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The aim this project to remove the rust particle from required material with help of Silicon carbide abrasive particles. Generally the Abrasive Jet Machining (AJM), also known as micro-abrasive blasting, a mechanical energy used in unconventional machining process.

WORKING PRINCIPLE:

In Abrasive jet machining abrasive particles are made to impinge on work material at high velocity. Jet of abrasive particles is carried by carrier gas or air. The high velocity stream of abrasives is generated by converting pressure energy of carrier gas or air to its Kinetic energy and hence high velocity jet. Nozzles directs abrasive jet in a controlled manner onto work material. The high velocity abrasive particles remove the material by micro-cutting action as well as brittle fracture of the work material. This is a process of removal of material by impact erosion through the action of concentrated high velocity stream of grit abrasives entrained in high velocity gas stream. AJM is different from shot or sand blasting, as in AJM, finer abrasive grits are used and parameters can be controlled more effectively providing better control over product quality. In AJM, generally, the abrasive particles of around 50 microns grit size would impinge on the work material at velocity of 200 m/s from a nozzle of ID 0.5mm with a stand off distance of around 2mm. The kinetic energy of the abrasive particles would sufficient to provide material removal due to brittle fracture of the work piece or even micro cutting by the abrasives.