Railway & Railroad Modelling, Electric Traction & Freight Cars
The mould needs to warm up to keep the metal flowing and moulten. The first piece is usually not a proper one but from there on they get better. It looks like an open top mould, easier to get fill with a two piece and less surface tension to fight.
I hadn't thought about that. Thank you.
The mould needs to warm up to keep the metal flowing and moulten. The first piece is usually not a proper one but from there on they get better. It looks like an open top mould, easier to get fill with a two piece and less surface tension to fight.
ReplyDeleteI hadn't thought about that. Thank you.
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