Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

 
 
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Spehro Pefhany
 
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Default Crimping large cable lugs without a crimper

On Thu, 13 Oct 2005 16:05:05 -0400, the renowned "Daniel A. Mitchell"
wrote:

jim rozen wrote:
In article , Lloyd E. Sponenburgh
says...


They always taught us in electronics schools, "Make a secure mechanical-wrap
before soldering; solder isn't glue."



Oddly this is actually incorrect. Yep, they taught the wrong
thing, but it is so widely accepted nobody ever questions the
mil-spec 'wrap three times before soldering' approach.

To convince yourself otherwise, make a simple lap joint using
stranded wire, with the lap being only two or three wire
diameters. Copper wire of course.

Then tension the joint until it fails by pulling on the wire
ends.

The joint does not come apart, even with standard 60/40 lead tin
solder.

Jim


Perhaps, but solder work-hardens ... a LOT.


It certainly cold flows a lot.


Best regards,
Spehro Pefhany
--
"it's the network..." "The Journey is the reward"
Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog Info for designers: http://www.speff.com
 
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