Re: EMC and tape/paper cutting ?

[John Sheahan <jrsheahan-at-optushome.com.au>]

Hi Henkka
Are there extra issues keeping the point of the blade at the centre  
the rotation axis doing this?  
Does interesting backlash compensation need to happen 
as a result?

john




On Mon, Oct 08, 2001 at 06:42:37AM -0400, Henry Palonen wrote:
> 
> Hello.
> 
> I have been wondering how could I control paper-cutter with EMC...
> 
> I have been planning for device that replaces normal milling head with
> sort of "turning knife blade". There could be a stepper motor for 
> turning the knife's cutting edge to direction of current travel. 
> 
> So that would be kind of 4th axis. Has anybody tried this before, and if
> not, where should i start digging the sources ? 
> 
> It would be relatively easy to determine the direction of next 
> -linear- move, but it's getting more difficult with moves that 
> involve some radius...
> 
> Henkka
> 
> -- 
> Passwords are implemented as a result of insecurity.
>