I have a very simple design that you just bolt onto the Z plate. If you have access to a cnc router or mill, it is a quick job to make. Let me know if you want to use the design
On 2012/11/10 05:06 PM, Viesturs La-cis wrote: > 2012/11/10 Marius Liebenberg <mar...@mastercut.co.za>: >> I dont think your idea is a good practical idee for a production >> machine. The torch does touch off thousands of times and the loose nuts >> will wear out in no time. There is nothing wrong with a well designed >> floating head and in my opinion it is the best possible pactise to date. > Ok, thanks, I will once again think over my approach! > The thing is that the floating head has to be designed and > manufactured, but I already am over the project deadline, while giving > a nut freedom to move some 10 mm in axial > direction can be set up very quickly. But risk of wearing out the > ballscrew nut from outside is not something nice to have... > > Can anyone share some nice and simple floating head design? > > 2012/11/10 Jim Coleman <drunkenwhip...@gmail.com>: >> I know that the big commercial machine I interacted with at my previous job >> would run over diamond plate and run it's head up and down to maintain the >> distance from the surface without actually touching the surface. I'm >> guessing it had to do with it's current/voltage sensing feedback. I did >> not follow the THC module that the guys here were working on years ago, I'd >> bet those threads have alot of info regarding the subject, how it works and >> how to implement it. I would think that just riding the surface on a >> floating head would be rather stressful to the mechanisms involved. Then >> again I doubt you'll want your machine to be running every possible second >> it can, 10 hours a day 5 days a week. > It is just for probing move to find material surface, then retract and > start piercing. I intend to use plasma tip voltage feedback for > maintaining the torch height during cutting process. > I guess that some kind of capacitance sensor might be used for this > probing purpose, but I have dealt with them only once and actually do > not know, where to get one for a reasonable price. > -- Regards / Groete Marius D. Liebenberg MasterCut cc Cel: +27 82 698 3251 Tel: +27 12 743 6064 Fax: +27 86 551 8029 Skype: marius_d.liebenberg Skype Me^(TM)! <skype:marius_d.liebenberg?call> Get Skype <http://www.skype.com/go/download> and call me for free. --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 121110-1, 2012/11/10 Tested on: 2012/11/10 05:40:15 PM avast! - copyright (c) 1988-2012 AVAST Software. http://www.avast.com ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
