As experience Pattern Makers in the UK we have produced many patterns and coreboxes for the automotive industry. Generally patterns are manufactured for engine blocks, ancillaries and parts for transmission, even wheels.
Stage 1: Make Template of Original Casting
We started by making the split pattern for the engine block using the original casting as a template.
Stage 2: Corebox
Next we created coreboxes for the inside of the engine block. The inside of the corebox is in sections which can be removed.
Stage 3: The Final Set of Patterns
Once completed the patterns consisted of 2 boxless setups, split patterns and several coreboxes.