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Posted: 7/17/2008 3:26:36 AM EDT
Bravo company talks about their bolts being shoot peened as part of QC I guess.

What in the hell does that mean?
Link Posted: 7/17/2008 3:39:41 AM EDT
[Last Edit: 7/17/2008 6:09:43 AM EDT by mr_wilson]
Much like having the "rods" (part that directs the pistons up and down within the cylinders) from your car's engine "shot-peened" to relieve all the stress from them and make them stronger - the same principle applies to the Ar bolts sold by Bravo.

It's a metalurgical stress relieving process.

mike
Link Posted: 7/17/2008 4:43:17 AM EDT
How do they do it exactly?
Link Posted: 7/17/2008 5:02:32 AM EDT

Originally Posted By rightwingnut:
How do they do it exactly?


See here...

www.metalimprovement.com/shot_peening.php
Link Posted: 7/17/2008 5:05:47 AM EDT
Awesome link up, thanks.
Link Posted: 7/17/2008 5:07:53 AM EDT
they take cut steel rod or shot or other media and blast the part with an airgun, kinda like sandblasting. It's often done in a fixture and computer controlled to give a % of coverage.

It actually doesn't relieve stress but creates compressive surface stress. The good thing is compressive stress is not susceptible to crack propagation like tensile or sheer stress is.
Link Posted: 7/17/2008 8:20:22 AM EDT
Huh, who'd have thought. Interesting.
Link Posted: 7/18/2008 10:39:25 PM EDT
thanks guys

Good Karma to you
Link Posted: 7/19/2008 9:11:15 PM EDT
another marketing term to take your money
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