Re: What type of motor is suitable for a plotter type device?
- From: Tim Wescott <tim@xxxxxxxxxxxxxxxx>
- Date: Mon, 29 Oct 2007 14:31:46 -0700
MRW wrote:
Hello! :-) It's been a while.Steppers are easy to use, and hard to optimize. If you keep them easy they'll be big and power hungry.
I got the idea of hacking an old inkjet color printer and turning it
into a flat bed. I can probably recycle the motors already in the
device, but let say that I just want to use the printer head and
completely rebuild the rest of the system.
What would be a suitable motor (e.g. stepper) to control the movement
of the printhead?
I was thinking of giving it an x,y,and z movement instead of just a 1-
dimensional movement.
DC motors are harder to use and easier to optimize (IMHO). You'll need position feedback, and when you're done you'll know a bunch of interesting control theory. They'll be smaller and less power hungry than unoptimized steppers -- but getting them working initially will be more difficult.
--
Tim Wescott
Wescott Design Services
http://www.wescottdesign.com
Do you need to implement control loops in software?
"Applied Control Theory for Embedded Systems" gives you just what it says.
See details at http://www.wescottdesign.com/actfes/actfes.html
.
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