Re: [CAD_CAM_EDM_DRO] Camtronics and Sanyo-Denki Review

Chris,

BIG STEPPERS! I'll leave most of your questions to Mike, but I would
like to ask what software you are using. As you probably know, you need
to "ramp up" the motors to speed. You have BIG motors and a lot of
INERTIA. You might try to simply move between points "A" and "B" (some
good distance apart), and determine if you can consistently reach them.
This might indicate whether you are loosing steps or not. There will
also be backlash, so approach each point from the same direction as this
becomes obvious. You can then run a slow speeds, then higher speeds
until you see losses. Back off a percentage of this rate (75%?), and
you have a good indication of the rate limit for your moves.

Hope this helps a little.

Alan


salterc@... wrote:

>
> Hello Mike,
>
> Maybe you can help me out a little bit..
>
> I have just purchase a Camtronics 5 amp kit from Dan along with 3 475
> oz-in. steppers.
> I have the controller assembled and running, the problem I am having is the
> motors seem to jump around a bit or sound like they are
> moving but really are not.. I have played with the software setting a good
> bit(maybe that's the problem)..
>
> I am not sure exactly of what setting to use in the software as far as
> speed and travel, if this is the problem..
>
> My steps per inch will be .0005 or 2000 steps per inch. I have tried a
> couple of programs and I just cant seem to get it right.
>
> This is my first CNC project so I am learning alot..
> I do not know where to start looking for the problem,,, should I try
> another cable, is the problem caused by to many steps per sec.
> or to few...
>
> I will take any help at all, and like I said this is new to me so please
> make it simple.
>
> Thanks
> Chris