1 - "Porosity / isolated mass" defects  2 - "Porosity / hot spot" defects
3 - "Dimensional deformation" defects
4 - Example of design solutions 5 - Advantages of the "lost wax" technology
- The main advantages of "lost wax" technology are : Precision / surface finish / complexity of shapes
- close tolerances so as to minimise machining and thus reduce costs
- fine surface finish (Ra 3.2)
- freedom of design / complexity of shapes
- integration of several parts to save money
- thin surfaces
- a large choice of materials including non-machinable grades

We are available to comment on your plans by return.
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Note : To obtain close tolerances it may be necessary to optimise equipment by successive adjustments.