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Analysis of Overlapping Heat Zones in Laser-Assisted Machining
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 Title & Authors
Analysis of Overlapping Heat Zones in Laser-Assisted Machining
Baek, Jong-Tae; Lee, Choon-Man;
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Laser-assisted machining (LAM) is one of the most effective methods for enhancing the machinability of difficult-to-cut materials, such as titanium alloys and various ceramics, and has been studied by many researchers. LAM is a method that facilitates machining by softening a workpiece using a laser heat source. The advantages of the LAM process are decreases in tool wear, cutting force, and surface roughness. However, when the material is over-heated, melting or burning can occur. This study analyzed the heat source distribution with regard to overlapping of preheating on the laser heating path with an acute angle, a right angle and obtuse angles. Then, a power reduction method was proposed to reduce the melting and burning of the workpiece.
Laser-Assisted milling;Laser heat source;Thermal analysis;Overlapping heat zone;
 Cited by
다중열원 보조가공을 위한 평판 시편의 예열 효과에 관한 해석적 연구,문성호;이춘만;

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