Optimization of Turning of Inconel 625 to Improve Surface Quality After Finishing Process

Area of Science:

• Materials Science and Engineering
• Manufacturing Processes

Background:

• Modern engineering materials like nickel-based superalloys present machining challenges.
• Improving the finishing processes for these advanced materials is crucial for industrial applications.

Purpose of the Study:

• To compare the turning process of Inconel 625 using three distinct cutting inserts.
• To investigate the influence of machining parameters (cutting speed, feed rate, depth of cut) on surface quality.
• To introduce and validate a stepwise parameter selection method for optimizing Inconel 625 machining.

Main Methods:

• Experimental comparison of three cutting insert types during the turning of Inconel 625.
• Analysis of the effects of cutting speed, feed rate, and cutting depth on machined surface quality.
• Application of a stepwise parameter selection approach for process optimization.

Main Results:

• Identification of optimal cutting parameters for achieving desired surface quality in Inconel 625 turning.
• Demonstration of the effectiveness of the stepwise selection method in optimizing machining parameters.
• Comparative performance data for different cutting inserts in machining Inconel 625.

Conclusions:

• The stepwise parameter selection method offers a viable approach for optimizing the machining of Inconel 625.
• This optimization is essential for industrial applications utilizing nickel-chromium materials with advanced strength properties.
• Further research can explore broader applications of this method across various superalloys.