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Brushless motor driven computer engraving machine
by：Transon
2020-07-23
Computer engraving machine as a typical electromechanical integration products, widely used in advertising signs, sign, seal, the building model, the city inside and outside decoration, wood carving, etc.
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In the performance of the computer engraving machine, precision and speed of computer engraving machine, processing effect and processing efficiency, and the two indicators mainly depends on the computer engraving machine drive device and its control system.
computer engraving machine main driving element of stepper motor, dc motor and ac motor system. Stepper motor control is simple, but can only work in pulse interpolation method, and the stepper motor speed is low, limits the maximum speed of engraving machine; Ac and dc motor can work in pulse interpolation method and data sampling interpolation way, because the existence of the pictures in the dc motor, bring the problem of wear and edm, maintain more troublesome, cost is high, service life is short. Ac motor without changing photos, structure is simple, but not as good as dc motor speed control performance, and control the complex. At present domestic computer engraving machine driving element is given priority to with the stepping motors and dc motors, ac system applied in the initial stage, computer engraving machine part adopts ac motor, will need to be equipped with higher cost of frequency converter to achieve a good servo accuracy.
in recent years, brushless motor with its excellent performance and got more and more extensive attention and application. Brushless motor from control mechanism, is a type of ac motor. But its control performance and class in dc motor, so the brushless motor has both ac motor has simple structure, small inertia, reliable operation, convenient maintenance, and has advantages of dc motor speed control performance is good, clean and work without noise, long working life. The domestic market is already using brushless motor computer engraving machine, but mainly rely on overseas, and expensive.
computer engraving machine main driving element of stepper motor, dc motor and ac motor system. Stepper motor control is simple, but can only work in pulse interpolation method, and the stepper motor speed is low, limits the maximum speed of engraving machine; Ac and dc motor can work in pulse interpolation method and data sampling interpolation way, because the existence of the pictures in the dc motor, bring the problem of wear and edm, maintain more troublesome, cost is high, service life is short. Ac motor without changing photos, structure is simple, but not as good as dc motor speed control performance, and control the complex. At present domestic computer engraving machine driving element is given priority to with the stepping motors and dc motors, ac system applied in the initial stage, computer engraving machine part adopts ac motor, will need to be equipped with higher cost of frequency converter to achieve a good servo accuracy.
in recent years, brushless motor with its excellent performance and got more and more extensive attention and application. Brushless motor from control mechanism, is a type of ac motor. But its control performance and class in dc motor, so the brushless motor has both ac motor has simple structure, small inertia, reliable operation, convenient maintenance, and has advantages of dc motor speed control performance is good, clean and work without noise, long working life. The domestic market is already using brushless motor computer engraving machine, but mainly rely on overseas, and expensive.
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