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Posted

i am using #12 copper rivets and once I set this (with the proper tool) the washers are backing off and not setting properly.  What could be causing this?  Thank you.

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Posted
48 minutes ago, Memphis514 said:

the washers are backing off and not setting properly.

Can you post a photo so we can have a better understanding of the problem? Otherwise it is hard to imagine the root of the problem, i.e., rivet too long, etc.

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Posted

Are you cutting off the excess and peening the end over?

Every day you learn something is a good day. If you don't learn something every day, was it worth waking up for?

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Posted
3 hours ago, Memphis514 said:

i am using #12 copper rivets and once I set this (with the proper tool) the washers are backing off and not setting properly.  What could be causing this?  Thank you.

Best I can figure, . . . you are not doing it right.

Stick the copper rivet thru the leather, . . . put on the washer, . . . slip the tool over the end of the rivet and smack it with a mallet, driving the washer all the way down onto the leather, hit it again for good measure, . . . cut the copper off about an 1/8 to 3/16 of an inch above the washer, . . . peen with a ball peen just a minor bit . . . then use the little rounded out place in the bottom of your tool to make the rivet "purty".

I always do this on a piece of 1/4 inch steel laying on my work bench, . . . and often as not on top of my marble slab.  You cannot peen and set the rivet most of the time on a soft table top.

May God bless,

Dwight

If you can breathe, . . . thank God.

If you can read, . . . thank a teacher.

If you are reading this in English, . . . thank a veteran.

www.dwightsgunleather.com

Posted

Dwight,

I'd add one thing.  After cutting off, smack it once, to enlarge the shank.  Then begin the peening and then the 'purty' smack.  Sometimes when doing the peening around the top of the fresh cut the rivet might loosen a bit.  That's why the initial smack.

God bless

Mike

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Posted

On some batches of rivets the hole is the burr is a touch too large/shank is too small.  They don't have enough grip to hold in place once you nip off the excess shank  The burr falls off. Very aggravating and I've never found the cure. Some can blame a source but I've had it happen with a couple reputable suppliers too. 

Bruce Johnson

Malachi 4:2

"the windshield's bigger than the mirror, somewhere west of Laramie" - Dave Stamey

Vintage Refurbished And Selected New Leather Tools For Sale - www.brucejohnsonleather.com

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Posted
28 minutes ago, bruce johnson said:

On some batches of rivets the hole is the burr is a touch too large/shank is too small.  They don't have enough grip to hold in place once you nip off the excess shank  The burr falls off. Very aggravating and I've never found the cure. Some can blame a source but I've had it happen with a couple reputable suppliers too. 

Easy fix though, . . . center punch a couple places near the edge of the hole, . . . on opposite sides, . . . should grip then.

Course, . . . better idea is toss the bad ones and only use good ones, . . . even if it means tossing the whole package.  Few things are worse than trying to use a "raw material" that was not properly made, . . . and won't allow you to do the job you intended to do with it.  Grrrr

May God bless,

Dwight

If you can breathe, . . . thank God.

If you can read, . . . thank a teacher.

If you are reading this in English, . . . thank a veteran.

www.dwightsgunleather.com

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Posted
6 hours ago, Dwight said:

Best I can figure, . . . you are not doing it right.

Stick the copper rivet thru the leather, . . . put on the washer, . . . slip the tool over the end of the rivet and smack it with a mallet, driving the washer all the way down onto the leather, hit it again for good measure, . . . cut the copper off about an 1/8 to 3/16 of an inch above the washer, . . . peen with a ball peen just a minor bit . . . then use the little rounded out place in the bottom of your tool to make the rivet "purty".

I always do this on a piece of 1/4 inch steel laying on my work bench, . . . and often as not on top of my marble slab.  You cannot peen and set the rivet most of the time on a soft table top.

May God bless,

Dwight

I am doing this exact process. I doubled checked that the washers are the right size and they seem to be, they only right on the top.   I tried some #9 and they worked fine.  They are the 1” copper #12 from Tandy. 

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Posted
3 hours ago, Memphis514 said:

I am doing this exact process. I doubled checked that the washers are the right size and they seem to be, they only right on the top.   I tried some #9 and they worked fine.  They are the 1” copper #12 from Tandy. 

My apologies to you then, my friend, . . . I have no idea then what is happening, . . . would probably just have to be there, . . . is there any saddle makers or other leather workers in your area?

I would search one of them out, . . . take the tool and the rivets with you, . . . or maybe even take them to a Tandy story.   My Tandy store has a manager who KNOWS leather and how to do the stuff with it, . . . he is my big resource.

Best wishes, may God bless,

Dwight

If you can breathe, . . . thank God.

If you can read, . . . thank a teacher.

If you are reading this in English, . . . thank a veteran.

www.dwightsgunleather.com

Posted (edited)

A couple observations, may or may not be relevant to your issue:

If the burr is too loose on the shank of the rivet, flattening it slightly using the flat side of your ball peen hammer and a steel plate will tighten it up and may provide a little work hardening.

If you set the burr down too hard, the compressed leather will push it back up again and the grip on the shank will be lost.The rivet shrinks a little as you peen it and will tighten up on the leather.

I find if the shank is too long, the interference fit is lost by the time the burr gets to the bottom.

I did a project using straight shank round head brass rivets and 16 gauge brass burrs that I hand made with a Whitney punch. Since the interference fit was minimal, I had to place the burr, cut the shank, expand the shank by striking it flat, drive the burr down a little bit more, and then peening it like normal. 

The shop head on these don’t show and were made flat because they are are inside the suspension system for a prop crown.

 

 

BAD0456A-6CB9-4063-BD47-F2D385CDFA23.jpeg

D5811DB4-1280-4B06-8D04-EB5810C92F56.jpeg

Edited by 480volt

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