Investacast have experience of investment casting for the following industries:-
Valve, Automotive, Marine, Communications, Aircraft, Military and Electronics.

Call Us Today on +44 (0)1271 866200 to find out how we can help you.

Investment Casting from Investacast

Investment Casting History

Investment casting, also called lost-wax casting, is one of the oldest known metal-forming techniques. From 5,000 years ago, when beeswax formed the pattern, to today’s high-technology waxes, refractory materials and specialist alloys, the castings allow the production of components with accuracy, repeatability, versatility and integrity in a variety of metals and high-performance alloys.

The process is generally used for small castings, but has produced complete aircraft door frames, steel castings of up to 300 kg and aluminium castings of up to 30 kg. It is generally more expensive than die casting or sand casting, but can produce complicated shapes that require little rework or machining. Investment casting is used in the aerospace and power generation, oil & gas, military, medical, commercial and automotive.

 Investment Casting Pouring in to Cast
Investment casting came into use as a modern industrial process in the late 19th century, when dentists began using it to make crowns and inlays. In the 1940s, World War II increased the demand for precision net shape manufacturing and specialized alloys that could not be shaped by traditional methods, or that required too much machining. Industry turned to investment casting. After the war, its use spread to many commercial and industrial applications that used complex metal parts.

Modern investment casting techniques stem from the development in the United Kingdom of a shell process using wax patterns known as the Investment X Process. This method resolved the problem of wax removal by enveloping a completed and dried shell in a vapor degreaser. The vapor permeated the shell to dissolve and melt the wax. This process has been evolved over years into the current process of melting out the virgin wax in an autoclave or FlashFire Dewax System.  

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