Preparation of ceramic moulds used for precision investment casting: the process is based on the production of a wax pattern,an exact replica of the finished alloy casting. The wax patterns act as templates for making ceramic moulds; the wax is subsequently melted & drained from the mould to make room for the cast metal alloy. Individual moulds are formed on separate units,made by coating the various wax patterns in liquid ceramic & drying in air & ammonia gas. Photographed at NGL,Chard,Somerset,who make a range of products from simple steel castings to complex,heat resistant alloy components for aero-engines | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Johnson, Ben |
Bildgröße: | 4218 px × 4169 px |
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