Non Conventional Machining Process Ppt Updated 'link'

Excellent surface finish, no tool wear, no thermal stress. 4. Latest Trends and Advancements (Updated)

Uses chemicals/etchants to remove material from specific areas [9].

A key difference is that in non-traditional processes, there is typically , which eliminates the mechanical stresses, tool wear, and heat generation associated with conventional machining. Although some non-traditional processes do involve tool wear, it is rarely a significant problem.

Hardened steels, carbide tools, and complex blind cavities. non conventional machining process ppt updated

PAM employs a high-velocity jet of superheated, ionized gas (plasma), which can reach temperatures of up to 30,000°C, to melt and displace material. This thermal process excels at high-speed cutting and profiling of conductive metals, especially in thick sections where other methods may be less efficient.

The landscape of modern manufacturing has undergone a radical transformation. Traditional machining, once the backbone of industry, now faces limitations when dealing with "super-materials" like Inconel 718, ceramics, and high-entropy alloys. Non-conventional machining (NCM) processes have emerged as the primary solution, utilizing thermal, chemical, electrical, and mechanical energies rather than physical contact with a sharp tool. In 2026, these processes are no longer just "alternatives" but essential components of the advanced manufacturing ecosystem .

Capable of machining materials like titanium, ceramics, and superalloys (Inconel). Excellent surface finish, no tool wear, no thermal stress

: Capital costs for lasers, power generators, and CNC controllers are high.

5. Industrial Applications (Aerospace, Medical, and Semiconductor)

Non-conventional machining (NCM) processes, also known as advanced or non-traditional machining, represent a group of material removal techniques that do not use physical contact or conventional cutting tools A key difference is that in non-traditional processes,

If conductive, choose EDM, WEDM, or ECM. If non-conductive, choose USM, LBM, or AJM.

Thin or brittle workpieces deform or fracture under standard cutting loads. Key Performance Differences Characteristic Conventional Machining Non-Conventional Machining Mechanism Plastic deformation / Shear Erosion, Melting, Chemical dissolution Tool Material Must be harder than workpiece Can be softer than workpiece Contact Direct physical contact No direct physical contact Tool Wear High mechanical wear Minimal to localized electrical wear Capital Cost Low to medium High initial investment 2. Classification of Advanced Machining Processes

Highly versatile for cutting composites, plastics, and metals without any thermal damage.