On 16 August 2013 12:35, Lisandro Massera <lisandromass...@hotmail.com> wrote:
> I've studied the code, and the problem (in the case of jogging) is in 
> command.c around line 1423. When it checks for max speed, it compares all the 
> axes speed against a limitvel which is set in the configuration 
> ("MAX_VELOCITY" in the TRAJ section), without differentiating between linear 
> or rotary axes. This is troublesome, since a max speed of 10000mm/min would 
> be normal for a linear axis but 10000°/min is quite a lot for an angular axis 
> (at least for my machine).

This isn't the problem I am discussing.
I am talking about a world-mode jog of a tool angle. As the rotary
axis turns the X and Y axes move so that the tool point remains
stationary.
The problem is that the rotation speed is not limited to keep the
linear axes within their limits.

A fixed angular velocity limit won't address this, as the speed that
the linear axes need to move to keep the tool tip stationary depend on
the other angles and the tool length.

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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