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The casting and foundry industries are not renowned for their environmental responsibility. If you were to imagine a metal foundry, you might think about large amounts of molten metals, chemicals and wasted materials plaguing the environment.

There’s very rarely such a thing as a finished casting that comes straight from the mould. There’s always some amount of finishing work before the casting can be considered a finished product. In some cases, this could be simple surface finishing, such as powder coating, anodising or alochroming. However, in the vast majority of cases, there’s excess material to remove.

This excess material comes in a number of different forms on a cast part, such as sprues, flash and runners but what are they and why are they caused?

So you’ve had an idea for a product or been given the specification. The idea has been proven, prototyped and tested and it’s ready to go into final product design phases.

There are so many different aspects of product design, so many different nuances to be aware of. To help you on your way, we’ve put together a list of 7 important factors to be aware of when designing a product.