In what circumstances does the stepper motor lose?
The actual adjustment process encountered:1., motor torque is not enough, poor load capacity. Today, because the trachea is too hard, the elasticity is not good, deformation difficult, causing the motor can not drag.2., the speed curve is a problem, the stepper motor itself is working in the low speed, according to the different load, carefully adjust the acceleration and deceleration.3. the voltage is too low and the response is slow. Usually, under the premise of safety, the voltage is higher, it will be much less trouble.4. poor heat dissipation, resulting in a drop in magnetic force. When the refrigerator is cold, the test machine is normal. After running for a period of time, the problem of heat dissipation will be considered when the step is lost.
Turn off all the power, disconnect the machine tool to the controller, find the three lines, and find the power line of the 24V. Beat the multimeter to the resistance and line the three lines with the 24V line. Under normal conditions, there should be about 8.5 ohm resistance, and some motor resistance have size, in short, which line if the resistance is wrong with the other. That line may be a problem.If the results of the motor test are all correct, you should check the controller in the same way.If the result of the test is a motor problem, check the motor along the line you detected. If you are lucky, if the line is broken, you can take it. If you are not lucky, you have to change the motor.If it's a problem with the controller, you can go up the line you've been checking and you'll see. To solve the problem of losing step, we must first find out the reason for the missing step. There are many articles in this respect.
Generally, the motor is out of step and is missing one phase or two phases, that is, one of the lines is out of order (as for the motor or the controller is bad).Let the motor step execution, which is 0.1 per step to wire, every step of the hand to shake the motor, whether in the locked state. If the time which LED light and no motor in lock state on which lines have problems, you can check in connection with the line. Start with the machine tool (that is, the motor).
The meaning of "lost step"General motors are three-phase six beat, five phase, ten shot, these two. Have you noticed that the three-phase six controller has three LED, five phase, ten shot, five LED?. Three-phase: Motor three sets of winding, also three lines. Six beat: three LED, cycle two times before returning to the starting state. Three phase of the three LED lights, each flashing one, the stepper machine will also step into the 0.1 wire, rotating two times flashing, that is, 0.6 wire.
