Need Help!- Will these motors work with any hobby controller board?

[stabbs]

I am building my first jgro project (i'll have pics up real soon). My wife was able to get me 3 of these motors from an old Kongsberg cutting table from her job. Can I connect these motors to any board, such as the xylotex?

It also looks like there are power connections on the motors. Any ideas on how to hook these up?

[vlmarshall]

It looks like a DC motor with a 500 count-per-revolution encoder on the shaft, Xylotex wont run it.

Still, it's not a motor I'd throw away, it'd go into a parts box here.

[irving2008]

Definitely a servo motor not a stepper

i-cut tools list them with an encoder at $967! They are Pittmann Lo-COG Series 14000 motors rated at 0.35Nm continuous... Data sheet

Probably of little use to your project, but worth keeping for future... or ebaying...

[stabbs]

Thanks for the quick responses! I am a total newbie with the electronics-

What controller board & accessories would I need to use these motors? I am curious about the cost difference between purchasing a controller board for these motors vs. purchasing a hobby kit with steppers.

Probably of little use to your project, but worth keeping for future... or ebaying...

why do you say this?

[irving2008]

Well I'm not a servo expert but I think these are may be underpowered for the job. As I understand it the JGRO router needs steppers around 1.8Nm of torque and these servo motors will need to be geared to achieve that. Also servo drives are much more complex than stepper drives to tune and get working.

But dont take my word for it... hopefully someone like Mr Gecko himself will be able to give you more info...

[ger21]

A Gecko G320 should be able to drive those.

[stabbs]

Unless my wife can find gearboxes at work, it looks like it will be more economical to get a stepper motor setup to run my cnc.

I'm still curious about a few things:

Ger21- do you need a G320 for each motor? Do the drives connect to a computer, or would I need a separate controller board?

It also seems that servo motors are used for heavier gantries or to achieve faster speeds- is this because they are geared?

[ger21]

Yes, one G320 per motor, typically connected to a breakout board, which then connects to the PC. The reason servos are used on larger and faster machines, is because you can get servos that are more powerful than steppers.