Non - Conventional Machining Process Ppt

Understanding the operational differences between these two methodologies is critical for process selection. Conventional Machining Non-Conventional Machining Physical contact occurs. No physical contact. Tool Hardness Tool must be harder than the workpiece. Tool hardness is irrelevant. Energy Source Mechanical energy (shear force). Thermal, chemical, electrical, or fluid energy. Material Removal Mechanism Plastic deformation and chip formation. Melting, vaporisation, ionic dissolution, or erosion. Tool Wear High tool wear due to friction. Minimal to no tool wear. Waste Production Large, macroscopic chips. Microscopic particles or chemical ions. Classification of Non-Conventional Machining Processes

DC power supply, dielectric system, servo control mechanism (to maintain spark gap), tool electrode, and workpiece. Non Conventional Machining Process Ppt

To summarize what your final PPT should achieve:

Uses spark erosion between an electrode and the workpiece. No physical contact

For instance, the slides on highlight its ability to generate complex shapes with high accuracy without any direct contact, making it ideal for machining fragile materials. Its applications include producing dies, glass-making molds, and turbine blades. The EDM section notes that it can machine any electrically conductive material, yet points out challenges like reproducing sharp corners due to "overcut" and electrode wear.

Dicing silicon wafers and drilling micro-vias in printed circuit boards (PCBs). Conclusion Energy Source Mechanical energy (shear force)

Drilling micro-holes, engraving, and profile cutting in metals, plastics, and composites.

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