The Shop > Metal Stuff
Reforming rifle brasses
Kludge:
I have a small problem. I have some rifle brasses - specifically Sharps .45-70 and .45-90 - that are slightly tapered. I would like to make them cylindrical so they can become low pressure air/steam engine cylinders but I'm not wholey sure how to manage that trick. The annealing isn't a hard part. Actually, that's pretty easy. It's the forming I'm not too sure about. Any assistance would be greatly appreciated.
BEst regards,
Kludge
Bernd:
Here's what i would try. Anneal casing. Make yourself a plug out of tool steel with a slight taper on the end so it will start into the casing. Make the plug to the largest dia. of the casing. Make sure though that the plug is nice and smooth. Put a touch of lube on the plug and gently tap into the casing to expand it.
Clear as mud right? ::) :P ;D
Bernd
PS - Some I don't think this thread belongs in the foundry section. ???
Kludge:
--- Quote from: Bernd on July 31, 2008, 08:30:41 PM ---Here's what i would try. Anneal casing. Make yourself a plug out of tool steel with a slight taper on the end so it will start into the casing. Make the plug to the largest dia. of the casing. Make sure though that the plug is nice and smooth. Put a touch of lube on the plug and gently tap into the casing to expand it.
--- End quote ---
Ah, cool. I kept thinking some sort of roller thing and hadn't even considered a plug. Thanks!
--- Quote ---PS - Some I don't think this thread belongs in the foundry section. ???
--- End quote ---
I couldn't think of anywhere else to put it and annealing involves heat and foundries are heat and ... well, you see my reasoning, right? I think the Lord High Poobahs can move it if need be and I certainly ask that they do if this is misplaced.
Best regards,
Kludge
Brass_Machine:
Nah its fine here. Heat and wacking the cr@p out of metal.
I agree with Bernd. I think I would try making a plug.
Eric
Kludge:
--- Quote from: Brass_Machine on July 31, 2008, 11:17:57 PM ---Nah its fine here. Heat and wacking the cr@p out of metal.
--- End quote ---
I think I'm going to borrow (read as: steal) that description of forging. ;D
--- Quote ---I agree with Bernd. I think I would try making a plug.
--- End quote ---
Okay, cool. So now I find the inner dimensions at the bottom of the brass just before it gets all heavy and stuff for the base. And I think I even know where to find that information.
Best ergards and many thanks,
Kludge
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