Non Conventional Machining Process Ppt Jun 2026

A nickel-based superalloy turbine blade requires 50-80 angled cooling holes (<0.5 mm diameter). Conventional drilling fails due to tool breakage. Laser Beam Machining (LBM) drills holes in 0.2 seconds per hole but leaves a recast layer requiring secondary polishing. EDM provides a cleaner hole but takes 15 seconds per hole. The industry trend is "Laser roughing + ECM finishing."

: Unlike traditional milling or turning, there is often no direct contact between the tool and the workpiece. Energy-Based Removal Non Conventional Machining Process Ppt

: Used for materials harder than 40 HRC, such as titanium, ceramics, and superalloys tirapid.com Geometric Complexity EDM provides a cleaner hole but takes 15 seconds per hole

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: Uses spark erosion between an electrode and the workpiece. Plasma Arc Cutting (PAC) : Uses high-temperature ionized gas (plasma) to cut. Chemical and Electrochemical Energy Electrochemical Machining (ECM)

This paper provides a high-level overview of Non-Traditional Machining (NTM)