Woodworking machine stepper motor parameters method
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Stepping motor parameters in computer woodworking machines are related to the speed and accuracy of engraving machines. Under normal circumstances, the number of subdivisions of stepping drives is set. Generally, the higher the subdivision number, the higher the control resolution. However, if the number of subdivisions is too high, the maximum feed rate is affected. For the user of the mold machine, the pulse equivalent can be 0.001mm/P (the maximum feed rate is 9600mm/min at this time) or 0.0005mm/P (the maximum feed speed is 4800mm/min at this time); the accuracy requirement for the woodworking engraving machine is not For high users, the pulse equivalent can be set larger, such as 0.002mm/P (the maximum feedrate is 19200mm/min) or 0.005mm/P (the maximum feedrate is 48000mm/min). For two-phase stepper motors, the pulse equivalent calculation method is as follows: Pulse equivalent = screw pitch ÷ subdivision number ÷200. (China Cutting Machine Trading Network)
Setting of take-off speed: This parameter corresponds to the take-off frequency of stepping motor. The so-called take-off frequency is the maximum frequency at which the stepper motor can directly start work without acceleration. Reasonably selecting this parameter can improve the processing efficiency, and can avoid the low-speed section where the stepper motor has poor motion characteristics; however, if this parameter is selected large, it will cause boring cars, so it is necessary to leave a margin. In the factory parameters of the motor, the parameters of the take-off frequency are generally included. However, after the woodworking machine is assembled, the value may change and it will generally decrease, especially when carrying out load movements. Therefore, this setting parameter is preferably determined after reference motor factory parameters and actual measurement.
Only setting the relevant parameters of the computer wood engraving machine, and then follow the operation flow to produce, can not only better improve the processing efficiency, but also can greatly increase the service life of the engraving machine.
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