How can I use a stepper motor that has no markings on it? (voltage, amps, rotation degrees) Just model numbers
I pulled 2 stepper motors out of a old printer. They look the same but there are no markings on them. Only one red and 3 white wires. I don't have them with me this week, but how could I test them over the weekend?
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It is an old thread, but as I'm sure there are plenty of EM-462/3 units dusting on the shelves, I will post some info.
The measures are:
EM-462 Bipolar Stepper
Coil resistance: 9.2 Ohms
Coil wire diameter: 0.28 +/- 0.02 mm
EM-463 Bipolar Stepper
Coil resistance: 6.1 Ohms
Coil wire diameter: 0.28 +/- 0.02 mm
Using alexander.m's prescription (scroll to find the post), and using 0.26 mm as the reference diameter, one have 0.26 mm = 0.010 in, multiplied by 100 will give exactly 1.0 A as the current rating.
As soon as I drive them, I will post some results.
The measures are:
EM-462 Bipolar Stepper
Coil resistance: 9.2 Ohms
Coil wire diameter: 0.28 +/- 0.02 mm
EM-463 Bipolar Stepper
Coil resistance: 6.1 Ohms
Coil wire diameter: 0.28 +/- 0.02 mm
Using alexander.m's prescription (scroll to find the post), and using 0.26 mm as the reference diameter, one have 0.26 mm = 0.010 in, multiplied by 100 will give exactly 1.0 A as the current rating.
As soon as I drive them, I will post some results.
Nov 7, 2011. 7:27 AMpiratus
says:
nice !! can you help me with his ; i wanna make them run with pic 16f84 , can you help me with this ?! thanks !!!!
Mar 17, 2009. 1:44 AMtiar
says:
wiring diagram and driver motor for atmega 8535, please your send to my email?????
Mar 17, 2009. 1:41 AMtiar
says:
mau tanya untuk diagram wiring ke atmega 8535 dan skalian driver motornya ada ndak? klo ada tolong kirim ke email saya ya tolooooong banget.
Feb 4, 2009. 7:00 PMalexander.m
says:
First you need to know how to weir it, for instruction on that go to http://www.piclist.com/techref/io/stepper/wires.htm
To find the rated amperage you would need to take it apart then use a micrometer or Caliper to find the coil weir diameter (note: a ruler is not accurate enough) once you have the weir diameter change the measurement to inches in Decimal Value then multiply it by 100 then you have the amp rating. To find the voltage you need a ohm meter to find the ohm value then multiply ohms by the amps to find the volts rating. to find the rotation degrees then you need a controller to test this.
To find the rated amperage you would need to take it apart then use a micrometer or Caliper to find the coil weir diameter (note: a ruler is not accurate enough) once you have the weir diameter change the measurement to inches in Decimal Value then multiply it by 100 then you have the amp rating. To find the voltage you need a ohm meter to find the ohm value then multiply ohms by the amps to find the volts rating. to find the rotation degrees then you need a controller to test this.
I should have payed more attention to the steeper motors when I took them out.
The info on them in is the picture.
I cant find much info on line for the EM-463, but for the EM-462 all I have found out was that it is a Stepper motor for Epson 4-Wire Two 9-Ohm Coils on ribbon cable
The info on them in is the picture.
I cant find much info on line for the EM-463, but for the EM-462 all I have found out was that it is a Stepper motor for Epson 4-Wire Two 9-Ohm Coils on ribbon cable
Thanks for the info. I look more at the stepper motors this weekend and see what I can find. From what I remember there was a metal mounting plate spot welded over where the stepper motor info would go.
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