Laser beam machining is a thermal machining process which uses laser beam to produce heat. Laser beam machining lbm is a form of machining process in which laser beam is used for the machining of metallic and non metallic materials.
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The mechanism by which a laser beam removes material from the surface being worked usually involves a combination of melting and evaporation although with some materials such as carbon and.
Laser beam machining conclusion pdf. In this process a laser beam of high energy is made to strike on the workpiece the thermal energy of the laser gets transferred to the surface of the wp workpiece. International journal of machine tools manufacture 48 2008 609628 laser beam machininga review avanish kumar dubey vinod yadava department of mechanical engineering motilal nehru national institute of technology allahabad 211004 up india. Laser beam machining used light energy from a laser to remove material by vaporization and ablation energy is concentrated optically laser emits either continuous or pulsed light beam 5 source. Today we will learn about laser beam machining principle working equipments application advantages and disadvantages with its diagram. Laser beam machining lbm is a valuable tool for drilling cutting and milling of almost any material. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. Laser beam machining lbm is a non conventional machining manufacturing process a form of machining in which a laser is directed towards the work piece for machining. Laser beam machining lbm is a thermal energy based advanced machining process in which the material is removed by i melting ii vaporization and iii chemical degradation chemical bonds are broken which causes the materials to degrade. In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. Effect of laser beam on material 6 source.
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