Countersinking discussion

[moose2b]

Thanks to all for your comments.

I tried 100* dimpling and pulling some rivets in scrap material, they look
fine. Looks like I'll just go ahead and use the 100* tools I already have.
Maybe 120* tools will go on the Christmas wish list :)!!

Terry Riedel
SR 171




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[klehman]

I only paid about $5. for the 120* dimpler that is pulled by a rivet
puller.

A concern might be that the avex cs rivets are weaker in tension than
the protruding head rivets. I am wondering if using a 100* dimpler might
end up further weakening the rivet in tension. When a countersunk rivet
in a dimpled hole starts to fail in shear, it also applies tension to
the head. Some folks refuse to use them at all for that reason, after
seeing some of the heads pop off. Just a thought.
Ken

moose2b@dcsol.com wrote:

Thanks to all for your comments.

I tried 100* dimpling and pulling some rivets in scrap material, they look
fine. Looks like I'll just go ahead and use the 100* tools I already have.
Maybe 120* tools will go on the Christmas wish list :)!!

Terry Riedel
SR 171

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[moose2b]

Hi Ken,

You have a point - I'll probably go ahead and get one of those if it's that
inexpensive.

Terry
SR 171


On 8/29/02 7:45 AM, KLEHMAN@ALBEDO.NET wrote to MURPHY-REBEL:

-> I only paid about $5. for the 120* dimpler that is pulled by a rivet
-> puller.
->
-> A concern might be that the avex cs rivets are weaker in tension than
-> the protruding head rivets. I am wondering if using a 100* dimpler might
-> end up further weakening the rivet in tension. When a countersunk rivet
-> in a dimpled hole starts to fail in shear, it also applies tension to
-> the head. Some folks refuse to use them at all for that reason, after
-> seeing some of the heads pop off. Just a thought.
-> Ken
->
-> moose2b@dcsol.com wrote:
-> >
-> > Thanks to all for your comments.
-> >
-> > I tried 100* dimpling and pulling some rivets in scrap material, they look
-> > fine. Looks like I'll just go ahead and use the 100* tools I already have.
-> > Maybe 120* tools will go on the Christmas wish list :)!!
-> >
-> > Terry Riedel
-> > SR 171
->





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