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De Paardenstal Bronsgieterij en Galerie de Paardenstal
A Cire Perdue (Lost Wax Method)

We work according to the lost wax method, also called à cire perdue. This method is used to cast works of art and is also the oldest method of bronze casting (from ± 3000 BC.)

Waxmodels are heated in molds (±three days at 700° C) whereafter the bronze can be casted in these contramolds (at a  temperature of ±1150° C).

Small statues can be casted with a spoon. Statues from ± 10 kg and more are being casted with a "croes" and a "lummel".

Bronzecasting following the "lost wax method"

To make a waxmodel from a statue (indirect method) we use silicon molds. In these molds the wax is poored (hollow or massive), in this way you can become a waxmodel from a statue of stone, clay or other material.

Is the statue already made in wax, it is not always neccessary to make a silicon mold. In that case we speak of the direct method.


Schaapjes Mal Malwasmodel
The original models: Ceramic Sheep

A Silicon mold The (hollow) waxmodel from the mold

The (hollow) waxmodel gets a casting tap, casting channels and air channels before being formed into a second mold. This mold goes in the oven for 3 days at ± 700 ° C. In this contramold the bronze is casted.

Aangieten Ingevormd Uitgehaktafgespoten

the waxmodel with casting tap,

casting channels and air channels

the second mold which

goes into the oven

after braking the mold and being

cleaned with water this is the result

When the bronze is casted, the molds are broken, the bronze is being cleaned with water and the chasing of the rough bronze statues begins. The casting tap, the casting channels and the air channels are sowed of, holes are welded, and the casting skin is brushed. Also polishing a statue or a part of it can be part of the process. The last phase is the colouring or patination of the bronze. We do this by heating the statue and bring on different kinds of sours (a.o. ironchlorid, coppernitrate, zwavellever, salpetersour).

This colouring can also be done with "cold patina".

Geciceleerd Gepatineerd Opeenrijtje
chased coloured the process from start to finish