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Wray wanted to show how to stretch and shrink aluminum in an extreme way! He starts by hitting a piece of aluminum with a heavy ball peen hammer in one spot hoping to fracture it. After a few minutes and a sore arm Wray decided to show how to take the bump out of the aluminum by heating it up and hitting it back down. Finally Wray shows that the stretch marks and imperfections can be taken out through the English Wheel.
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0:00
Music
0:09
Hi, it's Ray from Pro Shaper Workshop in Charlton, Massachusetts today We're going to do a little bit something different got a piece of 050
0:17
3003 aluminum half-hard if you haven't annealed it or anything you got it on my big giant beater bag
0:23
We're gonna hit it with this ball peen hammer We're just going to see the malleability of that aluminum very similar with the steel too
0:31
But we'll just try the aluminum today and what I'm going to do is I'm going to hit it here and I'm going to hit it here and
0:37
Here I'm going to hit it until it Fractures do you see how far the aluminum can be stretched
0:43
It can if I'm doing it in one spot. It's going to only go so far
0:47
But if I spread it out, it'll go a lot more but I'm just going to do it in that one spot
0:51
So let's see how many hammer blows it takes Now this is a pretty good have to have the hammer. I don't know how many pounds it is
0:57
But it's pretty good size hefty ball peen Trying to hit it in the same spot
1:15
We do our welding test we hit it about that high before it starts to fracture
1:25
It doesn't fracture on the weld it'll fracture to the side of the weld but
1:30
Just show you the inherent strength of the metal No fracture yet
1:45
No fracture yet
2:08
Now I'm just getting tired No fracture yet
2:22
Let's hold it there You can see no fracture That's a pretty good sized bump
2:31
And I always say metal is clay. So instead of doing the two, let's just do the one my arms not gonna hold out for the two
2:39
So let's shrink this back flat again I'll show you how we do it
2:45
We're gonna move over to a flat table And we're gonna shrink that down now we moved over to the nice three-quarter thick welding table here nice and flat
2:54
I've got one of my mouths we make Crunch those gathers up
3:05
You can see we up about no a little over three of an inch There no fractures showing or anything We going to clamp this up We going to light up the torch We get this warmed up
3:21
And we'll shrink that right back down. We've got a settling torch nice little Miko
3:26
beautiful little torch Light that up Little neutral flame doesn't matter that much as long as we get a lot of heat here
3:38
And I got my trusty snap-on hammer. I bought this in like 1966 when I was working at my grandfather's
3:45
I use this probably 80% of the time if I'm using a body hammer. I love this hammer
3:51
I think my snap-on payments are finally done. I just want to heat this up a little bit
4:14
It's pretty thin right here so it's going to have to thicken up
4:37
We got those little pockets that are open. We might have to hammer those out
4:45
Otherwise they'll get too hard of a crease around the edges of them. I'm going to get a dolly just to smooth out those pockets
5:00
I got my dolly. Just a plan. I shouldn't hammer dolly. I got a little machine tool holder here
5:54
A little bit at a time incremental
6:13
This actually right here is what you would do doing repass and chasing you create the volume And you chase it back again
6:38
Looks like a demon's face there with two eyes and a mouth If you have little chasing tools you could really enhance that whole look
7:21
Thank you. I
7:56
Was hurrying a little bit I've got a few little pockets in there if I had taken my time those pockets would be not there
8:05
but not bad Cut this with the bandsaw It would be pretty
8:15
the same thing Now it wheel out we can wheel that out and it probably looks pretty decent
8:24
Let's do that I'm gonna cut right now look at a wheel I'll wheel it for a few minutes and see what happens
8:30
Let's wheel it out See if we can get this shine up
8:42
Make a little pump there Oh See what's happening there is this is all
9:12
Cold forging now back together and that all this stuff will go away in a few minutes watch this
9:17
They'll probably pump it up a little bit, but it'll all go away That happens often when you
9:25
Elastic stretch on a beater bag with a mallet You'll get these little stretch scars
9:31
If you as long as you don't go too far Then you just wheel it out And those little stretch marks will go completely away
9:45
And you can see They're just getting smaller and smaller and they wouldn't even be this pronounced that I taking my time
9:55
Knocking those down those are residue from those little pockets Now this is typical thing you probably know when you want to get into the wheel a lot
10:50
of people have to do quick releases I don't use them just go in at 45 even
10:55
there's a lot of pressure to let you right in There's just about gone
11:19
There's one little resistant one there. And the back side looks like that
11:25
That just shows you the malleability of the metal. Metal is clay
11:31
You can stretch it. You can shrink it. You can stretch it. You can stretch it, you can shrink it
11:36
What you have to know is the limits of the metal. If you go stretch too much at once, it'll break
11:43
It'll have stretch marks and all that. This I could have avoided
11:47
I got two little dimples here still. I could have avoided those had I just taken a little more time
11:54
in those first dimples and hammered them out if they appeared. Sometimes they do, sometimes they don't
11:59
Now, we could cut this in half with the fan saw. We'll mic this up and see what it looks at
12:07
All right, so we're gonna cut it up with the bandsaw get a wood bandsaw cuts aluminum just like wood
12:32
right through the center of where we stretched it out so much
12:36
Metal display. Ray from Pro Shaper
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