Thanks to long-standing partnerships, 2M is capable of supplying precise lost-wax castings.
To produce these precision parts it is necessary to make a mould by machining an aluminium or steel block from a solid block, with one or more cavities shaped like of the part to be produced.
Subsequently, by injecting the wax into the shell, many individual models are produced which are then gathered in a cluster by means of casting attachments; the next operation is immersion in a ceramic mixture and finally covering with a shell of powdered refractory material.
This operation is repeated several times until a shell is obtained thick enough to withstand the heat and pressure of the molten metal.
The moulds pass through high temperature furnaces so that they acquire the necessary strength for casting and, after the wax has been drained, the bunches are cast.
Once the metal is cool, the ceramic shell is removed using special suitable equipment; subsequently, every single piece is refined and sent to the laboratory for quality control.
The parts produced according to this specific process guarantee very precise dimensional tolerances and low roughness surfaces with no cosmetic imperfections.
Usually the process is used for the supply of small parts or applications with very specific size and assembly requests, such as:
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