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Mould technologies

Casting takes shape.

Casting metal parts is one of the oldest known production processes. Metal jewellery and utensils were made by casting molten metals in a mould as far back as the Early Bronze Age. Discoveries that suggest small production series confirm this. The simplest moulds were used for one-off casting of busts and statues and were smashed to separate them from the casting after cooling: a technique that survives to this day in bell founding in the form of “break-moulds”. Nevertheless, it would be impossible to imagine our high-tech world without castings.


Overview of mould technologies:

  • Sand casting
    With sand moulding, the pattern is shaped in the sand. The pattern is then removed and the hollow space that remains is used to cast the molten material.
  • Waste-wax casting
    In waste-wax casting, small to tiny castings are produced using the lost wax technique. This process is characterised by its level of detail, dimensional accuracy and surface quality.
  • Chill casting
    In chill casting, the molten metal is poured through an sprue into a permanent metal mould, which is called a chill.
  • Disamatic
    The pattern is shaped vertically in the sand with high pneumatic and hydraulic moulding forces combined with very fine moulding sand facilitating a special surface finish and contour fidelity.
  • Lost-foam casting
    In lost-foam casting, liquid metal is cast directly in a polymer pattern embedded in quartz sand. The hot metal causes the thermal decomposition of the pattern, taking on its shape.
  • Diecasting
    In diecasting, the liquid material is compressed and solidified in a diecasting mould by means of very high mould filling speed and high pressure. The pattern required for this process is called a diecasting mould.