Abrasive jet nozzle there is a difference between a pure water jet nozzle and an abrasive jet nozzle. In these processes, the mechanical energy of water and abrasive phases are used to achieve material removal or machining. Abrasive water jet machining awjm is non traditional or nonconventional machining process. The waterjet cutting machine system consists of three. This book presents insights in green techniques used in conventional and advanced machining. Ppt abrasive%20jet%20machine powerpoint presentation. Abrasive waterjet cutting powerpoint ppt presentation. A waterjet machine uses a pump to eject water at an extremely high pressure of over 6,000 bars through a nozzle to cut. Experimental investigation and optimization of abrasive water jet. Because the abrasive is added at the nozzle, it is simple to switch between water only and abrasive.
Abrasive water jet machiningwjm mohit ostwal assistant professor department of mechanical engineering jodhpur institute of engineering. It uses water jet working as a tool to cut the metal. In awjm, abrasive particles like sand sio2, glass beads are added to the water jet to enhance its cutting ability by many folds. The two are mixed in a mixing tube and then exit the nozzle. Principles of abrasive water jet machining andreas w. It consists of various experimental case studies conducted by. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Water jet machining working principle, advantages and.
Ppt abrasive waterjet machining powerpoint presentation. Ppt abrasive waterjet cutting powerpoint presentation free to. Variables in that influence the rate of metal removal and accuracy of machining in abrasive jet machining process are carrier gas. Experimental investigations are carried out to know the effect of abrasive water jet process parameters on machining mg alloys and mg nanocomposites. Wjm suitable for cutting plastics,rubber insulation, automotive carpeting and headliners, and most textiles.
Because the abrasive is added at the nozzle, through the mixing tube, it is simple to switch between water only and abrasive waterjet cutting. Wjm can be used to cut softer materials like plastic, rubber or wood. The present study attempts to investigate the performance of abrasive water jet machining process at low cutting pressure using selfdeveloped low cost waterjet. Abrasive water jet machining was introduced to manufacturing ten years ago and has been increasingly used for treating hardtomachine and multilayered. Abrasive water jet machining of engineering materials jagadish. It is one of the most famous nontraditional machining process because it is environment friendly.
Harder materials such as glass, ceramics, concrete, and tough composites can be cut by adding abrasives to the water jet. Learn about waterjets abrasive water jet cutting machine. Water jet machining abrasive water jet machning slideshare. Abrasive water jet machiningwjm mohit ostwal assistant professor jodhpur institute of engineering and technology. Today we will learn about water jet machining and abrasive water jet machining principle, working, equipments, application, advantages and disadvantages with its diagram.
To cut a wider range of material, a granular abrasive typically garnet is added to the high pressure waterjet stream, increasing the cutting power. To cut a wider range of materials from tool steel to titanium to foam, a granular typically garnet abrasive is added to the waterjet, increasing the cutting power. Abrasive water jet cutting the following presentation contains facts about how abrasives are used in water jet cutting. Abrasive water jet machiningbasic terms and working duration. Abrasive water jet machining awjm developed in 1974 to clean metal. The present study aims to optimize the abrasive water jet machining parameters while machining aluminiumtungsten carbide composites. Water jet machining wjm also called water jet cutting, is a nontraditional machining process in which highvelocity jet of water is used to remove materials from the surface of the workpiece. Characterization and optimization of abrasive water jet machining. Abrasive water jet machining wjm mohit ostwal assistant professor department of mechanical engineering jodhpur institute of engineering and technology, coed, jodhpur 2122016 mohitostwal,asst.
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