Welding small holes this time

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I've had a couple different reject & re-weld jobs recently with different looking setups than you usually see for a borewelder. Usually borewelders are stuck on big things for portable welding and machining or used to clad tubing with special materials.The first vid is a part with two 1.625" bores about 3" long. I also covered the camera lens with a #8 shade shortly after the weld starts for a better look.  This  video also shows the crap you can run into with welding castings for folks wondering why everything is fine and then POOF!   All settings & parameters are in the video;It took a while to set the one above up. Usually the borewelder is fastened to the part with clamps or a tack nut/plate.Below is another part with a larger bore that set up easy, again this time the welder is not attached to the part being welded. This one was also a casting but had no junk in the part near the weld area. All settings noted in the vid;MattLast edited by Matt_Maguire; 04-30-2011 at 02:41 PM.
Reply:Good video Matt.  I have never seen an automated bore welder in action before.  In your opinion, does the bore welding provide a better finished product, than would pressing in a sized sleeve or welding in a piece of tubing and redrilling to the correct size?Miller Syncrowave 350Millermatic 252/ 30A spoolgunMiller Bobcat 225g w/ 3545 spoolgunLincoln PowerArc4000Lincoln 175 Mig  Lincoln 135 Mig Everlast 250EX TigCentury ac/dc 230 amp stickVictor O/AHypertherm 1000 plasma
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Reply:will that same machine also work for larger bores? Thanks for the video's very neat stuff
Reply:That was very cool to watch.You get what you put in and people get what they deserve...
Reply:Awesome vid, this will show my ignorance, I had no idea such machines existed. Does the rotational speed and axial "pull" get programmed in to a controller or is that controlled on the fly by the operator? Is the 17 volt setting just below spray" speed? (only recently heard of spray mig and I am mostly ignorant bout that as well. ) How much machineing is required after the weld process( if mentioned in second vid I apologize, ran out of time to watch and my wifi kept going on the fritz)Mike
Reply:Whenever someone is using our boretech welder at work I like to walk by and tell them that's what it looks like when I hand weld.To answer the question about bore size, we utlize ours to weld up transmission bores over a meter in diameter on large steel castings. Just takes a different torch and some care setting it up. But after that, it's put your feet up and let it run.
Reply:Round and round...up and down...
Reply:Originally Posted by DougAustinTXGood video Matt.  I have never seen an automated bore welder in action before.  In your opinion, does the bore welding provide a better finished product, than would pressing in a sized sleeve or welding in a piece of tubing and redrilling to the correct size?