I have a mig welder after graduating from stick welding. Years back I took a local community college course to learn better welding techniques, it covered stick, mig and tig, I found tig to be the hardest, all I made was aluminum puddles.
On Tuesday, December 16, 2014 3:58:40 PM UTC-6, joe biunno wrote: > > starting a new topic here to address help in possibly setting up a legacy > with linear bearings... suggestions for possible sources of materials and > anything else that might make this mod as easy and inexpensive as > possible....first photo is of a piece of sample track and a carriage type, > both from PBC LINEAR, sitting on a piece of legacy rail...this is PBC's > "low profile redi rail' line...total height is 3/4"...the rail is 1 7/16" > wide(legacy rail is 1 5/8" wide)...this carriage is 3" wide and might not > work well on the the legacy...but i did get it as a free sample it does > allow me to play with the mounting a bit...difficult to see, but there is a > 't' nut inside the legacy rail that was gotten from mcmaster-carr...it has > a 1/4-20 thread in it and needed very little modification(file the bottom > corners a bit and filed the top down just a hair) to make it fit the legacy > rail...the PBC rail comes pre drilled with holes exactly in the center of > the linear rail, so it is practically self centering onto the legacy > rail(due to the "t" nut)...they also have a set up called "redi-rail slide" > that is a TOTAL of 1 3/8" wide, which is less than the legacy rail...the > height is a bit more than the low profile rail though(15/16" +/-), but > certainly acceptable, i believe...the only problem with these set-ups(and > others from other manufacturers) is the cost...usually rail will cost > around $30 per foot and a single carriage can cost around $70...so an "X" > axis alone would be in the neighborhood of $640(2-6ft pcs. of rail and 4 > carriages)...add in the "Y" axis(do not see a need to do the "Z" axis), and > you could easily be spending $1,000 when shipping and other expenses are > factored in...so a pricey mod for sure...anyone have some definitive, less > expensive sources for rails and carriages?...i do remember reading jon > preston's posts regarding his mod (excellent work!) and his finding > inexpensive bearing hardware on ebay...and i have seen the same or similar > my self, but they all seem to be coming from china...and with all due > respect to burney's mod, this is a bit better due to the fact that you can > adjust the bearings on each carriage for wear(which should be in about ten > to twenty years!...LOL!)...these rails will also add some rigidity to the > legacy rails(if it's even needed at all)...joe > -- You received this message because you are subscribed to the Google Groups "Legacy Ornamental Mills" group. To unsubscribe from this group and stop receiving emails from it, send an email to legacy-ornamental-mills+unsubscr...@googlegroups.com. To post to this group, send email to legacy-ornamental-mills@googlegroups.com. Visit this group at http://groups.google.com/group/legacy-ornamental-mills. For more options, visit https://groups.google.com/d/optout.
