Stochastic Modeling and Optimization of Laser Machining by Response Surface Methodology

• Main Authors: Sivarao, Subramonian, Ammar, Abd Rahman, T., Joseph Sahaya Anand, Salleh, Mohd Shukor
• Format: Article
• Language: English
• Published: IJENS Publishers 2010
• Subjects: TJ Mechanical engineering and machinery
• Online Access: http://eprints.utem.edu.my/id/eprint/9152/1/101804-5252_IJET-IJENS.pdf; http://eprints.utem.edu.my/id/eprint/9152/

Design of experiment uses a series of structured analytic method to investigate the relation between parameters and the responses. The particular technique used in this study is response surface methodology. Using the DOE approach, a mathematical based model was developed through regression analysis to study the response prediction. It is found that for kerf width the cutting speed plays an important role. Only a high cutting speed can produce good kerf width. When considering the interaction between the parameters, duty cycle directly depends on frequency where a high duty cycle is needed for high frequency cutting and vice versa to obtain a good kerf width.