You can specify a feedrate for each segment of the arc, this way you can control the acceleration. The smaller the segments, the better accuracy you have.
Greg ----- Original Message ----- From: "Spiderdab" <[email protected]> To: "Enhanced Machine Controller (EMC)" <[email protected]> Sent: Saturday, September 11, 2010 5:16 PM Subject: Re: [Emc-users] G-code question > Il 11/09/2010 14:21, Andy Pugh ha scritto: >> On 11 September 2010 09:38, Spiderdab<[email protected]> wrote: >> >>> I was thinking something similar, and today i'm going to try. >>> in fact, working with 3dsmax, when i increase the density of points, the >>> resulting speed decrease. >>> >> You will need to turn on the Naive CAM detector. (And CAM doesn't get >> a lot more naive than this). >> http://linuxcnc.org/docs/html/gcode_main.html#sub:G61,-G61.1,-G64: >> >> Plain G64 should do the trick, I doubt you care that much about >> path-following accuracy. >> > i've read the doc, but didn't got how it would do the trick. immagine > that my path is only a series of arcs (like the simple flying of a > volleyball, between four people.) when i draw the arcs, the density of > the points is equal in all the length. i've also tried to add points > manually at the end and beginning of every arc, wishing lines were > enough short to make the movement slow down a little, but nothing. with > a speed of 20mt/min it doesn't slow down. > > now what i understood in reading about G64 is that it can slow the speed > only if the movement goes out of the accuracy, but how can i make that > it goes out of accuracy only by the end and beginning of arcs? (if i'm > totally wrong tell me. ..also if i'm just a little wrong..) > > ehm.. the meaning of the word naive, is something like ingenuous? or > approximative? can't understand the usefulness of naive CAM detector. > (sorry) > > ------------------------------------------------------------------------------ > Start uncovering the many advantages of virtual appliances > and start using them to simplify application deployment and > accelerate your shift to cloud computing > http://p.sf.net/sfu/novell-sfdev2dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.441 / Virus Database: 271.1.1/3118 - Release Date: 09/06/10 18:34:00 ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
