Terry_Cowan (16K)
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Created By: Jim Bailie


Jim Bailie Helve Hammer (38)
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9990138310282.jpg
parts of the arm
(36.05 KB)

I made the arm on mine 38 in. to fit on the bench if I had more room I would make it 4 ft. long.[see L/D]
9990137983479.jpg
air powered Helve Hammer
(62.28 KB)

9960137983481.jpg
air motor [ drill ]
(64.00 KB)

1/2 reversible drill Campbell Hausfeld PL1546 [Made in Taiwan] works great we'll see how long it lasts.
9990137983482.jpg
1 in. pillow blocks
(48.45 KB)

The big bearings I used are not necessary I think thease 1 in. are more then big enough.[and there cheap
9970179706129.jpg
00-030
(44.56 KB)

this is the test part after a quick planish on the planishing hammer.
9980179706129.jpg
00-029
(42.38 KB)

This is the way the test part looked after shrinking on the helve, no planishing.
9970179706128.jpg
00-028
(74.36 KB)

pull down as you pull out.poor helve design for shrinking dies. My bench is in the way.
9980179706128.jpg
00-027
(76.18 KB)

in and out just like using a pullmax.
9990179706128.jpg
00-026
(68.92 KB)

thumbnail shrinking dies with delrin upper die.These are the least agressive dies I have.
9960179706129.jpg
00-025
(73.33 KB)

upper and lower bumpers [stroke limiters]
9980173142667.jpg
00-024
(71.13 KB)

Hand crank on top is to control the height and power of the stroke
9980178847429.jpg
00-023
(81.58 KB)

I replaced the air drill with a sewing machine motor because the noise from my compressor was driving me nuts. both seem to work equally well.
9960178847430.jpg
00-022
(70.73 KB)

I wasn't watching the clock but this fender did not take 10 min. to rough in to this point.
9970178847430.jpg
00-021
(76.35 KB)

this pix is how the fender looks before one or two passes through the e-wheel to finish it.
9980178847430.jpg
00-020
(72.57 KB)

I pound in shape with a 3 or 4 inch storke.
9990178847430.jpg
00-019
(79.24 KB)

concave die puts the in and takes them out the flat die is for finish planishing
9960178847429.jpg
00-018
(76.45 KB)

I planish using about a 1 inch stroke
9970178847429.jpg
00-017
(76.13 KB)

one pass forms the tucks two passes shrink them out
9990178847429.jpg
00-016
(76.80 KB)

making a motorcycle front fender on the helve hammer
9970173142667.jpg
00-015
(64.85 KB)

Better pix of the die and holder.
9960173142667.jpg
00-014
(65.96 KB)

side panel for a 33 Ford fender done on the helve hammer still must be planished on the e-wheel
9990155950503.jpg
00-013
(54.52 KB)

this works as well as the frame [pix #012] but dies must be the same size [height] so the top die hits parallel.
9970151787725.jpg
00-012
(68.41 KB)

this die holder work well but I found that it was not necessary. [see next pix #013]
9980151787725.jpg
00-011
(72.96 KB)

this frame was made to use the nibbler dies in the helve hammer.
9960170714554.jpg
00-010
(57.78 KB)

finished fender still must be planished on the e-wheel but its smooth.
9990170714554.jpg
0-09
(62.78 KB)

little fender- I changed dies 3 times to make the fender. the tucks form and shrink very quickly.
9970170714554.jpg
0-08
(61.73 KB)

little fender first project using new dies
9960170714553.jpg
0-07
(74.09 KB)

the rubber bottom die [shot bag?] and the die holder are velcroed onto the stand.
9980170714553.jpg
0-06
(71.87 KB)

I have 4 dies male and female and the flat planishing die [flat die not shown]
9990173142667.jpg
0-05
(64.64 KB)

Flat planishing die, it is 4 in. dia. 1/2 in. thick. delrin. I made the dies out of delrin because I had it, the proto-type dies were fiberglass and worked well.
9970170714553.jpg
0-04
(56.08 KB)

the lower dies work so well I made a holder for them, the dies just drop in and lift out fast' easy and simple.
9980170540614.jpg
0-03
(55.93 KB)

this bowl did not take 1 min. to do and has not been planished
9990170540614.jpg
0-02
(79.36 KB)

first bowl from proto-type die
9980137983482.jpg
off set at the air motor
(63.76 KB)

the off set is 3/4 off center which gives you a 1 1/2 in. stroke.[ I think less would work as well]
9960137983482.jpg
helve hammer dies
(31.93 KB)

I have been using the dies I made for my Nibbler. As soon I get some time I'm going to make an adapter so I can use the dies from my planishing hammers
9980137983480.jpg
hard plastic pad
(80.52 KB)

The hard plastic pad on the table is 3/8 thick and used two smooth the lumps [planish] or tuck
9990137983480.jpg
one in. thick rubber pad 10 in. dia.
(67.90 KB)

works great and will last longer than a shot bag.
9980137983479.jpg
first bowls on the air helve
(69.76 KB)

the pics are of the prototype air helve hammer from the early steps to the finished hammer and are not in order




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