Non Conventional Machining Process Ppt [work] -

The demand for high-strength temperature-resistant (HSTR) alloys, composites, and miniaturized components has rendered conventional machining (turning, milling) ineffective. This paper reviews five major classes of non-conventional machining processes: Mechanical (USM, AWJM), Electrical (EDM, WEDM), Electro-Chemical (ECM), and Thermal (LBM, PBM). Each process is analyzed based on its working principle, material removal mechanism, surface integrity, and economic viability. Results indicate that while EDM dominates die-sinking applications due to high accuracy (tolerance ±0.005 mm), ECM offers stress-free surfaces (Ra 0.05 µm) ideal for aerospace rotors. Laser machining provides the highest speed for micro-features but suffers from heat-affected zones. Hybrid processes are identified as the critical future direction.

| Parameter | Conventional | Non-Conventional | |-----------|--------------|------------------| | Tool contact | Yes | No | | Material hardness | Limiting factor | No issue | | MRR | High | Low to moderate | | Surface finish | Good | Excellent (except thermal) | | Initial cost | Low | High | Non Conventional Machining Process Ppt

: Unlike conventional methods (turning, milling), NCMP does not rely on the relative hardness of the tool over the workpiece. 2. Classification of Processes the key processes

NCM processes are categorized by the type of energy used for material removal Slideshare NON-TRADITIONAL MACHINING and the latest trends.

Organize the processes into four main categories:

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