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Total Solution for welding and cutting machines

Total Solution for welding and cutting machines 




ESTUN digital AC servo system includes EDB series, EDC series and ProNet series and it has been applied in many industrial control fields successfully. Meanwhile, it is equipped with FlexPac, FlexCon and other intelligent controllers. With the help of ESTUN exclusive HMI products, we can provide multiple complete solutions for you.

ESTUN AC servo system is applied to various welding and cutting equipment such as flame cutter, plasma cutter, laser cutter, hydro-jet cutter, intersecting-curve cutting equipment and pipeline welding equipment. ESTUN AC servo drive has advanced digital signal processor DSP, active-disturbance-rejection control and speed observation control algorithms. It can truly realize fast response, high precision, rapid speed and high reliability of servo with the help of feed forward control of compensation servo delay and instruction smoothing technology; automatic inertia identification facilitates the adjustment. As profession motor design software and electromagnetic field simulation software of American ANSOFT Company are applied, new series of AC servo motor has very small cogging torque ripple and more precise motor positioning and better low-speed performance. Temperature rise of motor has dropped about20℃.

Drive has high responsiveness and maximum high-frequency response can be 800Hz. Acceleration of motor at rated torque only takes 12ms.

Built-in notch filter of the driver can identify resonance frequency automatically by use of FFT operation of ESView to reduce or get rid of mechanical resonance.


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