Mean number of abrasive particles per writ volume of carrier gas. Today we will learn about water jet machining and abrasive water jet machining principle, working, equipments, application, advantages and disadvantages with its diagram. In these processes, the mechanical energy of water and abrasive phases are used to achieve material removal or machining. Water jet machining working principle, advantages and. Abrasive jet nozzle there is a difference between a pure water jet nozzle and an abrasive jet nozzle. Water jet machining powerpoint ppt presentations powershow. Ppt abrasive waterjet cutting powerpoint presentation free to. Characterization and optimization of abrasive water jet machining. With the abrasive jet nozzle, an opening in the side of the nozzle allows for the introduction of the abrasive to the highpressure water stream. Experimental investigations are carried out to know the effect of abrasive water jet process parameters on machining mg alloys and mg nanocomposites. Because the abrasive is added at the nozzle, through the mixing tube, it is simple to switch between water only and abrasive waterjet cutting. It consists of various experimental case studies conducted by. Abrasive water jet machiningwjm mohit ostwal assistant professor jodhpur institute of engineering and technology. 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.
In these processes wjm and ajwm, the mechanical energy of water and abrasive phases are used to achieve material removal or machining. It is one of the most famous nontraditional machining process because it is environment friendly. It uses water jet working as a tool to cut the metal. A waterjet machine uses a pump to eject water at an extremely high pressure of over 6,000 bars through a nozzle to cut. Because the abrasive is added at the nozzle, it is simple to switch between water only and abrasive. It also provides information about the largest garnet abrasive manufacturers and exporters in india, like vv mineral. Learn about waterjets abrasive water jet cutting machine. The present study aims to optimize the abrasive water jet machining parameters while machining aluminiumtungsten carbide composites. Harder materials such as glass, ceramics, concrete, and tough composites can be cut by adding abrasives to the water jet. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Hence, this work deals with the assessment of the optimum process parameters in abrasive water jet cutting of carbon fiber reinforced plastic. Ppt abrasive%20jet%20machine powerpoint presentation. Abrasive water jet machining was introduced to manufacturing ten years ago and has been increasingly used for treating hardtomachine and multilayered. It facilitates versatile and effective machining, cutting, and shaping of metals and other materials.
Abrasive water jet machining developed in 1974 to clean metal prior to surface treatment of the metal. Your custom mold base and special machining source iso 90012008. Wjm can be used to cut softer materials like plastic, rubber or wood. Principles of abrasive water jet machining andreas w. The present study attempts to investigate the performance of abrasive water jet machining process at low cutting pressure using selfdeveloped low cost waterjet. To cut a wider range of material, a granular abrasive typically garnet is added to the high pressure waterjet stream, increasing the cutting power. A waterjet utilizes a high pressure stream of water to erode a narrow line in the stock material. Abrasive water jet machining awjm developed in 1974 to clean metal. Ppt abrasive waterjet machining powerpoint presentation. The two are mixed in a mixing tube and then exit the nozzle.
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. Abrasive water jet machining of engineering materials jagadish. Abrasive water jet machining wjm mohit ostwal assistant professor department of mechanical engineering jodhpur institute of engineering and technology, coed, jodhpur 2122016 mohitostwal,asst. Wjm suitable for cutting plastics,rubber insulation, automotive carpeting and headliners, and most textiles. Variables in that influence the rate of metal removal and accuracy of machining in abrasive jet machining process are carrier gas.
Introduction abrasive water jet machining awjm is non traditional or non conventional machining process. This book presents insights in green techniques used in conventional and advanced machining. Abrasive water jet machiningbasic terms and working duration. Water jet machining abrasive water jet machning slideshare. Abrasive water jet cutting the following presentation contains facts about how abrasives are used in water jet cutting. Abrasive water jet machiningwjm mohit ostwal assistant professor department of mechanical engineering jodhpur institute of engineering. Experimental investigation and optimization of abrasive water jet. Global waterjet machine market 20152019 waterjet machines provide an efficient method of producing intricate components of machines with relative ease and precision. Abrasive water jet machining awjm is non traditional or nonconventional machining process. Abrasive waterjet cutting powerpoint ppt presentation. In awjm, abrasive particles like sand sio2, glass beads are added to the water jet to enhance its cutting ability by many folds.
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