Non-conventional machining (NCM) processes, often called non-traditional machining, represent a group of advanced manufacturing techniques that remove material using various energy forms—electrical, thermal, chemical, or mechanical—without direct physical contact between a sharp cutting tool and the workpiece. These processes were developed to overcome the limitations of traditional machining, such as the inability to machine extremely hard or brittle materials and the difficulty of creating complex, intricate geometries. Classification of Non-Conventional Machining
Definition: Processes that remove material using mechanical, thermal, electrical, or chemical energy without direct physical contact from a sharp cutting tool. Non Conventional Machining Process Ppt
Electron Beam Machining (EBM): Uses a focused beam of high-velocity electrons . Hybrid processes (laser + EDM), ultrafast lasers, automation
Slide 4: Mechanical Processes (USM & AJM) Visual: An animation or diagram of Ultrasonic Machining (USM) showing a tool vibrating with abrasive slurry. Story: "But energy comes in many forms. Sometimes, we still use mechanics, but differently. Take Ultrasonic Machining (USM). Imagine you have a hard, brittle material like glass or a ceramic semiconductor. You can't cut it with a knife. But what if you could 'vibrate' it away? In USM, the tool doesn't spin; it vibrates at a frequency higher than the human ear can hear. It drives tiny abrasive particles—like microscopic hammers—slamming against the glass millions of times a second. It erodes the material away, gently carving out complex shapes without ever heating up the part." we still use mechanics