Investment Casting

Description

The investment casting is a process specialized in the production of all low-melting alloys that require good dimensional accuracy, high geometric complexity, undercuts, thin thickness, closed volumes, low roughness and details reproduced more faithfully than those obtainable by sand casting.

Materials

This process fits with all low-melting alloys: aluminum melts are the most requested (for example A357, EN43500..).

Gallery

The investment casting allows to reproduce details more faithfully than those obtainable by sand casting.

Examples of realization

Clients

	Smoothed	Satined	Glossy	Painting	Soft Touch Painting	Chrome finish	Transparent
EN43500-AlSi10Mg Alloy	x	x	x	√	x	√	x
EN43100-AlSi10Mg Alloy	x	x	x	√	x	√	x
A357-EN42200 Alloy	x	x	x	√	x	√	x
ZAMAK15 Alloy	x	x	x	√	x	√	x
EN46100-AlSi11Cu2 Alloy	x	x	x	√	x	√	x
Brass (drops) M67/33 Alloy	x	x	x	√	x	√	x
Lega A356-EN42000	x	x	x	√	x	√	x

Purposes

This process is used to produce castings with dimensions very closed to request, for example: compressor wheels, components for electronic equipments, fuel injection systems for aerospace industry, heat exchanger systems, jewellery.

Benefits

Most of the advantages guaranteed by investment casting are:
– good surface finish
– possibility of producing complex shapes thanks to rapid prototyped patterns
– great dimensional tolerances
– high definition of the details
– slow cooling minimizes shrinkage and deformation allowing uniformity of the casting

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