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Author Topic: Barrel lug welding?  (Read 572 times)

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Offline eskimo36

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Barrel lug welding?
« on: April 15, 2007, 11:05:51 AM »
What method is used by H&R/NEF to weld the barrel lugs?
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Offline 300winny

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Re: Barrel lug welding?
« Reply #1 on: April 15, 2007, 02:50:59 PM »
looks like the MIG welding process to me and the welds look a little cold which could be the reason they break off frequently, Im a certified welder also just so you dont think im just talking out of my arse
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Offline trotterlg

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Re: Barrel lug welding?
« Reply #2 on: April 15, 2007, 04:36:38 PM »
What ever they use gets the barrel hot enough to make hard and soft spots in the metal.  While boring the barrel of the 410 for the stub project I did I could feel the hard and soft places with the lathe.  Larry
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Offline JPH45

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Re: Barrel lug welding?
« Reply #3 on: April 15, 2007, 04:44:37 PM »
They use a spot welding process, that's why it looks cold, and also why it creates hard spots, they don't stress relieve the barrels after.
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Offline Busta

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Re: Barrel lug welding?
« Reply #4 on: April 15, 2007, 05:18:17 PM »
 The barrel/receiver lug is MIG welded, the barrel/forend lug is SPOT (resistance) welded. Done both for many years, not firearms but for the auto industry.
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Offline quickdtoo

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Re: Barrel lug welding?
« Reply #5 on: April 15, 2007, 05:37:40 PM »
As John and Busta said, the forend stud is just spot welded on with 4 spot welds, it doesn't take much to knock it off!!

Tim

http://www.gboreloaded.com/forums/index.php/topic,96568.msg1098240921.html#msg1098240921
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