Quote:
Originally Posted by ktmmitch
Our 2 blocks of mould grade aluminium were 32"x24"x6" and were $1800 each.We machined away over 70% to achieve the finished product.
There is no cheap way to make a mould,only less expensive one's!!!!!!!

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If it makes you feel any better we have titanium blisks that get forged to shape and them machined to final dimensions. These get used in our jet engines and each blisk costs about $150,000. Occasionally someone screws one up and it gets scrapped

Luckily the factory I work in only deals with blades