I too would like to see pictures. Couple times over the years I've turned cranes over to line bore guys to repair the heel pin holes in the boom. The operation would be done over a weekend, so I never stuck around to see how it was done. Would be very interesting to see, with detailed informations of what is being done!
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Thread: line bore job
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10-08-2010, 03:45 PM #11
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Caution!
These are "my" views based only on “my” experiences in “my” little bitty world.
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10-08-2010, 04:00 PM #12
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I recall, a few years ago, there was a guy here who did a very professional, home-grown line-bore job. Posted pics on one of these boards, it was JHall if I remember correctly. Center pivot on an articulated Cat loader. Mounted bearings top and bottom, had a 2" boring bar fabbed by a local machine shop, held it up and fed it in with an overhead chain fall, turned it with what looked like a Dodge Screw-Conveyor drive. Could'a been posted on SFT, do a search.
Obviously, I'm just a hack-artist, you shouldn't be listening to anything I say .....
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10-08-2010, 04:14 PM #13
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Recalling it now, it was either username "JHall" or "Jeff", depending on the forum, do a search monte, this is amazing work, you yourself wouldn't have any concept.
Obviously, I'm just a hack-artist, you shouldn't be listening to anything I say .....
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10-08-2010, 04:17 PM #14
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I would ask if you wanted any help but I have to leave monday for Illinois
Originally Posted by dppmfg
I got your PM but I been to busy to give ya a call. I'll catch up with ya one of these days.
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10-09-2010, 06:10 AM #15
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lineboring
What kind of bar do you use? I use a YORK and really like it,but I love my BORETECH bore welder.
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10-09-2010, 10:12 AM #16
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Don't quite get your post....care to elaborate? Originally Posted by JSFAB
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10-09-2010, 07:39 PM #17
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The bar is a home made contraption 1-1/2 bar hyd drive off the truck, hand feed. I am way to poor to afford one of the commercial bars. Originally Posted by junkwelder
I would love to have a bore welder but just cant justify 7 grand for one I will just keep on welding them by hand.
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10-09-2010, 08:29 PM #18
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Nothing wrong with home made. I'll be looking for your pictures. Originally Posted by dppmfg
Thanks for the compliments, JS.Jeff
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10-11-2010, 10:20 AM #19
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J Hall, the main reason I wanted to point out your job, seems too many people tend to consider this "over and above" their capabilities. When you cut it down to the basics, line bore is essentially lining up a series of holes. Especially for a "one-off" job, it's not as expensive to do as one would think. One does have to take accurate measurements, and one does have to take their time boring the hole, but in the end it's not rocket science. I always admire the guy, looking around his shop, and figuring he has what's required, with a few hundred dollars more, getting 'er done.
Last bore job I was involved in, for the price it was beyond my capabilities, reaming out the front steering pivot on a Roadtec RX-45,,,,, 8" cylinder, needed to go down 4 more inches, bored wrong from the factory. I gave the customer the name and phone, guy stopped by in a pickup, took a few measurements,,,, came by a couple days later, with the big truck, everything pre-fabbed, a half-day's work on site, total bill was well below $2000.00Obviously, I'm just a hack-artist, you shouldn't be listening to anything I say .....
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10-18-2010, 05:59 PM #20
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progress update
machine showed up today. It was a little bit different than i expected. The customer had tried to remove the broken off, rusted in place pin by cutting along the tube with a torch. Not sure why they tried that but guess that is why they build buildings and we fix stuff.
My plan is to cut out the tube, machine a new one undersized on the id and line bore to size after welding.
Te pics are not great just snapped a couple before i left the shop
100_1345.jpg
100_1346.jpg
100_1344.jpg
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