To machine extremely hard or brittle materials (e.g., ceramics, carbides).
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: Unlike traditional milling or turning, there is often no direct contact between the tool and the workpiece. Energy-Based Removal
Machines high-strength alloys and fragile parts without damage. High accuracy and surface integrity. Enables micro-machining. Limitations Higher initial equipment cost. Non Conventional Machining Process Ppt
ECM can be viewed as the reverse of electroplating. It removes material atom by atom, offering high material removal rates regardless of hardness.
Industrial advancement constantly introduces new alloys, ceramics, and composites. These materials possess exceptional hardness, high strength-to-weight ratios, and thermal resistance. While these properties are desirable for aerospace, automotive, and medical applications, they make traditional machining inefficient or impossible. Traditional machining faces several critical limitations:
Producing micro-holes, deep blind cavities, or intricate profiles is incredibly difficult with physical cutting tools. To machine extremely hard or brittle materials (e
Leaves smooth edges without structural deformation. Disadvantages
: High surface finish and suitable for non-conductive, brittle materials. Slideshare 5. Advantages and Limitations Advantages
Non-Conventional Machining │ ┌────────────────────────┼────────────────────────┐ ▼ ▼ ▼ Mechanical Thermal Chemical & │ Electrochemical ┌────┴────┐ ┌─────────┼─────────┐ │ │ AJM │ │ EDM │ LBM │ ┌─────┴─────┐ │ USM │ │ EBM │ PAM │ │ ECM │ │ WJM │ └─────────┴─────────┘ │ CHM │ └─────────┘ └───────────┘ 1. Mechanical Processes : Unlike traditional milling or turning, there is
Comprehensive Guide to Non-Conventional Machining Processes (PPT Content)
Zero tool wear, excellent surface finish, high material removal rate regardless of hardness.
Volumetric material removal is generally much slower than conventional rough milling or turning.
Unlike traditional machining, NCM does not require a physical tool that is harder than the workpiece, and there is often no direct contact between the tool and the part. Why use NCM?