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Current position:Home > News Linear motor in CNC machine tools

Linear motor in CNC machine tools

time:2017-9-11  click:3502

  Now, high-speed high-speed high-precision linear drive has become a new trend in the development of servo systems, especially in the field of CNC machine tools, CNC machine tools as the main drive components, linear motor performance determines the speed and accuracy of CNC machine tools. This article mainly describes the performance of linear motor in CNC machine tool drive.
  1. The stability of the linear motor in the CNC machine is good, which means that the system can reach the new or return to the original balance after a brief adjustment process under given input or external disturbance.
  2. Requirements of the linear motor input position of high precision: as precision machining CNC machine tools, the required positioning accuracy or contour machining accuracy requirements are relatively high, the allowable error is generally 0.01-0.001mm. Static on the positioning accuracy and repeat positioning Accuracy is high. Dynamic requirements to follow the high precision, but also requires high sensitivity, there is sufficient resolution.
  3. Linear motor fast response, the requirements of the tracking signal to respond quickly, on the one hand requires a short transition time, on the other hand, in order to meet the overshoot requirements, requiring the transition process front steep, that is, the rate of increase.
  4. Linear motor can be reversible operation and frequent flexible start, that is, linear motor can do reciprocating linear motion
  5. Linear motor drive system reliability is high, easy maintenance, low cost.
  6. Linear motor speed range is wide and have good stability, the output speed fluctuations, especially in the low speed of the stability is particularly important.
  7. When the load changes, the output speed is basically unchanged, when the load mutation, the speed of the recovery time is short and no vibration.
  With the wool linear motor with European and American technical standards and production processes, the motor structure is simple, small size, strong force characteristics, easy to control, compatible with multi-brand motion controller and drive. For more inion about our linear motors, please
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