Swedging an original Model A brake drum

[Clem Clement]

Can I swedge a brake drum more than once? I'm thinking no.

[BRENT in 10-uh-C]

Originally Posted by Clem Clement

Can I swedge a brake drum more than once? I'm thinking no.

Sure. As long as the holes in the drum are not damaged or enlarged where the lug stud can be re-riveted over, you will be fine. I am pretty sure the shank of the lug bolts are supposed to 0.625"-0.628" specs.

[hazelhoff]

What do you when you say “swedge” ? A brake drum ?

[BRENT in 10-uh-C]

Originally Posted by hazelhoff

What do you when you say “swedge” ? A brake drum ?

Swaging (-often mispronounced as swedging) is a tool that deforms an object, -and in this case it is the Wheel Hub Bolt to tighten the drum to the hub. Ford Engineers called for the assembly worker to "Rivet over after assembly." in-which the worker used a Swaging tool for performing the process.

[Kevin in NJ]

Well that depends....

The issue at hand is in the process of swaging the drum did you warp it?? If warped how bad?


If it was swaged and you carefully cut out and pressed the stud without warping the hub or drum then yes you are fine.

If you messed up and cause the drum or the hub to warp then you have a problem. If you have a problem then how much and can you safely cut the drum to make it round?

Do you have a press that can do 40 tons? If not then you cant swage them properly.

Hope that makes sense.

[mhsprecher]

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Clem, if you need help, Tom Terko has a press that can do it.

[Clem Clement]

Thanks. We used Benny's tools.

[Keith True]

A man that used to do babbit and machine work here worked as a machinest during the war.They did a lot of it at the navy yard here.He said his instructors hammered into them that the swage was the process,or the work involved,and the swedge was the product you created by the swaging process.Calling it a squashed wedge didn't earn him any points with his instructor either.He said they were big on correct terminolog.When he was being taught refrigeration you had to say,transfer heat.You did NOT say cool it down or heat it up.

[katy]

If the holes are damaged and/or oversize, a set of new holes can be drilled betwix the originals.