Thank you guys for the replies. The simplest mechanism that I've seen so far is the one used in the nail making machines but they don't use a stop for setting the lenght. I'll try to design both alternatives and see wich one suits me the better.
2018-07-02 22:12 GMT-03:00 Dave Cole <linuxcncro...@gmail.com>: > Oftentimes I have seen just a couple of grooved pinch rolls used - aka > like a mig welder wire feeder. It really depends on how much drive force > you need. If you pinch the wire too hard it will deform and extend. So > for more drive force, use more drive rollers. You can use gears to drive > the rollers, but I think chains are sometimes used as well. > > There are a lot of wire processing facilities around me and a lot of bolt > plants. > > Dave > > > On 7/2/2018 1:57 PM, Ralph Stirling wrote: > >> Check out "wire straightening machines" on youtube. You'll >> see a bunch of machines with pretty similar wire feeding >> methods. Some of those may give you more ideas than >> what you see on the screw heading machine. >> >> -- Ralph >> ________________________________________ >> From: Leonardo Marsaglia [ldmarsag...@gmail.com] >> Sent: Monday, July 2, 2018 9:41 AM >> To: Enhanced Machine Controller (EMC) >> Subject: [Emc-users] OT: Wire feeder on screw forging machine >> >> Hello to all. >> >> I'm trying to figure out how to design the simplest possible wire feeder >> like the one on this video: https://youtu.be/_pjbwFM1LM4?t=28s >> >> As you can see the wire comes to a stop (a simple bolt with a nut) so I >> suppose the feeding mechanism has some sort of slipping capability once >> the >> wire has reached the stop. >> >> Is there any common and simple mechanism for this purpose? I've never >> really worked with machines like this so I'm curious about what the >> simplest solution could be. I can imagine several ways to do it but I >> don't >> want to re invent the wheel. >> >> Thanks as always! >> >> Leonardo. >> ------------------------------------------------------------ >> ------------------ >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> ------------------------------------------------------------ >> ------------------ >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users