I see, very strange use for a stepper. John
----- Original Message ----
From: John Kasunich <[EMAIL PROTECTED]>
To: Enhanced Machine Controller (EMC) <[email protected]>
Sent: Thursday, July 17, 2008 8:11:52 PM
Subject: Re: [Emc-users] stepgen velocity mode - was independent stepper driver
John Lichter wrote:
> It looks to me like Ian and John are talking about two different things.
> A stepping motor is usually used to drive an axis. On these types of
machines
> an axis has limits. An axis such as x,y, or z can not be programed to
> free run. I my opinion if you want to free run a stepping motor then try
> using a micro controler to feed step and direction signals into the
stepping
> motor driver.
No, we are not talking about two different things. In the first post of
this thread, Ian explained that he wants to use a stepper motor for the
spindle of a lathe.
EMC is modular, and its step generator can easily be used independently
to "free run" a stepper. No micro controller is needed.
Regards,
John Kasunich
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