Updated //top\\ — Non Conventional Machining Process Ppt

Selected areas of a workpiece are protected by a chemically resistant "maskant." The exposed areas are immersed in an etchant chemical that dissolves the unwanted material.

LBM is a thermal process that uses a highly focused, coherent beam of monochromatic light to melt and vaporize material.

The three main categories are:

(Faraday's Law, zero tool wear phenomenon, aerospace applications).

If conductive, choose EDM, WEDM, or ECM. If non-conductive, choose USM, LBM, or AJM. non conventional machining process ppt updated

: Removes metal atom-by-atom via electrolysis; it is ideal for producing complex injection molds with smooth finishes. IIT Kanpur 4. Advantages & Applications High Precision

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Focus on using eco-friendly etchants and reducing energy consumption in thermal processes. 5. Comparison: Conventional vs. Non-Conventional Conventional Machining Non-Conventional Machining Material Hardness Unlimited (if conductive/machinable) Tool-Work Contact Physical contact No direct contact (usually) Shape Complexity Surface Finish Material Removal Rate Low to Medium Tool Wear 6. Conclusion

. Instead, these processes utilize various forms of energy—mechanical, thermal, chemical, or electrochemical—to machine materials that are too hard, brittle, or complex for traditional methods. Core Classification of NCM Processes Selected areas of a workpiece are protected by

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: Uses a high-pressure jet of water (often with abrasives) to cut through materials without creating a heat-affected zone. Electro-Discharge Machining (EDM)

Cross-section diagram of a tool electrode submerged in a dielectric fluid, creating a spark gap with the workpiece. Process Mechanics

A clean layout featuring sustainability icons (recycling, eco-friendly fluids). Modern Sustainability Shift If conductive, choose EDM, WEDM, or ECM

A focused stream of gas mixed with fine abrasive particles is directed at the workpiece at high velocities. It is primarily used for deburring, deflashing, and cleaning hard, brittle surfaces.

Conventional drills cannot easily produce micro-holes, curved holes, or intricate blind cavities.

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: Processes that remove material without direct physical contact between a sharp tool and the workpiece.

Traditional machining introduces residual stresses and micro-cracks due to mechanical forces.