All the action takes place in an enclosed space which has been heated to 180°C. First, the selected powder is spread out evenly over a plate then an infra-red laser beam is passed over this powder to both burn and solidify it. This process carries on, layer by layer, until the object has reached its form in 3 dimensions.
Dependant on the type of powder used, this process makes it possible to manufacture, without the aid of any tools, functional prototypes
Having a granular aspect, the prototype is more solid than one made with Stereolithography, but it is also less precise.
This process of powder sintering using lasers offer the advantages of assembly components which are intended to be handled and it shows the same characteristics one would expect from die-casting.
The polymamide powders, PA11 and PA12, are employed for their mechanical poroperties and they can be charged with glass beads (GF) to improve the behaviour in termperatures between 130-150°C
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