The proccess is known as peening and the proper tool for the process is a "ball
peen hammer". D. Smith
----- Original Message -----
From: Joe Sommer
To: rctankcombat@googlegroups.com
Cc: Michael Blattau
Sent: Tuesday, February 19, 2013 9:17 AM
Subject: Re: [TANKS] Re: Tyng T-Max Suspension Photos
On Monday, February 18, 2013 2:25:29 PM UTC-5, Michael Blattau wrote:
I think the term is "broaching" (not to be confused with the machining
process). We use a lot of PEM nuts (http://www.pemnet.com) in our enclosures
in which a press is used to force a fastener into a piece of sheet-metal.
Swaging is more akin to riveting. Swaging can be done with a hammer and punch.
Mike,
One again Herr Tyng has developed something that defies description.
He said that "he whacked it with a hammer" and then tightened the
bolt to keep it in place.
His process uses a toothed tool to plastically deform a workpiece by impact.
There is no metal removal.
Swaging is plastic deformation induced by impact or pressure and usually
involves a mandrel or die, not a toothed tool.
Broaching uses a toothed tool (generally for metal removal) and usually does
not involve impact.
Because I was not familiar with impact broaching and because only plastic
deformation occured, I detaulted to swaging.
His process is actually more like hand stamping a serial number into
a metal part with steel stamps.
http://www.mcmaster.com/#metal-stamps/=ljo5as
Lastly this conversation occurred just after the ceremonial
Opening of the Donuts Box, and I was on a sugar high from the
Ravens donuts with purple icing.
Joe
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