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
