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how to transform 600mA into 517mA? Answered

I disassembled 3 printers and took the stepper motors for a cnc. two of them are equal, but the other is from a different brand. the two equals need 600mA and the different need 517mA. I thougt using a 600mA transformer and rectify to 517mA. how can I do it?
in case you need, all the motors run on 24vdc.

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steveastrouk
steveastrouk

Best Answer 8 years ago

You don't. The motor draws what it needs. It happens, that on 24V, two motors draw 600mA, and one draws 517mA. It doesn't "Need" 517mA.

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tgferreira184
tgferreira184

Answer 8 years ago

can I use both on 500mA?

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steveastrouk
steveastrouk

8 years ago

No, because one's going to draw 600mA, on a 24V supply.

If you ran the 600mA units on 24 *500/600 = 20V, then they will draw 500mA, the other motor would then draw 430mA

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mpilchfamily
mpilchfamily

8 years ago

That's not how amperage works. Items only draw what they need. Any amperage rating you see on a transformer or power supply is the max amperage that power supply is able to offer. If your item draws more then that amperage it will damage the power supply.

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steveastrouk
steveastrouk

Answer 8 years ago

...and if it draws less, it doesn't matter....