Re: [Emc-users] Spindle hooked to dc servo amp

[Chris Morley]

> 
> Andy - further on spindles, as per Sam's suggestion I tried 
> 
> net spindle-position encoder.0.position-interpolated =>
> motion.spindle-revs
> 
> rather than
> 
> net spindle-position encoder.0.position => motion.spindle-revs
> 
> At low speeds with low encoder counts it sounded totally different -
> much worse with odd pauses :(
> 
> I've not actually cut a thread with it, but for the same spindle speed I
> reckon the pitch would be off - it just doesn't seem to be driving the Z
> axis at the correct feed and looking at the Z axis velocity display on
> the gui, it's all over the place. 
> 

position-interpolated is not for position control - says so right in the docs.
not that it says what it IS for and I forget...

Chris M
                                          
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