OPTIMIZATION OF FORMABILITY PARAMETERS IN INCREMENTAL SHEET METAL FORMING PROCESS
Keywords:Incremental forming, Optimization, Surface roughness, Wall thickness, Taguchi grey relation analysis
The Conventional forming process, without die and punch press, cannot be completed for desired product output and it leads to higher cost of setup forming process in industries, especially in automotive and sheet metal industries. To come over this cost factor, there is need of unique process for forming of sheet metal which eliminates higher setup cost of die and punch press. Considering lead time for process starting, it also takes higher lead time in conventional process which also effects on ultimate manufacturing cost. Surface quality and wall thickness mainly depends on the input parameters during forming process. This study aims to optimize surface roughness and wall thickness through incremental forming on AA6063 Aluminium alloy at room temperature by controlling the effects of forming parameters. To conclude the optimum process parameters in ISF, Taguchi method of DOE with L9 orthogonal array was developed for different process parameter factors such as feed rate, speed of spindle, wall angle, and step depth increment.
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