plz send atleat 15-20pages of material on waterjet cutting



gopichand ....etc

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Cutting tool (machining)
In the context of machining, a cutting tool (or cutter) is any tool that is used to remove material from the workpiece by means of shear deformation. Cutting may be accomplished by single-point or multipoint tools. Single-point tools are used in turning, shaping, plaining and similar operations, and remove material by means of one cutting edge. Milling and drilling tools are often multipoint tools. Grinding tools are also multipoint tools. Each grain of abrasive functions as a microscopic single-point cutting e ....etc

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Mechanical cutting of visco-elastic polymers is experimentally investigated using sharp knives. The knife is aligned orthogonally to the substrate's surface, and is forced into the substrate. Two cutting scenarios are investigated i) plunge cutting, where the knife edge moves directly into the substrate, and ii) slicing, where the knife shears tangentially as it moves into the substrate. For slicing fracture lines emanating from the cut are observed, and the threshold forces for cutting are considerably smaller, indicating that the two cutting ....etc

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DIAMOND CUTTING TOOL AND COATINGS



Diamond is the hardest material known to man kind. When used on tools, diamond grinds away material on micro (Nano) level. Diamond is the hardest substance known and is given a value of 10 in the Mohs hardness scale, devised by the German mineralogist Friedrich Mohs to indicate relative hardness of substances on a rating scale from 1 to 10. Its hardness varies in every diamond with the crystallographic direction. Moreover, hardness on the same face or surface varies with the direction of the cut.

Di ....etc

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Introduction
Waterjet Cutting (WJC) is a non-traditional method in which a high velocity jet is used to machine a material. Often it is assisted by abrasives and & is known as Abrasive. Waterjet Cutting (AWJC). The process offers a wide range of advantages. It is omni-directional and enables fully automated 3-D cutting and has unlimited creative potential. The resulting kerf width is small and hence improved yield. Forces involved are minimum and non-crushed edges even on very soft materials. Work hardening is eliminat ....etc

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i need embedded systems interview questions and answers for interview. Please help friends ....etc

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Water Jet cutting services make use of a super high pressure stream of water that carries an abrasive grit. This abrasive mixes with the water through a venturi effect in what is commonly called the ?focusing tube? just prior to cutting. This mixture of water and abrasive grit exit the focusing tube at speeds of approximately mach 2.5. Cutting pressures range between 45,000 to 60,000 psi for standard cutting models. For brittle, fragile, or delicate materials, piercing pressures range between 15,000 to 20,000 psi, and resume the higher cutting ....etc

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need seminar report and ppt about diamond cutting tool and coatings ....etc

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need a seminar report and ppt about diamond cutting tool and coatings ....etc

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Diamond is the hardest material known to man kind. When used on tools, diamond grinds away material on micro (Nano) level. Diamond is the hardest substance known and is given a value of 10 in the Mohs hardness scale, devised by the German mineralogist Friedrich Mohs to indicate relative hardness of substances on a rating scale from 1 to 10. Its hardness varies in every diamond with the crystallographic direction. Moreover, hardness on the same face or surface varies with the direction of the cut.

Diamond crystallizes in different forms. E ....etc

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