other problem facing is when pure rotary motion lcnc feed at °/time, while doing a combined or linear do feed at lenght/time. Surface speed could have a big change in this situation. Regards Rick
2014-03-07 12:40 GMT-02:00 Ricardo Moscoloni <rmoscol...@gmail.com>: > Hi, lcnc dont do blending with the rotation axis, i have the same > problem with a filament winder. > I realize that some kind of aproximate motion on rotary axes could > solve this, (if you can live with), and some hal code could do it, but > there my programming skills fall short. > Regards > Rick > > 2014-03-07 12:20 GMT-02:00 Stuart Stevenson <stus...@gmail.com>: >> Is the code a bunch of short length motion lines? >> I have seen jerky motion when the short length lines caused the machine >> axes to oscillate - the machine was faithfully reproducing the code >> instructions. >> I don't know Visualmill but the post processor is critical. >> >> >> On Fri, Mar 7, 2014 at 8:14 AM, John Thornton <bjt...@gmail.com> wrote: >> >>> Visualmill >>> >>> JT >>> >>> On 3/7/2014 8:08 AM, Stuart Stevenson wrote: >>> > How was the code generated? >>> > >>> > >>> > On Fri, Mar 7, 2014 at 8:01 AM, John Thornton <bjt...@gmail.com> wrote: >>> > >>> >> Stuart, >>> >> >>> >> He complains about jerky motion so I was trying to see if G93 would >>> help. >>> >> >>> >> JT >>> >> >>> >> On 3/7/2014 7:30 AM, Stuart Stevenson wrote: >>> >>> John, >>> >>> Does the regular feed rate not give you the motion you want? >>> >>> >>> >>> >>> >>> >>> >>> On Fri, Mar 7, 2014 at 6:38 AM, John Thornton <bjt...@gmail.com> >>> wrote: >>> >>> >>> >>>> I'm trying to create a script to add G93 to some XZA G code. I >>> assumed I >>> >>>> just needed to calculate the length of the move using right angle >>> >> triangle >>> >>>> calculations then create the F word but I'm getting following errors >>> in >>> >> sim >>> >>>> so I assume I'm not calculating the F word correctly. The radius of A >>> is >>> >>>> pretty constant so I just use an average radius in my calculations. >>> >>>> >>> >>>> I attached what I have so far for your amusement. >>> >>>> >>> >>>> Does anyone have any ideas about how to calculate the F word? >>> >>>> >>> >>>> Thanks >>> >>>> JT >>> >>>> >>> >>>> >>> >>>> >>> >> >>> ------------------------------------------------------------------------------ >>> >>>> Subversion Kills Productivity. Get off Subversion & Make the Move to >>> >>>> Perforce. >>> >>>> With Perforce, you get hassle-free workflows. Merge that actually >>> works. >>> >>>> Faster operations. Version large binaries. Built-in WAN optimization >>> >> and >>> >>>> the >>> >>>> freedom to use Git, Perforce or both. 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