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Posted (edited)

Me and a friend started to have a look about "the foundry" and we could not resist to give it a try. So we will try to make at least our own helmets and maybe also our own armor.

We have a complete FX armor as a bad example here and an Anovos kit as a good example for comparison. We also have a CAP helmet, which we can use for comparison.
Since the vacuum table build - shown by mynock's Den - looks pretty easy, we decided to start with the difficult part. The mold making!

I guess the most difficult mold ist for the helmet face plate, so here is what we've done so far:

 

mold_1_s.jpg
HQ-Pic

We took a piece of would, wrapped paper and aluminium foil arround it and formed the (air drying) clay on top.
 

mold_2_s.jpg
HQ-Pic
 

this was all formed by hand and with the old kitchen knife, later we decided to use some more tools....

 

 

mold_3_s.jpg
HQ-Pic

details became more and more decent....

 

 

mold_4_s.jpg
HQ-Pic

especially when we decided to use a nail, a spoon and a swiss army knife as tools :D

mold_5_s.jpg
HQ-Pic

This is our current status. We left the mold for drying overnight and today we'll try to smooth the surfaces by sanding.

 

The plan is to make a silicon form to produce molds out of plaster of paris for the vacuum table.

We have two shop vacs and two 1000W spotlights, that we want to use for our vac machine.

 

Please give me some review and tips. Thanks a lot,

Danny

TK-55550

//edit: HQ-Pics added

Edited by Ripper_L
Posted

when i click the HQ-Pics link i get this: Diese Webseite ist aufgrund eines Serverumzugs derzeit nicht erreichbar. Bitte versuchen Sie es später noch einmal.

This website is being moved to another server at the moment. Please try again later.

  • Like 1
Posted

I don't know how your planning to use the spot lights but I tried them in my overhead oven and had problems with uneven heating. They might work better in an oven design with the plastic over the lights.

  • 1 month later...
Posted

No update for a while now, I'm sorry - we had to put together another TK kit :D

 

So here is, how we continued:

 

(At the end of this post you'll see our first pull!)

 

First we tried to improve the mold with more and different clay.

 

mold_6_s.jpg    mold_7_s.jpg

 

 

Here you can see the backside :laugh1:

mold_8_s.jpg

 

 

 

Then we wanted to make a silicon negative. Therefore we had to build this cube:

 

mold_9_s.jpg

 

 

The silicon was ugly, but (we thought) it worked pretty well.

 

mold_10_s.jpg  mold_11_s.jpg

 

 

Meanwhile the silicon was drying, we started to build our vacuum machine.

 

mold_12_s.jpg

 

there were a lot of holes to drill :blink:

 

 

 

This is how the silicon looked like, after drying:

 

mold_13_s.jpg

 

Unfortunately our original mold broke during this process, so we decided to make a new one out of plaster of paris using the new silicon negative mold.

 

 

The new mold was great, but the silicon was rubbish. :angry:

 

mold_14_s.jpg

 

 

Now we had to work on the new mold, sharpen the edges, and smooth the surface.

 

mold_15_s.jpg    mold_16_s.jpg   mold_17_s.jpg   mold_18_s.jpg 

 

 

 

To get the styrene pulled deep inside the eyes, teeth and mic tips, we decided to drill some holes through there:

 

mold_19_s.jpg


 

Afterwards, we continued with our vacuum machine and some fun :peace:

 

mold_20_s.jpg

 

 

Since we didn't want to have an ugly vacuum machine, we decided to paint it!

 

mold_21_s.jpg   mold_22_s.jpg

 

 

 

 

 

This should become our heating element:

 

 

mold_23_s.jpg

 

 

Those two 1500W spot lights are very old and produce more heat than light :P

 

mold_24_s.jpg

 

 

To get a smoother surface and protect it from breaking, we decided to coat our mold with some blue wall paint:

 

mold_25_s.jpg

 

 

We finished the vacuum table and the heating element:

 

mold_26_s.jpg   mold_27_s.jpg

 

 

 

 

 

This was our whole setup:

 

mold_28_s.jpg

 

 

 

We started heating up the styrene, controlling the temperature with a laser gun:

 

mold_29_s.jpg

 

This is unfortunately not shown on a picture, but we decided to cover the styrene with aluminium sheets, which made it heaten up much faster!

 

Then we tried our very first pull...

 

mold_30_s.jpg

 

 

and our vacuum table...

 

mold_31_s.jpg

 

 

... simply imploded! :6:

 

mold_34_s.jpg
 

The damage was massive:

 

mold_35_s.jpg

 

Also on our mold:

 

mold_36_s.jpg

 

 

But I think the outcome is not too bad for a first trial:

 

mold_32_s.jpg   mold_33_s.jpg



But we are not giving up!

 

We started to make the backside of the helmet and repaired our faceplate. Although we will have to smooth the surface down much more!!! :icon_bow:

 

mold_38_s.jpg   mold_39_s.jpg

 

mold_37_s.jpg

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