CNC engraving machine is mainly composed of machine tool, spindle, gantry, control system, transmission system and so on. CNC engraving machine spindle motor is also divided into precision machining spindle and high-power cutting spindle. 1. CNC engraving machine fine machining spindle is characterized by low noise, high speed, high height, suitable for processing special fine workpieces, such as seals, nameplates, badge gifts, etc. Dongguan computer gong processing | Dongguan Mechanical parts processing | Dongguan precision computer gong processing | Dongguan high-speed computer gong processing | this kind of CNC engraving machine spindle motor is usually high-speed frequency conversion motor, the power is lower than 250W. The disadvantage is that the ability to cut thick materials is poor, not suitable for cutting thick materials. 2. CNC engraving machine high-power cutting spindle, mainly used for cutting, high-power engraving, is characterized by high power, strong cutting ability, especially suitable for cutting Yu, three-dimensional characters, of course, can also make chest plates, nameplates, seals, etc. Dongguan computer gong processing, Dongguan Mechanical parts processing, Dongguan precision computer gong processing, Dongguan high speed computer gong processing, this kind of CNC engraving machine high-power spindle can be generally divided into brushless frequency high-speed AC motor and brush AC machine according to the characteristics of the motor. The main differences are: a. the speed of brushless variable frequency motor is high, the speed range is 70060000 rpm, and the maximum speed of general brush AC motor is not more than 24000 rpm. B. The brushless variable frequency motor has the advantages of high rotation accuracy, low wear and low noise. The noise is much lower than that of the brush AC motor. C. Due to the special current limiting circuit on the frequency converter, the motor will not be burned after a short period of time due to the special current limiting circuit on the frequency converter. However, the brush AC machine will quickly smoke and burn out when it is overloaded or locked in the process of computer gong processing, and it can not be repaired. D. The brushless variable frequency motor adopts frequency conversion control technology for speed regulation, which is a professional product. Dongguan computer gong processing, Dongguan Mechanical parts processing, Dongguan precision computer gong processing, Dongguan high-speed computer gong processing, has a long service life. The CNC engraving machine manufacturer provides one year free replacement. In the future, the motor can be maintained by replacing the high-speed bearing, while the brush AC motor has a long service life due to the use of electric documents It takes about 300 hours to replace the motor or motor carbon brush, so the carbon brush AC motor is usually not guaranteed for a day.
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