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Tuesday, December 9, 2008

Water jet cutting

Waterjet cutting Machine
Water can cut metals. Sounds impossible, but is true. Water jet cutting is a process of cutting the sheets of metals with a high-pressure stream of water containing some abrasive particles. Water jet cutting can yield any 2D shape from metal sheets. It can cut any metal sheet between the thickness ranges of 0.001” to 4”.

Water jet cutting machine
CNC water jet cutting is the computer mediated water jet cutting process. In this, the user has to draw the design to which the metal sheet needs to be cut and the software for the CNC water jet cutting process follows it to cut the metal sheet to that particular shape. CNC water jet cutting is advantageous, as it does not release any heat during the cutting process that may distort the cut edges of the metal sheet. It cuts smooth edges and hence does not any further finishing, although deburring may be specified.The process also does not release any poisonous gas and is thus very safe.

Water jet cutting at the points that it produces the distorting heat while cutting the edges and also it wastes a lot of metal during the tearing process. Laser cutting can be a great alternative if you want to cut a thin metal sheet. Plasma cutting can be used, but due to the high temperature, there is a greater chance of heat distortion of the metal.

Water jet cutting can cut almost any material like steel, carbon, aluminum, metal alloys, brass, copper, magnesium, titanium, plywood, rubber, glass, wood, gasket material, laminates, foam, marble, fiberglass, etc. Because a robot rather than a human handles CNC water jet cutting, it is cheaper being somewhat free of human labor except for set-up. Plus, it has high accuracy and repeatability.

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