Casting valentine love hearts with laser cut moulds //how-to
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- čas přidán 12. 02. 2020
- This is a novel method of creating pewter casting moulds using my K40 laser cutter.
A set of 5 slices is made, each with a set of four registration holes that will hold an M5 bolt.
The outer two slices are for strength only, the middle slice defines the shape of the overall casting.
The slices either side of the middle contain and engraving that I rastered into to give me a circle one one side and a heart shape on the other.
I used an in-joke that my Wife and I share for the message, but this could easily be replaced by something else.
Then the pieces were sandwiched together and a opening at the top enlarged with a countersinking drill.
I used my low-cost solder pot to liquify an amount of pewter and slowly poured that into the mould. Making sure I didn't let the metal cool and contract too much, I removed it from the wooden form to reveal the pewter love heart.
That'll do.
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Thanks for stopping by. - Jak na to + styl
Very clever! Great idea.
Very cool! I love seeing all the different things you can do with the laser cutter and some creativity.
Very cool! I would never have thought of using a laser for that.
Very nice!
I've found that using the dark brown HDF found at many hardware stores produces a mold that lasts longer. I have molds with more than 20 casts in them with lots of detail. After cutting, you have to use a propane torch to slowly scorch the surface. This removes any moisture and burns off any oils or other chemicals that cause bubbles. It also tapers the engraving a little by burning off the sharp edges just slightly.
Thank You for the advice , what I do too is taking the mold to a toaster oven for about 5 min before the casting and it works just lovely. Cheers from Sonora Mexico.
Hello ppl here to do homework