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Prediction of preheating conditions for inclined laser assisted machining

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Abstract

For laser assisted machining, shape of preheating laser heat source is changed irregularly because of complexity of material shape. So, the preheating temperature should be controlled by adjusting the feed rate or the laser power. Thermal analyses of the laser assisted machining process for inclination planes were performed. By analyzing the obtained temperature profile, a proper feed rate control method was proposed according to the inclination angles. In addition, the temperature distribution of the cross section after feed rate control was predicted. The correlation equation between inclination angles and adjusted proper feed rate was proposed. The results of this analysis can be used to predict the preheating effect on workpiece and can be applied as a preheating temperature control method in laser assisted machining processes.

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Authors and Affiliations

  1. School of Mechatronics, Changwon National University, Changwon, 641-773, Korea

    Kwang-sun Kim & Choon-man Lee

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  1. Kwang-sun Kim
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  2. Choon-man Lee
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Correspondence to Choon-man Lee.

Additional information

Foundation item: Project(2011-0017407) supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST)

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Kim, Ks., Lee, Cm. Prediction of preheating conditions for inclined laser assisted machining. J. Cent. South Univ. 19, 3079–3083 (2012). https://doi.org/10.1007/s11771-012-1381-y

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  • DOI: https://doi.org/10.1007/s11771-012-1381-y

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