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Quality custom & restoration sheet metal work & repair
Its up and running great.
Upper tooling holder will have adpter plates welded.
Raised portion with liner stretch 90 seconds.
Smoothed with planishing die.
Kirmet the Power Hammer Rebuild
and it's For Sale
The upright is 4x6x3/8 wall and the arms and bracing is 4x4x3/8 wall and its rollable.
Starting the shrink.
Da sanded 80 grit.
I made a minor adjustment to the lower tooling position now faster, cleaner, shrinks this took about 90 seconds.
Lower tooling holder just sitting in place
I only use a single 3/8 spacer with the thumb nail dies.
I added a couple of more temporary spacers for tooling height adjustment.
Other side smoothed.
To me the upper arms look like frog legs AKA kermit.
Die change.
A quick repolish on the surface.
Checking fit with extra tooling holder.
Thumb nail die rework.
This set of dies had a square shank so I added material with the wire feed welder.
I trimmed the main spacer plate in my mill.
30 seconds with the liner stretch die.
I made these 2 mount plates 1 will be welded to the upper slide pieces and the other welded to the tooling holder.
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Danny Pascoe
Smoothed out about 1 minute.
It is for sale with base tooling a set of thumb nail shrinking dies a upper flat die and a couple of lower planishing dies $3750 or with more tooling an adjusted price increase. Lots of dies with the 13/16 shank are on line.
Several years ago I built this power hammer in my shop and it worked pretty well, it has a 1 hp 220 volt motor with a variable speed VFD foot control.
I will use a piece of this aluminum bar for one of the lower tooling spacers or shims.
18 gauge rough pounded in shot bag.
The tooling holders are fully welded now its time to move a couple things around and plug it in. If tooling is taller then what's in the machine I would just change the shim spacers, tooling change time about 3 min.
Final checking of alignment before welding to upper slide.
More to be added.
Next I put them in my lathe and turned them to the 13/16 diameter needed.
In for the first tuck or shrink.
Die change time 3 minutes and some dies 1 minute.
Installed liner stretch.
A few more passes it is really starting to shrink down.
19 gauge chanel.
About 8 in and out shrinks you can see it shrinking down.
After 4 passes in and out.
the shanks turned to size.
Upper and lower tooling is standard 13/16 shanks for planishing hammers so lots of tooling is available.
Aligned and ready to run for first time.
The variable speed foot control makes it real nice.