Partnership by creation
 
Partnership by creation
 
Partnership by creation
 
Partnership by creation
 
 

Gravity die casting

Gravity die casting, also known as permanent mould casting or chill casting, is a process in which the molten aluminum is poured into a steel mould or casting die without any external forces. Gravity die casting is ideally suited for casting assignments where very tight size and casting tolerances are required. Vostermans Alu Foundries has the required expertise and experience to complete any gravity casting assignment to full satisfaction. The cooperation with partner companies, provide a wealth of experience in the planning, designing and delivering of products and ensure their products meet the highest quality standards.

 

Production process

The casting process begins by preheating the mould to 150-200 °C to ease the flow and reduce thermal damage to the casting. The mould cavity is then coated with a refractory material or a mould wash, which prevents the casting from sticking to the mould and prolongs the mould life. The mould’s lifespan is also influenced by the size, the shape and the complexity of the product. After the coating, sand or metal cores are installed and the mould is clamped shut. Molten aluminum is then poured into the mould. Soon after solidification the mould is opened and the casting removed.

Vostermans Alu Foundries maintains an advanced quality control procedure during the entire casting process.

Advantages of gravity die casting:

  • The use of a permanent mould, which reduces material costs
  • The casting has a great dimensional accuracy
  • Relatively low investment costs.
  • Environmentally friendly production technique

shaping the future

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