Where to buy servo motors?

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24 Jul 2019 18:42 #140452 by Traktor1Tarzan
Im not sure where to ask this, but i got no clue where to buy servo motors, and googling it just gives me sites, made for companies. So i have to get a quote. Which is very tidious, i was thinking about buying from aliexpress, but i dont know about the quality nor service.

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24 Jul 2019 18:48 #140453 by bevins
Replied by bevins on topic Where to buy servo motors?

Traktor1Tarzan wrote: Im not sure where to ask this, but i got no clue where to buy servo motors, and googling it just gives me sites, made for companies. So i have to get a quote. Which is very tidious, i was thinking about buying from aliexpress, but i dont know about the quality nor service.



I have built a few machines with these drives and servos. Does have step and direction interface plus velocity and torque control mode. I use velocity with 7i77 mesa cards, and I break the loop so loop is closed with linuxcnc.

Aliexpress ac servo's
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24 Jul 2019 19:08 #140457 by Traktor1Tarzan
And theyre decent too? Was thinkin about saving up for something around 1kw-2.3kw.

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24 Jul 2019 19:21 #140461 by bevins
Replied by bevins on topic Where to buy servo motors?

Traktor1Tarzan wrote: And theyre decent too? Was thinkin about saving up for something around 1kw-2.3kw.


Never had a problem with them ever.

They are a bit of a bitch to get tuned but once tuned they just purr....
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29 Dec 2019 17:57 #153469 by jeffie-3
Replied by jeffie-3 on topic Where to buy servo motors?
AC vs DC servos. Why pick one over the other?

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29 Dec 2019 23:15 #153526 by bevins
Replied by bevins on topic Where to buy servo motors?

jeffie-3 wrote: AC vs DC servos. Why pick one over the other?


I prefer AC Servos.

Aliexpress 750 watt AC servo's

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30 Dec 2019 00:03 #153532 by tommylight
+1 for AC servo.
Just checked the shipping for those drives, 600$ to Kosovo !
3 drives = 340 Euro
shipping = 500 Euro
And customs and tax another 40%.
I really need to move to another state.....or continent ! :)

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30 Dec 2019 15:29 #153552 by jeffie-3
Replied by jeffie-3 on topic Where to buy servo motors?
AC servos better? Speed, Torque, easier to work with?
I am working through a CNC mill setup with DC serovs. I am hoping to build another mill when I get done with this one. So Am wondering if AC or DC servos are better.

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07 Jan 2020 22:30 #154270 by andypugh
Replied by andypugh on topic Where to buy servo motors?
If you have DC servos then they are fine.
The only real advantage of AC servos is that there are no brushes to wear out.

But, mosrt DC servos are old now, and magnetic materials have improved a lot. So it isn't that AC are inherently better, it is mainly that AC servos are a lot newer.
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09 Jan 2020 12:07 #154430 by BigJohnT
Replied by BigJohnT on topic Where to buy servo motors?
Those are pretty cost effective to the US $157 + $71 shipping, dunno if any import duties or not.

JT

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