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Tool Talk Discussion Forum

The rest of the story, my style.

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Loren

03-30-2005 23:20:03




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I started in with a bunch of bs and realized I would have hijacked the thread below. I thought I'd post it anyways because maybe someone might be interested about what I was on my mind. Work stuff. We make drill pipe and drilling tools at work. We make all the pipe ends in house and have our own heat treat plant. In making pipe I weld with suberged arc on a hyd. lathe. That's run off a SAF-600 Lincoln. These are single wall and dual wall reverse-circulation pipes. Blows down the hole between the two walls and exhasts the debris up the center. The RC pipes are from about 6" OD to 16" OD, up to 50' long. Down-the-hole hammers to about 30" diameter. The big hammers have pistons sometimes weighing over half a ton slamming back and forth way faster than you'd believe. Several beats per second. These big hammers are sometimes over 10,000 lbs. by themselves. Bits from bout 6" to 5 or 6 feet OD. Also casing extractors, perforators and drivers. Guess I'm fresh out of bs. :>)

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Easy

04-01-2005 17:41:28




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 Re: The rest of the story, my style. in reply to Loren, 03-30-2005 23:20:03  
My dad had a tool & die shop for many years. He made a lot of stuff for the CH Symington Co. Big turntables for huge spools of wire used in auto factory welding equipment. The coils were 3 or 4 ft in dia. I don't know what they weighed, but it must have been a lot. The tables were made of 1.5 in. thick steel with a 4 in spindle / bearing assembly in the middle. I remember one production run of 300 units for a new factory line in the early 70's. Easy

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Coldiron

03-31-2005 12:35:55




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 Re: The rest of the story, my style. in reply to Loren, 03-30-2005 23:20:03  
Loren, That is quite a process on the fabrication of the drill pipe. I would love to spend a day looking over your shoulder but knowing the liability I am sure your management would faint if it happened. Thanks for the insight on how the big stuff is made. My AC/DC stick and my 185 Miller Mig seem small in comparison. You probably produce more bead in a day than I do in a year.



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Loren

03-31-2005 16:52:14




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 Maybe. in reply to Coldiron, 03-31-2005 12:35:55  
But I can only imagine how much wire the fellas that are doing some heavy welding use. I've used 40 lbs. a day several times even with the 1/16th".



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Big Jim

03-31-2005 21:12:51




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 Re: Maybe. in reply to Loren, 03-31-2005 16:52:14  
I know I"ve seen pictures of industrial welding sites where they were delivering a single spool of wire with a substantial forklift. I"ve seen specs on feeders that will deliver 600 inces per minute.



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Loren

03-31-2005 21:22:13




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  :) in reply to Big Jim, 03-31-2005 21:12:51  
And that 600 IPM is probably with 3/32 or 1/8 wire. LOL Ours probably go to 2-300 IPM, piddlin's compared to the big'uns.



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T_Bone

03-31-2005 22:00:28




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 Re: :) in reply to Loren, 03-31-2005 21:22:13  
Hey Loren,

Rattle off some more shop talk as I always find it interesting on how they build big machiney :)

T_Bone



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Loren

04-01-2005 19:05:08




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 Re: :) in reply to T_Bone, 03-31-2005 22:00:28  
I had a big ol post for you TBone, someone called the house, the puter puked and it went away. Picture and all. Sorry.



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