Foundry sand working machines Mullers

[the artfull-codger]

(08-30-2013, 04:45 PM)oldgoaly Wrote: When I bought much of my foundry tools a Mini-Mote muller was part of the deal, it needed work, coupler was loose, scraper arm broken, but for the 60$ bucks I gave for all of them, the molding bench, 4 aluminum flasks, B16 crucible furnace, misc tools, I'm not going to complain!







Now this does about enough sand for a cope or drag 12 by 12 by 4 flask.
Years later I came across the Simpson, on of the guys on the yahoogroup Micheal Boettiker (sp?) found it thru the Wisconsin state school surplus. So I went up to Madison and paid him for the muller, then drove 7 hours hoe happy as can be. It had been reduced to 250 was 300, I gave Mike the 300! Here is some pics of it as we unloaded it and in action this does 3 full flasks, but that is at the limit of the VFD driving the 3 hp motor.













I like my mixer (hf) for adding oil to rejuvenate the petrobond sand,but the muller is so much better reworking the sand in between uses that is for another post.

Bl**dy hell that's a whopper, sure makes my little mixer look tame,still it does all my requirements!! What I'd like to ask you is what's this oil you use to rejuvinate petrobond? I've seen it mentioned a few times before but only in america, when I use petrobond [reserved for fine castings 'cos of the cost] I carefully scrape all the burnt stuff from the casting & discard it so it doesn't reduce the bond quality of the rest of the sand,do you mix all the burnt stuff back in then add some kind of ''rejuvinating oil''?? if so what's it called & where do you get it?? cheers
Graham.