The process of Vacuum Casting refers to the creation of a geometric object from a silicone mould. It is widely accepted as an alternative to low volume manufacturing. Vacuum Casting is an easy way of creating a replica of the original component.
In order to produce a replica, there must be a master model. This master model can be 3D printed, created with CNC machines or manufactured using any other method. Creating a master model can take time but Vacuum Casting saves a significant amount of time in the overall manufacturing cycle.
First the master model which is the desired form of the product is situated in a closed environment. Then a semi-liquid moulding material, silicone is placed around it which forms a thick coat. The curing time changes depending on what type of silicone is used. At this point, the mould should not be touched or moved.
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