| The Shop > Electronics & IC Programing |
| Checking stepper motors. |
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| waggle:
Hi guys, A few years ago I acquired a couple of smallish stepper motors. I am now having a bit of a clear-out and dont know wether to throw them out or not. I do not know if they work or not, and I dont even know how to test them. Is there a cheap (free) way of finding if they are worth keeping? Cheers Tony |
| Bluechip:
Depends what they are :scratch: Any part numbers? How many wires? Any Pics.? What are they out of ? If they have been ripped out of some obscure machine, it's possible they are not steppers but Brushless DC motors. BC |
| John Rudd:
If you have a multimeter (dvm) you could test the windings for equal resistance and you could hand crank the spindle and measure the voltage from the windings....Ultimately a stepper driver would be best.. |
| John Stevenson:
If they are identical wire them together colour to colour and spin one, the other should turn identically. John S. |
| David Jupp:
Mechanically you should be able to check for play / roughness in the bearings - just turn / wobble by hand. |
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