hi if use stainless steel wire like 304 --316 etc wire - will it solve problem with build up slag ?
On Fri, Aug 1, 2014 at 7:09 AM, Dave Cole <[email protected]> wrote: > >>In rotary build up work it is needed to chip > this slag off after about two passes, maybe three if you are using > 200Amps or more to burn through it.<< > > I've never seen that before doing multiple passes with .030 wire and > CO2/Argon gas. > > I work with a company that uses 600 amp sub arcs to do build ups on rotary > wheels and that slag falls off by itself by the time the wheel makes a full > rotation (wheels are 24" in diameter). They oftentime build up the wheels > surface by more than 1/2 an inch. > > I have a big flux core wire feeders as well (portable suitcase style), one > is setup with 1/16" wire and that slag does not peel of by itself (wish it > did). The slag is very similar to what occurs with 6011 sticks running on > DC current. Very thin. > > Dave > > > > > On 8/1/2014 7:32 AM, Ed wrote: > > On 07/31/2014 09:42 PM, Dave Cole wrote: > >> If you weld with mig with gas (CO2/Argon mixture usually) there is no > > The impurities in and on the wire along with oxides on the material will > > leave a very light slag. In rotary build up work it is needed to chip > > this slag off after about two passes, maybe three if you are using > > 200Amps or more to burn through it. This insulating slag will make the > > arc dodge around and give a lumpy finish. > > > > > >> slag.. > >> > >> The cored flux wire will leave slag just like a stick welder. > >> > >> Dave > >> > >> > > Some flux cored welds are self cleaning if the amps are set just right, > > the slag will peel up behind the arc into a nice curl. This works best > > in rotary build up work. > > > > > > Ed. > > > > > > > > > ------------------------------------------------------------------------------ > > Want fast and easy access to all the code in your enterprise? Index and > > search up to 200,000 lines of code with a free copy of Black Duck > > Code Sight - the same software that powers the world's largest code > > search on Ohloh, the Black Duck Open Hub! Try it now. > > http://p.sf.net/sfu/bds > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ > Want fast and easy access to all the code in your enterprise? Index and > search up to 200,000 lines of code with a free copy of Black Duck > Code Sight - the same software that powers the world's largest code > search on Ohloh, the Black Duck Open Hub! Try it now. > http://p.sf.net/sfu/bds > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
