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12/10/2013 12:21:21 AMquand harry rencontre sally restaurant vf Coppersmithing/Sheetmetal Question 
rencontre fille de kinshasa
Redwood Falls, MN
51, joined Dec. 2010


I posted here because I know my fellow country folks are knowledgeable, creative, self-sufficient people who are used to doing things themselves. Here is my question:

I do not know the proper terminology, but I was wondering if anyone out there would know how a person (obviously without industrial machine equipment) could create a 90 degree double bend flange on the end of a 18 inch diameter cylinder formed from sheet copper, in order to capture and make watertight a gasketed flat circular/disc shaped end piece made of that same sheet copper? Visualize a "J" where the curved part of the "J" is bent/rotated to the right 90 degrees. What comes to mind is some type of bead/flange roller but I have only seen those things used for flat sheet metal, not cylindrical. I just do not get how a person puts a 90 degree bend in a cylindrical piece of some type of sheet metal, let alone a double bend, without tearing the material on the 90 degree "out" bend or wrinkling the material on the 180 degree "in" bend. Thanks much for any help or guidance.

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12/11/2013 12:40:24 PMrencontre avec teddy riner Coppersmithing/Sheetmetal Question 
proverbe hasard rencontres rencontre pouzauges 85700
Over 10,000 Posts!!! (270,755)
Assumption, IL
68, joined May. 2010


sure ... first you learn the coppersmithing trade from a professional coppersmith ... then you should know not to ask silly questions.

2/12/2014 1:18:44 PMrencontre comptable Coppersmithing/Sheetmetal Question 

rencontre femme comorienne
Atlanta, GA
57, joined Dec. 2013


oh Cup.only you would say that.

2/12/2014 1:30:35 PMrencontres pour une soiree chaude Coppersmithing/Sheetmetal Question 

prostituée luxe lille
Atlanta, GA
57, joined Dec. 2013


oh Cup.only you would say that.

4/16/2014 9:23:07 PMrencontres sportives pouliguen Coppersmithing/Sheetmetal Question 
gurrrr529
Purcell, OK
42, joined Feb. 2014


Quote from lo_stress:
I posted here because I know my fellow country folks are knowledgeable, creative, self-sufficient people who are used to doing things themselves. Here is my question:

I do not know the proper terminology, but I was wondering if anyone out there would know how a person (obviously without industrial machine equipment) could create a 90 degree double bend flange on the end of a 18 inch diameter cylinder formed from sheet copper, in order to capture and make watertight a gasketed flat circular/disc shaped end piece made of that same sheet copper? Visualize a "J" where the curved part of the "J" is bent/rotated to the right 90 degrees. What comes to mind is some type of bead/flange roller but I have only seen those things used for flat sheet metal, not cylindrical. I just do not get how a person puts a 90 degree bend in a cylindrical piece of some type of sheet metal, let alone a double bend, without tearing the material on the 90 degree "out" bend or wrinkling the material on the 180 degree "in" bend. Thanks much for any help or guidance.




You should try asking the guys on the website tractorbynet.com. Go to their forums and scroll down to the Build it yourself section. Lots of talent there, lot of people with good knowledge and engineering skills.
Good luck!