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SamP's latest activity
Help Support HomeBuiltAirplanes.com:
S
SamP
replied to the thread
Surface cracks in bent aluminum 6061-T6
.
No alodining or anodization of the part prior to bending. I did polish, then bend, then polished again on a subsequent part. I also...
Apr 3, 2021
S
SamP
replied to the thread
Surface cracks in bent aluminum 6061-T6
.
Thanks for your thoughts. Yeah, bending angle without cracking seems to be quite difficult. It's in the plans and is the part that is at...
Apr 3, 2021
S
SamP
replied to the thread
Surface cracks in bent aluminum 6061-T6
.
Thanks for the replies. It would seem that the only way to guarantee the bend radius in the second method is to have a steel rod in the...
Apr 2, 2021
S
SamP
reacted to
proppastie's post
in the thread
Surface cracks in bent aluminum 6061-T6
with
Like
.
the issue is the radius of bend.....both methods shown in the video the "bend radius" or the radius of the metal on the inside of the...
Apr 2, 2021
S
SamP
replied to the thread
Surface cracks in bent aluminum 6061-T6
.
Thanks for the feedback. The way I bent it was the second method shown in the EAA video (3:16)...
Apr 2, 2021
S
SamP
reacted to
Victor Bravo's post
in the thread
Surface cracks in bent aluminum 6061-T6
with
Like
.
Small cracks become complete failure almost immediately when the part is loaded. If your part is used to hold the compass correction...
Apr 2, 2021
S
SamP
reacted to
wsimpso1's post
in the thread
Surface cracks in bent aluminum 6061-T6
with
Like
.
When you bend on a small radius, the material at the outside of the bend goes through a lot of the strain available in that alloy. The...
Apr 2, 2021
S
SamP
reacted to
kent Ashton's post
in the thread
Surface cracks in bent aluminum 6061-T6
with
Like
.
There are many bend radius charts found with a google search. 1/8" (.125") 6061 calls for a bend radius of about 2.5 X thickness so if...
Apr 2, 2021
S
SamP
posted the thread
Surface cracks in bent aluminum 6061-T6
in
Sheet Metal
.
Hello All, I bent some 1/8" aluminum angle (closing the 90 degree to something smaller) and noticed some cracking on the surface, using...
Apr 2, 2021
S
SamP
reacted to
wktaylor's post
in the thread
Using solid rivets to fill holes...
with
Like
.
Solid rivets installed in all open holes... even tooling-holes and holes remaining after something was deliberately removed...
Apr 1, 2021
S
SamP
replied to the thread
Screws vs Rivets
.
So, that was my original thought as well, and it makes more sense to me than to replace with a 3/16 bolt or screw because the rivet will...
Mar 16, 2021
S
SamP
replied to the thread
Screws vs Rivets
.
Thanks all for the tips The rivet was supposed to be standard 1/8" pull type, stainless steel, protruding head for two 0.032" 6061T6...
Mar 16, 2021
S
SamP
posted the thread
Screws vs Rivets
in
Sheet Metal
.
I overdrilled a rivet hole and tech support suggested I use a screw instead of a larger sized rivet. I'm trying to understand why that...
Jan 30, 2021
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