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-   -   double seam in round sheet metal boxes (http://www.sheetmetaltalk.com/showthread.php?t=2760)

bvaks 12-03-2016 05:23 AM

double seam in round sheet metal boxes
 
hi i have tried to make a double seam for the bottom of round and oval boxes.

i use hammer and anvil but the inside is not nice what to do?pexto has

machine for this and the results are looks nice please advise baruch

tinstructor 12-06-2016 10:41 PM

tools needed for double seam
 
You'll need an Easy-edger,swedger, and setting down wheels.

bvaks 12-10-2016 07:21 AM

double seam for attaching the bottom of the oval box
 
hi.thank u for the answer i tried but i dont think it is the method ,can u explain pls baruch

tinstructor 12-11-2016 11:24 AM

What exactly is it that you don't understand ?

bvaks 12-12-2016 11:17 AM

double seam for attaching the bottom of the oval box
 
thank u very much for your answer. the main problem for me in the process is after folding the bottom on the box flange by hammer it fold again to the the body box first to about 45 degrees and then flatten what beads should i use for the 45m degrees step thanks again baruch

tinstructor 12-15-2016 02:19 PM

For45 degree on double seam...
 
You should use the swedger wheels to gradually( 2-4 times around) bring it up to and past 45 degrees. Bring it up as far past 45 deg.as you can,just to the amount that you don't start to make a flaw in your box or main object. (Do you know what a swedge wheel looks like ?) I can send photos of the 3 machines.yt

bvaks 12-16-2016 09:38 AM

pictures
 
thanks pls send me a picture baruch

tinstructor 12-18-2016 09:38 PM

photos of hand machines for double seams on round cans,etc.
 
1 Attachment(s)
this first pic is of swedger wheels.

tinstructor 12-18-2016 10:34 PM

elbow lock(half round groove)
 
1 Attachment(s)
next is the elbow lock.

tinstructor 12-18-2016 10:45 PM

setting down wheels
 
1 Attachment(s)
next are the setting down wheels.


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