Low Pressure Moulding Toolsets

Design & Manufacture of Low Pressure Moulding Mould Sets & Tooling

Mould sets for low pressure overmoulding are normally manufactured from aluminium and precision-machined to form the features of the desired part. Aluminium is well suited for mould-set manufacturing due to its excellent heat transfer properties (i.e. short cycle times) and is economical from a cost and time perspective.

Aluminium mould-sets are relatively soft and care must be taken not to damage the cavity surface. If the component to be over-moulded has steel or hard glass filled components, it is recommended to have steel inserts in the mould cavity to reduce any wear on key tool components. This is generally required when moulding connectors. Mould-sets can also be manufactured from tool steel such as P-20. It may be required to cross drill steel mould-sets to ensure sufficient cavity cooling.

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