Page 172 - Module DMV20173

EXERCISE 8.4

Explain clearly the working principles of Abrasive Jet Machining.

The working principles of Abrasive Jet Machining (AJM);
- In abrasive-jet machining (AJM), a high-velocity jet of dry air, nitrogen,
or carbon dioxide containing abrasive particles is aimed at the
workpiece surface under controlled conditions.
- The material removal takes places due to the important of the fine

abrasive particles.
- These particles move with a high speed air stream.

EXERCISE 8.5

Explain clearly the working principles of Ultrasonic Machining. Use sketches to
support your answer.

Principle of Ultrasonic Machining:

 Tool is hammering the abrasive particles.
 The impact of the abrasive particles which move freely.
 Cavitation Erosion of abrasive slurry.
 Chemical Erosion.