samnang huot marco ferrettii - iccrom.org · 5 lost wax casting technique • preparing the wax...

1

Metal casting workshopLost wax technique

Owner : Mr. Douch Sonn and his familyLocation : Prei Sorvillage, Sangkat Prei Sor, Khan DangKor, Southern part of Phnom penh

Samnang HuotMarco Ferrettii

2

N


3


4


5

Lost wax casting technique• preparing the wax model (core material

can be seen as hollow cast)• applying fine-grain clay over the wax

surface• applying outer clay and attachment of the

crucible• firing, and • finishing the work


6

Preparation of the wax model


7

Applying fine-grain clay to the wax surface


8

‐ Fine sand‐ Fine termite clay‐ Cow dung

After applying the clay


9

Attaching the crucible to the mould with a mixture of clay and rice husk


10

Firing the mould


11


Removing the mould from the kiln and turning it upside down

12

Finishing the objects


13

Wax model

direct

indirect

Lost-wax casting procedure


14

Indirect technique

Original

Wax model

Cast

Coating the inside of the cast with a thin layer of wax


15

The wax model is covered with a thin layer of fine-grain clay

Input runner for the moltenmetal. It is made of wax


16

The layer of fine-grain clay is covered witha thick layer of coarse-grain clay

runners


17

The mould and the crucible, filled withmetal, are joined and sealed withcoarse-grain clay


18

More in detail:


19

The mould-crucible system isfired. The wax is burnt and leavesa hollow space. The metal melts.


20

Charging the kiln:


21


When the metal is molten the mould-crucible system isremoved from the kiln and capsized. The molten metal fillsthe hollow space.

22

After opening the mould:

As cast object Removing the blurrs Soldering

Finishing


Patinating

samnang huot marco ferrettii - iccrom.org · 5 lost wax casting technique • preparing the wax...

Documents