Wednesday, July 15, 2015

Composition and advantages of CNC Waterjet Cutting Machine

A CNC water jet cutting machine consists of three parts: ultra high pressure water jet generator (high pressure pump), CNC machining platform, jet cutting head.

1, Ultra high pressure water jet generator (high pressure pump)

As the waterjet power source, the current common is the hydraulic motor driving the supercharger to produce ultra-high pressure water jet technology solutions. Ordinary tap water pressure increases to several tens to hundreds of MPa (1MPa approximately equal to 10bar), through the waterjet nozzle injection, with a very high kinetic energy.

2, Jet cutting head

High-pressure pump only through the beam nozzle to achieve cutting function. Nozzle aperture size determines the pressure and flow. Meanwhile, the nozzle also has shaped effect. Jet cutting head has two basic forms: one is the completion of pure water cutting, one is the completion of abrasive cutting. Abrasive cutting head, it is based on pure water cutting head, with an abrasive mixing chamber and hard nozzle configuration.

3, CNC machining platform

Currently, CNC waterjet mainly cutting flat plate. Cutting platform choose the rolling linear guide and ball screw as transmission, under the precise control of the NC program and control motor precise X-axis and Y-axis two-axis motion or alone motion, driving the cutting head to achieve a straight line and arbitrary curves cutting.

Waterjet cutting machine advantages:

1, Versatility, almost all materials can be cut.

2, Waterjet is a cold cutting, does not produce thermal effects when cutting, no distortion, no adhering slag, no erosion, will not change the physical and chemical properties of the material.

3, Small cutting slit, with the cooling cutting characteristics, can improve material utilization.

4, Cutting medium only water and natural abrasive, cutting process does not produce other substances, it is clean and green cutting process.

5, After cutting, the cutting surface is smooth and tidy, will not damage the cutting object during the cutting process, can realize cutting operation that many cutting tools can not be achieved.

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