Our Manufacturing
processes are carried out with NOAC concept
(nex operation as customer) and entire activities
are controlled though online software.
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On receipt of the customer’s
drawings a single of multi mimpress
die is made by CNC machining of aluminum
blank. |
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Wax is then injected into the cavity
to create a wax component of the customer’s
drawing. The dies are generally automatic
and the injection process is similar
to plastic injection moulding. |
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The waxes are produced with feeders
i.e. inlet for the molten metal to flow
through. These feeders are then secured
to a wax tree to crate a wax mould assembly. |
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The wax mould assembly in now ready
to be invested in to various slurries
and refractories to create a ceramic
mould, strong enough to withstand molten
metal. This is crated by robot shelling. |
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After the mould build-up is complete,
it is then placed inside a steam autoclave
which releases the wax from the mould.
The cavity created by the lost wax can
then be replaced with molten metal. |
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The mould is fired in a furnace at
around 1000oc resulting in a high integrity
ceramic mould. Molten metal is poured
into the hollow mould, forming a cast
metal replica of the wax mould cavity. |
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The mould then solidifies and the
ceramic is removed. The individual components
are the removed by cutting though the
feeders. The feeders are then dressed
back by finishing and the components
are now ready to be finished as per
the customer’s specification. |