Working principle of water jet machining pdf

Usually, the water is pressurized to 200 to 400 mpa. It involves the use of high velocity water jet to smoothly cut a soft work piece. Hydraulic pump intensifier accumulator high pressure tubing jet cutting nozzle catcher 6. Let us see in details about the process and then different components its advantages. Pure water jet is used to machine softer materials. Current work on awj nozzles is on micro abrasive waterjet so cutting with jets. View notes awjm from me 688 at haldia institute of technology.

Working of water jet machining wjm water from the reservoir is pumped to the intensifier using a hydraulic pump. Awjm combines abrasive jet machining with water jet machining wjm to create. Technology description waterjet cutting kmt waterjet cutting. One of the principle deficiencies of the abrasive water jet awj cutting process is wavy striations on the generated cut surface in relatively thick workpieces.

When the water stream strikes a work piece surface, the erosive force of water removes the. So, in brief this is the working principle of this particular process. Abrasive water jet machining awjm is an advanced machining process and has a potential to cut a wide range of engineering materials. The principles of abrasive water jet cutting are similar to pure water jet cutting, but once the stream has passed through the orifice it enters a carbide nozzle. Waterjet weaving machines are not used as frequently as air jets, but they are preferred for some types of fabrics. Pdf use of water jet has been in existence for over twenty years, but it is yet to reach its. Principle of water jet machine this process works on the basic principle of water erosion. Design and fabrication of water jet machining ijrte. In this process, a highspeed wellconcentrated water jet is used to cut the metal.

Principle the water jet machining involves directing a high pressure. It uses the kinetic energy of water particle to erode metal at the contact surface. Water from the reservoir is pumped to the intensifier using a hydraulic pump. Waterjet weaving machine water jet loom working principle of water jet loom waterjet weaving machines were first developed in czechoslovakia in the 1950s and subsequently refined by the japanese in the1960s. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. Headwaterjet specializes in providing various water jet cutting machines and relative accessories, including head, pump, software and so on. The abrasive water jet machining technique is especially suited for hard materials like tungsten carbide, titanium carbide and ceramics. Water jet machining wjm also called water jet cutting, is a nontraditional machining process in which highvelocity jet of water is used to. Abrasive water jet machining awjm working principle elements of awjm system parametric analysis of awjm visualization and. Within this nozzle is a mixing chamber within which a partial vacuum is created as the water passes through. A water jet cutter, also known as a water jet or waterjet, is an industrial tool capable of cutting a. Water jet machining an overview sciencedirect topics. Pdf principles of abrasive water jet machining researchgate. It uses water jet working as a tool to cut the metal.

If the work material is brittle it will fracture, if it is ductile, it will cut well. It is same as abrasive jet machining except working medium is water. The principle of waterjet and abrasive water cutting. It renders the pressurized water as a water jet at high velocity.

Water jet machining wjm is the removal of material from a work. When a highvelocity jet of water strikes the surface, the removal of material takes place. Introduction to abrasive water jet machining request pdf. In this machining process a high speed steam of water jet impinge on the work piece which removes metal from contact surface by erosion.

Many of the difficult to work materials may be machined by abrasive water jet machining. The intensifier increases the pressure of the water to the required level. The water jet washes away the materials that erodes from the. Water jet machining working principle, advantages and. All waterjets follow the same principle of using high pressure water focused into a beam. But to cut harder materials, some abrasive particles mixed with the water for machining and it is called as awjm abrasive water jet machining. On this channel you can get education and knowledge for general issues and topics.