1” scale rivets

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kcameron
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Re: 1” scale rivets

Post by kcameron » Fri Apr 23, 2021 9:03 am

Has anyone seen glued on rivet heads?
Rivets.jpg
I'm fixing up an old flat car and the prior owner (now passed) seems to have used some sort of little dots that he glued to the wood forming the sides of the car. They look really nice, but there are a few missing here and there and I'd like to fill in the gaps in the pattern. The wood for the sides in some places is only a 1/8" thick sort of sheet, very thin! The idea of using push pins or similar would leave a dangerous ragged edge on the inside even if clipped short.

The other idea would be removing them all as they are not that noticeable from any distance. But when you are close enough, it is a nice detail.
-ken cameron
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BAdams
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Re: 1” scale rivets

Post by BAdams » Fri Apr 23, 2021 10:59 am

You could use the existing rivet heads to make a silicone mold(s) and cast up a bunch of replacements: https://www.alumilite.com/resins/mini-casting-kit/

RONALD
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Re: 1” scale rivets

Post by RONALD » Fri Apr 23, 2021 2:54 pm

Here is a chart for Drive Screws.

They show smallest as #00, you really need tweezers to manipulate that size.

https://www.rivetsonline.com/drive-screws#1

Glenn Brooks
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Re: 1” scale rivets

Post by Glenn Brooks » Fri Apr 23, 2021 10:32 pm

This looks like an easy and quick replacement to a rivet repair I have coming up.

So, what is the proper method to install “drive screws”? I assume you beat them home with a ball Peen hammer.

But are there shaft length requirements per thickness of material? And How much or how little do you want to stick thru the backside?

Also is there a rule of thumb for hole size, similar to drill ID and tap???

Thanks much,
Glenn
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RONALD
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Re: 1” scale rivets

Post by RONALD » Sat Apr 24, 2021 8:45 am

I have used many many drive screws on projects, but hardly ever for really keeping materials together.

I have used them as decoration on many projects.

For those small drive screws,it just takes a lite strike with a small hammer.

If you look at the video of the TurnTable (actually two) that I constructed, you can see where I'm putting in drive screws, by the hundreds!

https://www.youtube.com/watch?v=cu7Cou5zVi0

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Dick_Morris
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Re: 1” scale rivets

Post by Dick_Morris » Sat Apr 24, 2021 5:06 pm

I used SS drive screws on my SS tender along with an industrial adhesive. The drive rivets are pretty hard, but I made a brass rivet set to protect the heads and used a bucking bar on the back side to keep from bending the sheet metal and to ensure the two layers pulled up tightly. There are dimension specs for the various sizes of drive screw in the Machinist's Handbook which probably include the hole size.

JoeKahan
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Re: 1” scale rivets

Post by JoeKahan » Sat Apr 24, 2021 5:22 pm

Ken,
Not sure how many you need to replace, but what about getting some half round beads at a craft store to glue in place and paint? Or get some wood dowel and make some up?
Joe
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Rich_Carlstedt
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Re: 1” scale rivets

Post by Rich_Carlstedt » Sat Apr 24, 2021 6:12 pm

cp4449 wrote:
Tue Dec 03, 2019 11:49 pm
Looking at building a riveted tank car. If I use PVC for the tank, in 1” scale any good suggestions for what to use for rivets ? The prototype has pointed head rivets
not insurmountable , Buy regular Copper rivets - may need to experiment with size.
Either bore a cone in a piece of 1/2' Drill-Rod or Sharpen a 3/16 drill so it has a 90 degree Convex shape. Use it to drill the end of the rod.
Heat treat the rod and then "upset" the round heads into cones. I would have a angle iron slightly thinner than the length of the rivet with multiple holes
. mount the angle in the vice , drop in the rivets and then smack them . Having the leg of the angle in the vise gives rigidity and having the other leg thinner allows easy ejection of the reformed rivet .

Rich

Edit
Would not hurt to Preheat the rivets to 1200 degrees to make them really soft.
Aluminum Rivets may be even easier to form , and the preheat there is about 600

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Greg_Lewis
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Re: 1” scale rivets

Post by Greg_Lewis » Sat Apr 24, 2021 6:26 pm

Rich_Carlstedt wrote:
Sat Apr 24, 2021 6:12 pm
cp4449 wrote:
Tue Dec 03, 2019 11:49 pm
Looking at building a riveted tank car. If I use PVC for the tank, in 1” scale any good suggestions for what to use for rivets ? The prototype has pointed head rivets
not insurmountable , Buy regular Copper rivets - may need to experiment with size.
Either bore a cone in a piece of 1/2' Drill-Rod or Sharpen a 3/16 drill so it has a 90 degree Convex shape. Use it to drill the end of the rod.
Heat treat the rod and then "upset" the round heads into cones. I would have a angle iron slightly thinner than the length of the rivet with multiple holes
. mount the angle in the vice , drop in the rivets and then smack them . Having the leg of the angle in the vise gives rigidity and having the other leg thinner allows easy ejection of the reformed rivet .

Rich

Edit
Would not hurt to Preheat the rivets to 1200 degrees to make them really soft.
Aluminum Rivets may be even easier to form , and the preheat there is about 600

I made some rivets in a similar way. Used a round end mill to make the head die, used copper electrical wire for the bodies. Drilled a hole in somethingorother to hold the body when I formed the head by whacking the die down with a hammer. Didn't need to heat treat the die as steel against soft copper is certainly going to last for as long as I needed it. I think it took me longer to make the head die and the body holder than it did to whack the dozen or so rivets I needed.
Greg Lewis, Prop.
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NP317
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Re: 1” scale rivets

Post by NP317 » Sat Apr 24, 2021 8:32 pm

Or... Purchase rivets with the correct head diameter.
https://www.rivetsonline.com

Drill a corresponding hole for the shank, which you will trim to the correct length to not stick out the other side. (Your specification)
Glue them in place.
Paint. Play.
RussN

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gwrdriver
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Re: 1” scale rivets

Post by gwrdriver » Sun Apr 25, 2021 8:36 am

Dick_Morris wrote:
Sat Apr 24, 2021 5:06 pm
The drive rivets are pretty hard, but I made a brass rivet set to protect the heads
I've used a lot of drive screws over the years and even though they're very hard, if you don't get the pilot hole just right they might need to be hit a pretty stiff whack to drive them home and that WILL put a flat spot on the head. So I do as Dick has suggested, make a sacrificial brass set. Sometimes that amounts to only a strip of sheet brass or copper, anything to protect the head.
GWRdriver
Nashville TN

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johnpenn74
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Re: 1” scale rivets

Post by johnpenn74 » Thu May 06, 2021 10:59 pm

Why fake it?...Just use real steel rivets. People screw it up because they dont get a real gun.
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