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Duplicating parts with a one side silicon mold

-Duplicating parts
You can duplicate parts with silicon molds and casting resin.

Molds has two kinds called one side mold and double side mold.
I comments about one side mold in this page.
The one side mold can only duplicate flat things.
(Medal form, Plate form)
*Details of duplicating parts with a double side silicon mold are here.

-How to make silicon mold
1.Make original form
Make original form with Plastic sheets, Polyester putty, sculpey.


A example of original form made from Polyester putty.

←120g ←1kg

A example of original form made from Polyester putty.
After this , use this original form.


Sculpey.
-Store:Art supplies shop
-Price:2000Yen (about 100Yen = 1dollar)
It's sold all over the world.



2.Make a frame with brocks for duplicating.


Brocks for duplicating
-Store:Toy shop
-Price:500Yen (about 100Yen = 1dollar)

The commodity of this photo is sold only in Japan.
But, I think there must be similar things in outside of Japan.

3.Put on the original form center

4.Weigh while you are pouring silicon to a polyethylene beaker
You must weigh with a measure.

The beaker has divisions, but don't use it. Because it's divisions for water.
(The water is different from silicon in weight.)

Using paper cups is also OK.


Silicon
-Store:D.I.Y shop,Toy shop
-Price:3000Yen (about 100Yen = 1dollar)

Digital measure
-Store:D.I.Y shop etc
-Price:2000Yen (about 100Yen = 1dollar)


Polyethylene beaker
-Store:D.I.Y shop,Toy shop
-Price:300Yen (about 100Yen = 1dollar)

デスポポリビーカー500cc×10pieceセット

デスポポリビーカー500cc×10pieceセット
価格:945円(税込、送料別)


5.Mix hardner of proper quantity harder with a stick.
Proper quality is written in a package.
Weigh correctly.


6.Drip silicon from the stick to the original form. And cover the original form.
Don't pour in one go. Air bublles are made if do that way.
After covering, spray air with Air duster. Air bublles are disappeared.



7.Pour silicon


8.Wait untile hardening.
Hardening time varies according to commodity.
Early thing is about 8 hours. Slow thing is about 24 hours.

9.Take off frames


10.Complete


-Duplicate
1.Paste Silicone Barrier with paint brush.
Taking off becomes easy if painted this.
You can take off if don't paint this. But the mold becomes to easy to be broken.


Silicone barrier
-Store:D.I.Y shop,Toy shop
-Price:1000Yen (about 100Yen = 1dollar)
The commodity of this photo is sold only in Japan.
But, I think there must be similar things in outside of Japan.


2.Fit nozzle to can of casting resin.
This is commodity of sold separately.
It's easy to pour if you fit nozzle.


Casting resin
-Store:D.I.Y shop,Toy shop
-Price:3000Yen (about 100Yen = 1dollar)

Nozzle
-Store:D.I.Y shop,Toy shop
-Price:400Yen (about 100Yen = 1dollar)


3.Weigh while you are pouring casting resin to a paper cup.


4.Adjust until "A" riquid and "B" riquid are same quality.


5.Mix "A" riquid and "B" riquid


6.Pour to the silicon mold.


7.Wait about 10 minutes. take off if casting resin harden.


-Prepare for painting
Surface of casting resin parts has Silicone barrier.
Paints are repeled if paint it as it is. Then clean it.

Clean surface with "bure-kuri-n(one of Jpanese cleaning riquid for industrial use) ".
Clean with a toothbrush while spraying.


"bure-kuri-n(one of Jpanese cleaning riquid for industrial use) "
-Store:D.I.Y shop
-Price:900Yen (about 100Yen = 1dollar)

The commodity of this photo is Japanese commodity.
But, I think there must be similar things in outside of Japan.


Paint undercoats for casting resin after cleaning.


"Mr.resin primer surfacer"(one of undercoat for casting resin)
-Store:Toy shop
-Price:500Yen (about 100Yen = 1dollar)

"Purasahu"(one of undercoat for casting resin)
-Store:D.I.Y shop
-Price:600Yen (about 100Yen = 1dollar)

The commodity of this photo is Japanese commodity.
But, I think there must be similar things in outside of Japan.


Drying of undercoat for casting resin need about 3 or 4 hours.
Paint paints after drying undercoat.

-Supplementation part1
Cut unnecesarry silicon molds to scraps.
And increase quality with scraps.
However increase after covering the whole of orignal form.


-Supplementation part2
You may make many pieces.
Duplicating one by one takes time, then make silicon form can make many pieces at a time.


Complete.


Attention in the work
-When you uses a thing including the thinner(Bond, lacquer thinner etc) or spray, make good ventilation.
And wear a gas mask.
<-I'm using this mask.

-When you toast mterials etc, make good ventilation.
And don't breathe smoke, don't put smoke in your eyes.

-When you dig mterials etc with Soldering iron, make good ventilation.
And don't breathe in smoke, don't put smoke in your eyes.

-Don't use fire near the things which are easy to burn such as paint, thinner etc.

-When you finished using tools, pull an outlet.

-Read labels of materials and tools, and understand how to use.

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