From a raw material to a container of light
Our challenge is to transform a material such as brass into a lightweight casing that encloses an infinite world of light. We refer to all our creations in this material as “the brasses”.
Working with cast brass is an intense procedure that requires dedication and passion. Brass is an alloy composed mainly of copper and zinc, with smaller quantities of tin, iron, nickel and aluminium.
The casting steps involve:
- melting the brass in “crucibles” at a temperature of 1,000°C.
- pouring the brass into special moulds from the crucible.
- extraction of the piece from the mould when cooled and cleaning of impurities.
With these temperatures, the result is a product that is extremely resistant and suitable for exterior lighting, as it is truly weatherproof.
Another process used with brass is spinning, which we will explain in a few lines.
Metal spinning is an ancient technique that involves forming sheet material to obtain a product with a rounded shape. In detail, a copper or brass disk of a certain thickness is rotated at high speed on a lathe and pressed against a metal form using a special tool, which allows the work piece to acquire the desired shape.
This process can be performed on a manual lathe, as it was long ago, or with the use of modern lathes. Metal spinning is a technique suitable for various types of metal, including iron, aluminium, stainless steel, galvanised iron, brass and copper of up to 3 mm in thickness, depending on the material. Spun products can be easily recognised by their excellent finish, which makes the outer surface extremely shiny.