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How nuts and bolts are made video
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How nuts and bolts are made video
On Apr 16, 8:12 am, Peter Cole wrote:
http://www.youtube.com/watch?v=q5sJ7BZENIQ Without knowing that nuts and bolts are available less expensively elsewhere, you could appreciate from this video why your local bike and hardware shop charges so much for a Campagnolo nut or bolt. |
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How nuts and bolts are made video
In article
, " wrote: On Apr 16, 8:12 am, Peter Cole wrote: http://www.youtube.com/watch?v=q5sJ7BZENIQ Without knowing that nuts and bolts are available less expensively elsewhere, you could appreciate from this video why your local bike and hardware shop charges so much for a Campagnolo nut or bolt. As the old joke goes, they lose money on every part, but make it up in volume. -- Ryan Cousineau http://www.wiredcola.com/ "In other newsgroups, they killfile trolls." "In rec.bicycles.racing, we coach them." |
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How nuts and bolts are made video
On 2008-04-17, Ryan Cousineau wrote:
In article , " wrote: On Apr 16, 8:12 am, Peter Cole wrote: http://www.youtube.com/watch?v=q5sJ7BZENIQ Without knowing that nuts and bolts are available less expensively elsewhere, you could appreciate from this video why your local bike and hardware shop charges so much for a Campagnolo nut or bolt. As the old joke goes, they lose money on every part, but make it up in volume. It was interesting to see that the finished bolt and nut were basically squeezed out of the starting metal as if it were clay. At no point was anything cut off leaving bits of metal or swarf on the floor to be swept up and melted down again. I always assumed nuts were punched from a thick sheet and that to make the bolt heads you would have to at least cut off the corners. But no. The way they do it is not only cheaper and more efficient but may also leave favourable residual stresses of some kind in the finished bolt. But I have my doubts about that guess because after that they gave the bolts a couple of good bakings in a hot oven. I read he http://www.portlandbolt.com/faqs/rol...-threads-bolts that one of the advantages of roll threading is that the "cold working on the threads makes them more resistant to damage during handling". Wouldn't any cold working effect be reset by the heating in the oven? |
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How nuts and bolts are made video
On Thu, 17 Apr 2008 00:57:54 -0700, "Bill Sornson" wrote:
Peter Cole wrote: http://www.youtube.com/watch?v=q5sJ7BZENIQ All that and I can strip 'em in two seconds. You aren't using proper torque spec's. You have to be careful to tighten it until it just starts to strip and then you back off a little. Then use loctite. |
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How nuts and bolts are made video
wrote in message ... On Thu, 17 Apr 2008 00:57:54 -0700, "Bill Sornson" wrote: Peter Cole wrote: http://www.youtube.com/watch?v=q5sJ7BZENIQ All that and I can strip 'em in two seconds. You aren't using proper torque spec's. You have to be careful to tighten it until it just starts to strip and then you back off a little. Then use loctite. You add the loctite _after_ you've already tightened the the fastener? |
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How nuts and bolts are made video
"still just me" wrote in message
... On Thu, 17 Apr 2008 12:47:04 -0500, "Carl Sundquist" wrote: You aren't using proper torque spec's. You have to be careful to tighten it until it just starts to strip and then you back off a little. Then use loctite. Sure... if you use it before, it would make it awfully hard to undo the nut later! Please tell me you aren't being serious? You add the loctite _after_ you've already tightened the the fastener? I'm not going to answer this yet as I think you are all taking the **** Cheers Dre |
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How nuts and bolts are made video
On Apr 16, 7:12*am, Peter Cole wrote:
http://www.youtube.com/watch?v=q5sJ7BZENIQ Thanks Peter! 'How It's Made' is one of my fav cable TV shows. I think it is on Discovery Channel but it could be on A&E. J. |
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How nuts and bolts are made video
On 2008-04-18, Jay wrote:
On Apr 16, 7:12*am, Peter Cole wrote: http://www.youtube.com/watch?v=q5sJ7BZENIQ Thanks Peter! 'How It's Made' is one of my fav cable TV shows. I think it is on Discovery Channel but it could be on A&E. It's Discovery, right before Cash Cab in the afternoon. I always end up with the last 60 seconds of it when I Tivo CC. -- Kristian Zoerhoff |
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