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Old 11-01-2017, 02:23 AM
crystallographic crystallographic is offline
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Default Kent's metal camp

Last Fri-Sun had 8 guys here with their focus on air hammering shapes.

I welcomed them to use my "Punishing Hammers" since four were up and ready to go: Mod's 2000, 3000, 3500 and 4000, with 6 motors in sizes #0,1,2,3,4,5 ... #6 (monster motor) was not set up for this class.

P1040469.jpg
Eldon Watson - 2nd gen bodyman, son is bodyman. Focus on reverses and helix and double compounds. Always asks the keen insightful questions. Photo-realistic airbrush artist - attends the competitions / top demos. Fine craftsman.

P1040470.jpg
Donnie Wanner, 30yr craftsman doing resto and kustoms. Started art metal art studio. Focus on conic reverses and re-shaping VW rear lid to eliminate lic.plate area, smooth. Does patina on art-cut stainless to simulate wood grain, marble, granite, etc for tree, waterfall, howling wolf/bear waterfall / bridge scenes. Real talent.

P1040472.jpg
Nick operates a long-time heavy fab shop in Kenai, AK. "Always doing something I've never done before." ... at age 70. Welds 7075 on log truck frames - after talking with ALCOA. Oil field stuff, gen'l fab, boats... Accurate, funny and thoughtful. Focus on expanding APH repertoir.

P1040478.jpg
Jackie is old friend of Nick's. Has restored two M37's, and currently owns a mil 4X6 (the rascal.) Shaping fish, cars and boats.

(My old Dodge M37 arrived Sun 5AM, and he spotted it outside our shipping dock - "Hey, where'd that M37 come from???" Surprised me -1) I never heard the delivery myself - and 2) he knew what it was and all about it ... It fired right up so I drove it over to parking and shut it off. (Everybody really likes that old '53 mil Power Wagon ... !!!)

So we all banged away on shapes.

P1040475.jpg
The fishing was good. Textured + shape at the same time.
Mild steel, 20ga.
P1040477.jpg
Radius bending, flowing the shape in curves, planishing.
3003 .063
P1040479.jpg
Shaped smoothly then planished a bit.
Mild steel, 20ga.
P1040481.jpg
End of Metal Camp: swapping contacts, sharing some yarn. (Several were re-visitors and several have had their APH's for many years.

The VW lid got re-shaped nicely, but no film or pix, that I know of.
After shoving the surface down, shrinking it and shaping it smooth I used Eldon's can of Quick Check and liked it. No reducer stink or residue.

Everyone graduated .... another metal camp.
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http://www.tinmantech.com

"All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919.
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Old 11-01-2017, 10:27 AM
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Steve Hamilton Steve Hamilton is offline
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Looks to be a fun and interesting group of shapers!

Thanks for sharing their projects with us!

Steve
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Old 11-01-2017, 11:32 AM
toreadorxlt toreadorxlt is offline
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very cool, wish i was there!
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Old 11-03-2017, 10:45 AM
crystallographic crystallographic is offline
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Thanks, you guys.

Steve, I wish you were here, too!

Here are some more images of the stuff these rascals whacked out --

P1040483.jpg
Bowl shapes: .035 copper, stretched, shrunk, planished and polished - no sanding/filing ...
.050 3003, rough stretched, edge shrunk, flange turned out, planished, rubbed with scuffy-pad - no "real" metal finishing.
.050 3003, conic bowl - started as std bowl, then shrunk and stretched into conic, until thickness at center was no more ....

P1040482.jpg
Reverse shape demo, using urethane soft shaping upper die and full radius lower ... smoothed with Non-Rotating reverse planishing die set. Hard buck/mockup is accurate to 1938 Waco gearleg fillet/fairing.

P1040485.jpg
Small demo (left) introduced shrink/stretch/reverse dies and methods of use, 3003 .050.
Large demo is Max, the compound reverse shape in 3003 (annealed twice), taken from .063 down to .017.
Four equal sides started at 14 inches ea and grew to 23 inches, total length per edge - as thickness went down to .017".
The four corners touch on this one ....

... and I think these are all of the photos I got from this group, so far.
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Old 11-03-2017, 07:29 PM
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RockHillWill RockHillWill is offline
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Way cool 'stuff'. It would be nice if we could all live in proximity to each other to have access to such talent. Thanks for posting Kent. I always learn something.
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Old 11-03-2017, 09:44 PM
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Default Kent's metal camp

Nice work by all he boys. Wish I could be there but...
Please educate me, what is APH?
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Old 11-04-2017, 01:46 AM
crystallographic crystallographic is offline
MetalShaper of the Month October '14 & April '16
 
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Default APH education

Quote:
Originally Posted by racer-john View Post
Nice work by all he boys. Wish I could be there but...
Please educate me, what is APH?
Air Power Hammer
(or, since it looks like one - an Air "Punishing" Hammer ... )

It was first clobbered together in 1987 with a 9x rivet gun, a 27lb CP yoke, and three CP planishing lower dies, using a large .498 flush rivet set upper die. I needed this contraption to make up a missing 1914 Mercedes fully-crowned rear fender, of 18 ga steel -very accurately, for a significant collector of "Edwardian autos."

It worked so well at shaping steel that I kept refining it and first introduced it publicly in April, 1995 at a major FL Fly-in, during Daytona Bike Week and Spring Break. And magically, 6 months after that, Harbor Fright suddenly offered their $149. "rivet gun planishing hammer" ... the first of thousands of rivet gun/panel ripper/air chisel/needle scaler - type benchtop lightweight metal buzzers sold nationally since then.....

Our current models, #2000, #3500 and #4000:
P1160452copy copy.jpg
Sometimes I have 3 machines set up when I am making production parts:
P1160809.jpg
because I set each machine for a given power and function: heavy stretching, shrinking, planishing - for instance, to save 25seconds per die change, or 40 seconds for each motor change (total one minute x 30 changes in 3 hours + loss of easy personal flow with the metal).

One early automotive aluminum damage repair job I did with this Hammer was this Aston DB4 (total, frame bent):
Aston 4.JPG
C3 Aston aluminum damage repair.jpg
H8 Aston aluminum damage repair.jpg
K11 Aston aluminum damage repair.jpg
L12 Aston aluminum damage repair.jpg
P16 Aston aluminum damage repair.jpg
Very little sanding and No filler needed ...

One of my students made this public SkyWall art in San Antonio using our model #2000:
02Wall5.jpg
03Wall3.jpg
04Wall2.jpg
05Wall.jpg
56x16_installed.jpg
.050 5052 H32
He could make one panel in 3 minutes, but then it was the only machine he used for shaping this Wall...

I've done a lot of work with the APH, and others have too.
I've posted some projects up on the TM Tech website that reflects the overall performance of this metal shaping/repairing machine ....

hope this helps ...
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Last edited by crystallographic; 11-04-2017 at 09:59 AM.
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Old 11-04-2017, 06:22 AM
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RockHillWill RockHillWill is offline
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Once more, I am more impressed Kent. It is evident that you have amassed a lifetime of experience, coupled with a gift of intellect, and I for one appreciate your taking the time to share. I know for a fact that Jim Hery loves this TM hammer. I do not know what size that he has, but he uses it often.

Kent's entire website is an educational visit worth taking, but here is the link to his air power hammers:

http://www.tinmantech.com/products/f...omplete-units/
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Last edited by RockHillWill; 11-04-2017 at 06:26 AM.
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  #9  
Old 11-05-2017, 02:47 PM
sblack sblack is offline
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Kent is the airplane fairing done with a linear stretch die like in your aph video?
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Old 11-07-2017, 01:59 AM
crystallographic crystallographic is offline
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Quote:
Originally Posted by sblack View Post
Kent is the airplane fairing done with a linear stretch die like in your aph video?
I have made a bunch of fairings with those linear dies since the 1990's, but I got a more complicated set to make recently, and wanted to try using more power, get fewer marks and see if that took less time to produce a more complicated shape.

P1040527.jpg
P1120369.jpg
I discovered that I could use a "radius-forming" bottom die with an upper contoured high durometer die for best results. Then I made a curved radius-forming lower die and used the same upper die for more aggressive shaped - and that worked nicely. It takes some serious pounding, but it is really no problem, and I have lots of power to spare before the metal fails, so it is a very comfortable method. I anneal once, only ... and then trim off the edge cracks once before I get my shape.

- and I can also make rocker panels of varying radii, in long lengths. I even radius-formed some .063 bronze, with no marking, just to see .... nice stuff. Have to get some images of that....
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