Re: These servo motors worth a darn?

I've been looking at building the DRO using Digital Research mylar strips,
with an eye towards later on adding either steppers or servos. Am I
heading down the wrong route?

Marshall Pharoah
Software Engineer
Adirondac Software
PIC/6805/6811/68000
Asm/C/C++

-----Original Message-----
From: Jon Anderson <janders@...>
To: CAD_CAM_EDM_DRO@onelist.com <CAD_CAM_EDM_DRO@onelist.com>
Date: Wednesday, October 20, 1999 11:30 AM
Subject: Re: [CAD_CAM_EDM_DRO] These servo motors worth a darn?

>From: Jon Anderson <janders@...>
>
>stratton@... wrote:
>
>> Well it should be possible to somehow design a servo system that
>> would look at two encoders, one on the screw (or a linear) and
>> one on the motor.
>
>Chris,
>
>I know there are boards available that can track both inputs, but I'm
>working at the low end with scrounged stuff.
>The motors I have, should they even prove up to the task, have encoders
>that don't have the resolution I want. I've been looking around for
>encoders, and it seems they all would be easier to mount to a plate and
>couple to the screw. Attaching them directly to the motors would be more
>work.
>
>Jon
>
>>Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the

discussion of shop built systems in the above catagories.

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>