Non Conventional Machining Process Ppt -
The workpiece surface is thoroughly cleaned, and a chemical-resistant layer called a "maskant" is applied selectively. The unmasked areas are exposed to an etchant (acidic or alkaline solution) that chemically dissolves the material layer by layer.
Material is removed by a rapid series of recurring electrical spark discharges between a shaped tool (cathode) and a conductive workpiece (anode) immersed in a dielectric fluid (like kerosene or deionized water). The intense heat melts and vaporizes the material.
This guide serves as a comprehensive resource for students, engineers, and educators looking to build a detailed presentation or research paper on the topic. 1. Introduction to Non-Conventional Machining Non Conventional Machining Process Ppt
) emits a highly concentrated beam of light. Optical lenses focus this beam onto a tiny spot on the workpiece. The intense photon energy is absorbed by the material, rapidly heating it past its boiling point to cause localized vaporization.
Non-conventional machining is no longer a "specialty" process but a primary manufacturing method for aerospace, medical, and die industries. While EDM and LBM dominate thermal applications, ECM remains critical for stress-free high-volume production. The primary limitation remains the low energy efficiency (EDM: <5% efficient). Future research must focus on process hybridization and digital twin control to optimize real-time parameters. The workpiece surface is thoroughly cleaned, and a
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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) The intense heat melts and vaporizes the material
High capital and tooling cost; safe disposal of chemical sludge required; limited to conductive materials. 4. Process Selection Criteria
Super-precision micro-hole drilling, slotting, and contouring of advanced aerospace ceramics and alloys. 5. Deep Dive into Electrochemical & Chemical Processes Electrochemical Machining (ECM)
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Machining brittle materials like glass, ceramics, quartz, and gemstones; drilling non-circular holes.
