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NEW HIGH-POWER LASER PACKAGES FOR HIGH PERFORMANCE MACHINE TOOLS
GE Fanuc has expanded its range of CO2 laser sources designed for high performance laser cutting or welding machine tools by introducing two new high power models. The two new sources are supplied as an integrated package together with high reliability GE Fanuc CNC and servo motors to optimise the machine performance. The latest GE Fanuc C5000-E and C6000-E carbon dioxide laser sources are of 5kW and 6kW power. High beam quality allows the 5 kW model to cut thin material with extremely high speed and thick material with high quality surface finishes. With optimised beam quality, the 6 kW model covers a wide range of applications, such as stable cutting of 32 mm mild steel. The latest models complement the existing C1000-E, C2000-E and C4000-E models of 1kW, 2kW and 4kW power respectively. All models feature the latest radio frequency excitation technology. The full range of GE Fanuc lasers are offered as laser-package solutions. Laser source, CNC and servomotors are integrated and interfaced as a complete system to optimise the machine performance, offering high speed and high accuracy. All necessary laser control and diagnostics are integrated into the CNC. Historical data for maintenance purposes is logged and can be accessed via the CNC screen. The laser source communicates with the CNC via an optical bus. No additional controller is required, and no further work is required by the machine manufacturer to link the laser and CNC. The package solution ensures quick, faultless start-ups of laser machines. All laser control screens are available on the CNC. Direct control of the laser source by the CNC allows simplified handling for operation and maintenance purposes. Control of laser and machine are always synchronised as this is carried out by only one processor. When used with linear motors, extremely high speed cutting can be achieved. At the same time, all the usual features of the CNC can be used by the machine tool. The package solution enables the integration of many useful laser processing functions. These include diagnostic functions, processing parameter controls, and other special functions for efficient processing. At a sharp corner the power and feed-rate are carefully controlled to optimise machining: thermal loading is controlled when cutting thin material: the gap between the cutting nozzle and the workpiece surface is kept constant: different beam properties can be compensated for on all axes: and the GE Fanuc laser package can simultaneously control up to 6 axes to enable highly efficient 3-D machining. There is also an Open CNC option enabling the connection of a PC via a serial high-speed optical fibre link, enabling the two-way transfer of large volumes of data. This enables MTBs to customise machines to suit individual customer demands.
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