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I made my own jig to sharpen them.Tried the crocker one and didn't have much luck with it I now have the sharpest gravers ever but still cant engrave lol

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Its usually has nickel. copper, zinc ,lead and anything else they can find to put in it that is not silver or precious lol.

Also look at millgrain tools

good luck have you tried Argos ?

https://www.ebay.co.uk/itm/30W-493-Solder-Iron-Smoke-Absorber-Fume-Extractor-Air-Filter-Smoke-Fan-Tool/184430687789?hash=item2af0ecf62d:g:OgYAAOSwgdlfUJ-J


I use one of these they have a...

Copper that makes the red is not as nice to work with it is more tricky to cast and work with than yellow or white in my experience. so I guess the redder your make it by adding more copper the more...

You can get magnetic shot that's stainless, that's how a magnetic pin polisher works the pins are stainless too. you can also get magnetic Platinum as well if it has cobalt in it !

Merry Christmas everyone and thanks Dennis for contributing so much to the forum makes it a good place to be, have a good one !

Yes from the mould of the master, but the copies will all be the same size this shrinks again because your making a wax copy for the second time. most of the shrinkage is in the wax injection.

the fisrt one is cast and polished then a mould is made from this its called a master and copys can be made from that by injecting wax into it but they will be smaller than the master as you have 2...

lovely work

You need to run the pins to round them off. It will make it matt cause the edges are sharp. fill it up empty or with some big ball shot in it if you have some then run for a few hours. I don't bother...

Ah cool that's a nice idea, Silver is easier you can melt it with a plumbers torch. You will need to make the claws a bit heavier in silver as its quite soft as a material. You may need to drill a...

I would possibly make it from wire etc depending on your design. Casting can be a pain if you haven't done it before. Platinum especially so, you will need a lot of metal to use delft cast method...

https://www.youtube.com/watch?v=OQ9rTLQXmZ0&ab_channel=Beaducation

this is a cool tool for making them

How hot is the water in the machine ? It needs to be room temp apparently from memory those machines are set at 40 deg C. but that could of changed this could possibly have an effect

That's good then you have researched it independently of the interweb. I'm glad I could help.

If your having thousands made, you can afford to pay for samples then you can decide if they are upto your standards. How do you know they are fair ? Because the interweb says so ? I personally...

Usually its based on volume you will have to pay for masters and moulds too then you get tax and duty as said above.

sand casting does not really give the detail required for jewellery casting. There is a system called delph casting that is gravity casting but its limited

As China said above you need to heat the flask in a burnout cycle so maybe 200 deg c then upto 720 deg c then drop to casting temp maybe 550 deg c then while its hot use vacuum or centrifugal force...

Microscope for me too. I think its one of my favorite things , Its probs the best thing I have purchased to improve my setting

I have a NSK micromotor and I love it but..... I would buy a Foredom or equivalent pendant motor again before another micromotor they are more useful the micromotor is awesome for stone setting and...

I imagine it would be in french !
I know its not a book but the stone setting courses offered here are great https://www.jewellerytrainingsolutions.com.au/