I read something about nurbs implementation in emc, i need to catch up with that!
2010/5/5 Dave <e...@dc9.tzo.com> > Just a thought, but you might be able to use the Nurbs function to do > the cam profile creation for you also. > > I think it is G5.2 or something similar. There is a butterfly demo > program in the sample code that utilizes that. > > Dave > > > On 5/5/2010 5:35 PM, Leonardo Marsaglia wrote: > > Thank you guys for your answers, you were very helpful.. > > > > I will explain what i decided to do... the idea is to make the X axis of > the > > lathe to be a mill and the spindle will be turned with a servo motor > > reduced several times to increase torque (probably with a worm and gear > to > > make impossible the spindle to move ), i don't really need high rpm... i > > think that maybe the maximum rpm would be 100 or 150, because there is no > > need to make it turn faster. > > > > So, the idea is to use 2 servo motors, one for the spindle and another > for > > the X axis, (Z axis could be a stepper, it's not critical) and yes it > will > > be used for making the roughing process of the camshaft. > > > > The shape of the lobes, well.. we have data for some models.. others we > have > > to find out how the profile is, but the idea is to model the lobe in > > solidworks for example and then use the postprocesor to make the g-code > for > > emc2. > > > > I have a lot of doubts about this because we have only used emc for > > positioning and I/O in our grinders, and these ones have masters for > making > > the lobes. > > > > But i think that i would use it as a milling machine, it's easier and > fast > > for production.. so the idea is begin with the tests in the next weeks. > > > > I hope someday we can afford a cnc landis :( haha.. > > > > Thank you very much to all of you, and if you have more ideas or anything > i > > would like to talk about it.. if i made improvements i will tell you! > > > > Best regards. > > > > Leonardo. > > > > 2010/5/5 Steve Blackmore<st...@pilotltd.net> > > > > > >> On Wed, 5 May 2010 14:27:04 -0300, you wrote: > >> > >> > >>> Yes i think stuart is right, sometime ago in a similar discussion > someone > >>> told me the same, the there are two different motors for turning or > >>> > >> milling. > >> > >> > From memory, the Integrex only have two motors, a 15, 30 or 40HP > >> spindle, depending on the model, and a 7 or 10HP for the milling axis. > >> The spindle is essentially just a big geared servo, it can position > >> accurately and hold just like any other servo - The large torque is > >> paramount to hold against the machining forces, unfortunately the > >> penalty for success is the large price. > >> > >> Steve Blackmore > >> -- > >> > >> > >> > ------------------------------------------------------------------------------ > >> _______________________________________________ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > >> > >> > > > ------------------------------------------------------------------------------ > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users