CAD CAM EDM DRO - Yahoo Group Archive

Re: cheap high speed servo control

Posted by mariss92705
on 2002-08-13 10:22:45 UTC
A 100 line encoder would give you 400 steps per revolution and a
maximum speed of 37,500 RPM (with a suitable motor).

Mariss

--- In CAD_CAM_EDM_DRO@y..., "Graham Stabler" <eexgs@n...> wrote:
> I am currently designing a coil winding machine for small hot air
bonded
> bobbinless coils, one thing I would like is a servo motor as the
spindle
> to allow good speed control as well as angular control at the start
of
> winding. i.e. I want to be able to drive it quickly (up to
3000rpm) and
> then use it more like a stepper motor during wire attachment etc.
>
> The gecko drive units look good but would I be correct in assuming
that
> the servo could not be run at speeds as high as 3000rpm? The max
step
> rate is 250khz so I suppose it depends on the encoder.
>
> Are there any other fairly cheap drivers that might allow me to
drive
> the motor both at high speed and in step mode? I will probably run
the
> machine from a microprocessor which will be given winding constants
(no.
> of turns etc) via a pc link.
>
> Sorry if this is as clear as mud.
>
> Graham Stabler

Discussion Thread

Graham Stabler 2002-08-13 03:18:33 UTC cheap high speed servo control Jason Cox 2002-08-13 05:41:12 UTC Re: [CAD_CAM_EDM_DRO] cheap high speed servo control JJ 2002-08-13 06:43:23 UTC RE: [CAD_CAM_EDM_DRO] cheap high speed servo control Jon Elson 2002-08-13 07:58:30 UTC Re: [CAD_CAM_EDM_DRO] cheap high speed servo control mariss92705 2002-08-13 10:22:45 UTC Re: cheap high speed servo control Graham Stabler 2002-08-13 12:29:51 UTC Re: cheap high speed servo control JJ 2002-08-19 09:04:01 UTC RE: [CAD_CAM_EDM_DRO] cheap high speed servo control eexgs 2002-08-20 02:32:44 UTC Re: cheap high speed servo control