPOUR GOLLOU M.*, MOSLEMI NAEINI H., LIAGHAT GH.H., JELVANI S.
 
* UNIVERSITY OF MOHAGHEGH ARDABILI
 
Abstract: 

In this paper an analytical model for prediction of angular deformation is presented. In this model convective heat losses and a multipoint distributed heat source is used for determination of the inherent strain zone which causes the bending angle. The effects of laser bending process parameters including laser power, beam diameter, scan velocity and pulse duration on the bending angle were investigated experimentally. Main effects of factors were considered and the regression line was derived. An L9 Taguchi’s standard orthogonal array was employed as experimental design and the level of importance of the laser bending process parameters on the bending angle was determined using analysis of variance (ANOVA). Comparison of the analytical model and experimental results has shown a reasonable agreement.

 
Keyword(s): LASER FORMING, LASER BENDING, DESIGN OF EXPERIMENTS (DOE), ANOVA
 
References: 
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