John The A rotates the head around the X axis and the A rotates the head around the Z axis. If the torch is sitting at 45 deg and you pull up the Z axis it will cut on another line. True the flame is further away but also not on the same cut line any more
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------ Original Message ------ From: "John Thornton" <j...@gnipsel.com> To: "Marius Liebenberg" <mar...@mastercut.co.za>; "EMC developers" <emc-developers@lists.sourceforge.net> Sent: 2016-09-21 14:06:28 Subject: Re: [Emc-developers] THC with 5 axis plasma >Z is still the only axis that controls the torch height. A and C should >be programmed to follow the path needed for the part. Just trying to >visualize that machine in my head... is A and C rotating Z or the part? > >JT > >On 09/21/2016 06:11 AM, Marius Liebenberg wrote: >> I agree. It is more al the signal level or HAL level or component >>level >>that I am wondering about. You cannot simply change the Z value as we >>do >>with THCUD. There are A and C axis involved now as well. >> >> >>------ Original Message ------ >>From: "John Thornton" <j...@gnipsel.com> >>To: "Marius Liebenberg" <mar...@mastercut.co.za>; "EMC developers" >><emc-developers@lists.sourceforge.net> >>Sent: 2016-09-21 12:56:59 >>Subject: Re: [Emc-developers] THC with 5 axis plasma >> >>>Cutting a bevel the thickness is different than the sheet but the arc >>>distance is the same for the thickness being cut IMHO. >>> >>>JT >>> >>> >>>On 09/21/2016 12:16 AM, Marius Liebenberg wrote: >>>>Hi All >>>>I am starting a build of a 5 axis plasma machine with bevelling >>>>features. The problem I am facing is not understanding how I will >>>>implement the THC on a 5 axis setup. I am not sure just changing the >>>>Z >>>>axis feedback or command signal will do the trick here. If a bevel >>>>is >>>>being cut thing surely look different. >>>>Any ideas or brain storming is welcome please. >>>> >>>> >>>> >>>> >>>>----------------------------- >>>>Regards / Groete >>>> >>>>Marius D. Liebenberg >>>>+27 82 698 3251 >>>>+27 12 743 6064 >>>>------------------------------------------------------------------------------ >>>>_______________________________________________ >>>>Emc-developers mailing list >>>>Emc-developers@lists.sourceforge.net >>>>https://lists.sourceforge.net/lists/listinfo/emc-developers >>------------------------------------------------------------------------------ >>_______________________________________________ >>Emc-developers mailing list >>Emc-developers@lists.sourceforge.net >>https://lists.sourceforge.net/lists/listinfo/emc-developers > ------------------------------------------------------------------------------ _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
