This is topic 3D Printing Large parts in forum General Yak at 8mm Forum.

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Posted by Mathew James (Member # 4581) on September 19, 2019, 09:11 AM:
it looks ike the limitations of 3D printing may be a thing of the past now!!

HUGE 3D Printers

For our uses in film, this may not be so interesting since most parts are smaller, but on the parts that may be needed in future that may be bigger, its good to know they will be able to be printed...
maybe edwin will get one of these [Big Grin]
Posted by Brian Fretwell (Member # 4302) on September 19, 2019, 02:31 PM:
Print your own 2400ft reels?
Posted by Mathew James (Member # 4581) on October 12, 2019, 03:13 PM:
You can now print your own Lamborgini???!!!!

3D Print your own lamborgini!
Posted by Paul Adsett (Member # 25) on October 12, 2019, 04:47 PM:
The basic problem with 3D printing remains, namely that the material properties of many elements and wrought alloys , such as tensile strength, modulus of elasticity, and hardness, cannot yet be obtained. And surface finish of 3D parts is not even close to parts made by conventional machining or injection molding.
There is still a long way to go before 3D printing is suitable for most applications. But no doubt that these problems will eventually be solved.
Posted by David Michael Leugers (Member # 166) on October 12, 2019, 08:01 PM:
Paul what you say is probably true for any 3D printer that even a small business could afford, let alone home hobbyist machines. However, my son works for GE aircraft engines and tells me that the biggest gains made in new engine technologies is due to 3D printing of intricate engine parts made out of exotic metals. They are able to 3D print parts that are impossible to create the traditional way via machining techniques. The fact these parts can withstand the extreme environment and mechanical stress seems unbelievable. How far they have come with this technology in such a short time makes one wonder what will be the norm in a decade or two.
Posted by Paul Adsett (Member # 25) on October 12, 2019, 11:19 PM:
That's amazing news David, and yes the very nature of of 3D manufacturing, by the laying down of incremental layers of material, certainly permits the creation of just about any shape of parts. Also, whereas traditional parts machining processes are subtractive, involving the removal of material from a larger piece of material. the 3D process is additive and therefore wastes no material at all. The next 10 or 20 years should be really interesting!

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