05-04-2017, 01:39 PM
Need full seminar report on water jet cutting
Please provide me
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water jet cutting seminar report download
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Need full seminar report on water jet cutting
Please provide me
15-04-2017, 12:00 PM
A water jet cutter, also known as a water jet or water jet, is an industrial tool capable of cutting a wide variety of materials using a high pressure water jet or a mixture of water and an abrasive substance. The term "abrasive blasting" refers specifically to the use of a water-abrasive blend to cut hard materials such as metal or granite, whereas the terms "pure water jet" and "water jet" refer to waterjet cutting without the use of Abrasives added, softer materials such as wood or rubber. Waterjet cutting is often used during the manufacture of machine parts. It is the preferred method when the materials that are cut are sensitive to the high temperatures generated by other methods. Waterjet cutting is used in a variety of industries, including mining and aerospace, for cutting, forming and reaming.
While using high pressure water for erosion dates back to the mid 1800s with hydraulic mining, it was not until the 1930s that the narrow water jets began to appear as an industrial cutting device. In 1933, the Paper Patent Company in Wisconsin developed a paper measuring, cutting and winding machine that used a diagonally moving water jet nozzle to cut a horizontal sheet of continuous paper. These early applications were at low pressure and restricted to soft materials such as paper.
Waterjet technology evolved in the postwar era as researchers around the world sought new methods of efficient cutting systems. In 1956, Carl Johnson of Durox International in Luxembourg developed a method for cutting plastic shapes using a high pressure high pressure water jet, but these materials, such as paper, were soft materials. In 1958, Billie Schwacha of the North American aviation developed a system that used ultra-high pressure liquid to cut hard materials. This system used a 100,000 psi (690 MPa) pump to supply a hypersonic liquid jet that could cut high strength alloys such as PH15-7-MO stainless steel. Used as a honeycomb laminate on the North American XB-70 Valkyrie Mach 3, this cutting method resulted in high speed delamination, requiring changes in the manufacturing process.
Although not effective for the XB-70 project, the concept was valid and research was continued to develop waterjet cutting. In 1962, Philip Rice of Union Carbide explored the use of a pulsating water jet of up to 50,000 psi (340 MPa) to cut metals, stones and other materials. Research by S.J. Leach and GL Walker, in the mid-1960s, expanded with the traditional carbon waterjet cutting to determine the ideal shape of the jet nozzle for high-pressure waterjet and Norman Franz at the end of the years Sixty focused on the waterjet cutting of soft materials by dissolving long chain polymers in the The desire to improve the durability of the jet nozzle led Ray Chadwick, Michael Kurko and Joseph Corriveau of the Bendix Corporation to devise the use Of the corundum crystal to improve the cohesion of the jet stream. They form a water jet orifice, while Norman Franz expanded on this and created a water jet nozzle with a hole as small as 0.002 inches (0.051 mm) that operated at pressures up to 70,000 psi (480 MPa). John Olsen, along with George Hurlburt and Louis Kapcsandy at Flow Research (later Flow Industries), further enhanced the commercial potential of the water jet by proving that treatment of water beforehand could increase the life of the nozzle.
While using high pressure water for erosion dates back to the mid 1800s with hydraulic mining, it was not until the 1930s that the narrow water jets began to appear as an industrial cutting device. In 1933, the Paper Patent Company in Wisconsin developed a paper measuring, cutting and winding machine that used a diagonally moving water jet nozzle to cut a horizontal sheet of continuous paper. These early applications were at low pressure and restricted to soft materials such as paper.
Waterjet technology evolved in the postwar era as researchers around the world sought new methods of efficient cutting systems. In 1956, Carl Johnson of Durox International in Luxembourg developed a method for cutting plastic shapes using a high pressure high pressure water jet, but these materials, such as paper, were soft materials. In 1958, Billie Schwacha of the North American aviation developed a system that used ultra-high pressure liquid to cut hard materials. This system used a 100,000 psi (690 MPa) pump to supply a hypersonic liquid jet that could cut high strength alloys such as PH15-7-MO stainless steel. Used as a honeycomb laminate on the North American XB-70 Valkyrie Mach 3, this cutting method resulted in high speed delamination, requiring changes in the manufacturing process.
Although not effective for the XB-70 project, the concept was valid and research was continued to develop waterjet cutting. In 1962, Philip Rice of Union Carbide explored the use of a pulsating water jet of up to 50,000 psi (340 MPa) to cut metals, stones and other materials. Research by S.J. Leach and GL Walker, in the mid-1960s, expanded with the traditional carbon waterjet cutting to determine the ideal shape of the jet nozzle for high-pressure waterjet and Norman Franz at the end of the years Sixty focused on the waterjet cutting of soft materials by dissolving long chain polymers in the The desire to improve the durability of the jet nozzle led Ray Chadwick, Michael Kurko and Joseph Corriveau of the Bendix Corporation to devise the use Of the corundum crystal to improve the cohesion of the jet stream. They form a water jet orifice, while Norman Franz expanded on this and created a water jet nozzle with a hole as small as 0.002 inches (0.051 mm) that operated at pressures up to 70,000 psi (480 MPa). John Olsen, along with George Hurlburt and Louis Kapcsandy at Flow Research (later Flow Industries), further enhanced the commercial potential of the water jet by proving that treatment of water beforehand could increase the life of the nozzle.
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