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Printing verses Casting parts

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Privateer:
Being given a part to reproduce? I decided it would be best to reproduce it by casting a mold and then produce an EXACT match.
Maybe not the best area to post this in but given the situation? I do believe We need to talk about Casting also.

What do I mean by Casting?
We take a part, make a mold of that part, mix up some plastic and pour it into the mold.

Now I've been casting barrel bands for the AT-44 and BT-65 Hatsans for a few years now.
Any color you want. Actually takes less time then printing them once you have a mold.

So being this is Matt's area? What do you think of a sub area about Casting and pouring parts?

Insanity:
If the owners want to create a sub section thats fine.

Scotchmo:
I use investment cast aluminum parts made from the lost PLA process. The part starts as a 3D print.

Privateer:
Yes. But I'm talking about reproducing a part by making a rubber mold then mixing the plastic pour at this point.
Idea is to reproduce a part as exactly as We could.
My example is parts from a 1950's shelf. Easier to Cast a mold then pour it the do a 3D model.

Scotchmo:

--- Quote from: Privateer on September 27, 2022, 08:04:35 PM ---Yes. But I'm talking about reproducing a part by making a rubber mold then mixing the plastic pour at this point.
Idea is to reproduce a part as exactly as We could.
My example is parts from a 1950's shelf. Easier to Cast a mold then pour it the do a 3D model.


--- End quote ---

I understand. That could be a viable way to make a mold. What kind of plastic are you pouring?

Investment casting is for metal parts.

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