Abrasive Jet Machine

Introduction
Abrasive jet machining (AJM) is a non-traditional machining
process that can machine material without generating heat and
shock.
Abrasive jet machining (AJM) is commonly used for Cutting,
Cleaning, Drilling and Etching operation

Mechanism of AJM

Fine particles are accelerated in
gas stream .

The particles are directed towards
the focus of machining.

As the particle impacts the surface,
it causes a small fractu ....etc

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seminar report on water jet machining

Abstract
Waterjet cutting, introduced in the early '70s, uses a highly pressurized stream of water, sometimes with an added abrasive. The waterjet stream, moving at nearly three times the speed of sound, can penetrate almost any material and thickness. Waterjets are often used on composites and plastics that cannot tolerate heat, mechanical damage, or delamination. And because the jet of water is constricted to a tiny diameter at such high pressures, the workpiece does not get wet.

Overview
Manufacturers ....etc

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Laser beam machining (LBM) is a non-traditional subtractive manufacturing process, a form of machining, in which a laser is directed towards the work piece for machining. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. ....etc

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Abrasive Jet Machining
INTRODUCTION
Abrasive water jet machine tools are suddenly being a hit in the market since they are quick to program and could make money on short runs. They are quick to set up, and offer quick turn-around on the machine. They complement existing tools used for either primary or secondary operations and could make parts quickly out of virtually out of any material. One of the major advantage is that they donot heat the material. All sorts of intricate shapes are easy to make. They turns to be a mon ....etc

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i want report on water jet machining containig following content:
1.astudy of effect of process parameters of abrasive jet machining
2.application of abrasive water jet technology for material sculpturing
3.abrasive jet machining for edge generation
4.simulation of abrasive water jet cutting process
5.cutting precious metals with abrasive water jet ....etc

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Abrasive jet machining uses a stream of fine grained abrasive mixed with air or some other carrier gas usually nitrogen at high pressure. Here abrasives used are sodium bicarbonate, glass power, silicon carbide are aluminium oxide. The particle size rages from 10m to 50 . The smaller size particles are used to obtaining good surface finish. For rapid removal rate of material larger size particles are used. In Abrasive jet machining Nozzles are made up of tungsten carbide or ceramic to withstand high degree of abrasion wear.The metal removal ra ....etc

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