Quote:
Originally Posted by MikeyB
What you are looking for is usually referred to as a 'die', not a mould. Moulds are for pourable castings, whereas injection moulding uses high pressure as well as heat, to force the molten plastic into the cavities of the die.
My knowledge FWIW is more than 30 years out of date now, but in those days steel die-making was amazingly expensive - starting at tens of thousands of dollars and often running into hundreds of thousands (or more), for very complex, multi-item dies. I have seen lower cost, short-run dies made from cast aluminium, but those were only for disposable items where precision quality was not a requirement.
ABS is an engineering plastic and one of the more difficult materials in use for injection moulding, requiring pre-drying and precise temperature control. I think you will need a high-precision steel die if it is to be your chosen material.
An injection moulding company will be able to give a better idea of current costs and requirements, as well as the range of materials available that would suit your purpose.
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