Investigation on laser assisted micro ball milling of Inconel 718
Micro milling of super alloy materials such as nickel based alloys is challenging due to the excellent of its mechanical properties. Therefore, new techniques have been suggested to enhance the machinability of nickel based alloys by pre-heating the workpiece’s surface to reduce its strength. Determ...
| Main Authors: | , , , |
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| Format: | Article |
| Published: |
Trans Tech Publications Inc
2014
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.4028/www.scientific.net/AMM.660.79 http://dx.doi.org/10.4028/www.scientific.net/AMM.660.79 http://eprints.uthm.edu.my/6421/1/Investigation_on_Laser_Assisted_Micro_Ball_Milling_of_Inconel_718.pdf |
| Summary: | Micro milling of super alloy materials such as nickel based alloys is challenging due to
the excellent of its mechanical properties. Therefore, new techniques have been suggested to
enhance the machinability of nickel based alloys by pre-heating the workpiece’s surface to reduce
its strength. Determining the processing parameters and their effects to the processing
characteristics are crucially important. However, not only the micro-milling parameters need to be
considered, but the pre-heating parameters are also need to take into consideration as well. These
parameters are expected to improve the machinability. In this study, the experiment of LAMM in
Inconel 718 was conducted with considering laser power, cutting speed, depth of cut, feed rate and
laser-to-cutting tool distance. From the result, the effectiveness of laser assisted and cutting
parameter in term of cutting force and tool wear was identified by comparing between conventional
and LAMM. Finally, the optimum range of machining parameters can be determined. |
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