doorsovdoon Posted October 23, 2020 Posted October 23, 2020 Had an order in for ten radio fascias for the Ford Capri and Morris Marina, it hadn't really occurred to me until recently that I could easily make re-pops of model kit parts! Something I think I might get into but we'll see, anyway, here's some pics of some of the castings, moulds, and various finished 1-1 car parts.
SfanGoch Posted October 23, 2020 Posted October 23, 2020 Wow! That's taking casting to another level. man! What did you use for the molds?
doorsovdoon Posted October 23, 2020 Author Posted October 23, 2020 It's just silicone rubber, Polycraft GB-3481-F with catalyst. I use SG2000 PU casting resin. I don't know how well it would hold up on something as thin as a model car body, 1-1 parts are far thicker, it's just another skill I'd like to try.
peteski Posted October 26, 2020 Posted October 26, 2020 You sure have the skills and materials for casting model parts. The parts you are casting look really nice, but what is in the first photo. It does look like a rubber mould for some radio bezel, but it is full of bubbles. That wouldn't make a good casting.
doorsovdoon Posted October 26, 2020 Author Posted October 26, 2020 13 hours ago, peteski said: You sure have the skills and materials for casting model parts. The parts you are casting look really nice, but what is in the first photo. It does look like a rubber mould for some radio bezel, but it is full of bubbles. That wouldn't make a good casting. The first picture is of a Ford Capri radio fascia surround. It's a two part mould and those areas with the bubbles don't get filled with resin, they press together leaving only the cavity around it ready to fill.
peteski Posted October 26, 2020 Posted October 26, 2020 Ah, I see what you mean now. Interesting how you were able to prevent bubbles in the important areas but not elsewhere in the moulds.
doorsovdoon Posted October 26, 2020 Author Posted October 26, 2020 25 minutes ago, peteski said: Ah, I see what you mean now. Interesting how you were able to prevent bubbles in the important areas but not elsewhere in the moulds. It depends on what the silicone is pored on, I think I used an old piece of wooden plank and plywood to make a box, it was probably covered in dirt too. So long as the part you want to cast is clean and you dribble the silicone in one area so that it flows over the part slowly there's no bubbles.
doorsovdoon Posted November 7, 2020 Author Posted November 7, 2020 Almost finished the order of radio fascias, I have to clean them up a bit and paint them but should be done in the next day or so. I'll be glad to get back to model building cos my kitchen is looking like a factory work station!
doorsovdoon Posted November 8, 2020 Author Posted November 8, 2020 11 hours ago, peteski said: This is what "cottage industry" looks like. The Mrs calls it "grounds for divorce proceedings"! xD
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