Re: [Emc-developers] Coordinated Gantry Homing by Linked Joints

[Peter C. Wallace]

On Tue, 20 Apr 2010, Alexey Starikovskiy wrote:

Date: Tue, 20 Apr 2010 20:01:48 +0400
From: Alexey Starikovskiy <aysta...@gmail.com>
Reply-To: EMC developers <emc-developers@lists.sourceforge.net>
To: EMC developers <emc-developers@lists.sourceforge.net>
Subject: Re: [Emc-developers] Coordinated Gantry Homing by Linked Joints
20.04.2010 19:30, Peter C. Wallace ??????????:
(Syncing on index of course assuming you could not easily "rack" the gantry
1/2 a leadscrew turn)

There is a much bigger assumption -- you are running servos, they have 
index,
index is routed in, and index offset between motors is known beforehand.


Sure, this is a reasonable and sensable setup for synchronized servo axis
(unless you want to "crab" all the way home)

I only mentioned servos, with stepmotors 2 home switches are likely needed

Peter Wallace------------------------------------------------------------------------------
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