How to Prepare, Melt & Cast Gold [Jewellery Works]
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- เผยแพร่เมื่อ 29 ก.ย. 2024
- How to Prepare, Melt & Cast Gold (Jewellery Works)
This channel is for those who are passionate about the trade and looking for new solutions and tricks to better themselves.
I've been making jewelry (Jewellery) completely by hand for over two decades now.
Here is a Step by Step Guide on How to Prepare, Melt & Cast Gold (GoldSmith)
We manufacture jewelry (jewellery) by hand. In this video, we share some insight into the process of making a Platinum and Diamond Pendant. Enjoy, Thanks for Watching!
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Tags
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I hope you guys enjoy this one. I had a lot of fun making it.
Hi 👋 thanks for the music and vid can u show the casting process
@@rippy4freedom You are welcome 🙏🏻 - I must see if I can do a good casting video. Noted 👍🏻
When you do work like this, what happens to the gold dust and what sticks to your saw blades, grinder bits, sand/polishing papers? Would make a neat vid that shows recovery 🤔
Thanks for the tip. As soon as my bench scrap in the container reaches the top I will press record - keep an eye out.
Hi , if I have 10 grams of 24k how much Brass an silver in grams do I add to make 9ct gold , please help
Mix your 24ct down to 22ct by adding copper. Then mix the 22ct down to 18ct by adding pure silver. Then mix the 18ct down to 9ct using brass. That will give you a lovely 9ct yellow
I will post the formula next
Here is a guide to two decimals. 0.91 copper and 2.42g pure silver should convert to 13.33g of 18ct when you add the 10g of pure gold. And then you can add the equal amount of brass (13.33g) which will then make 9ct. Hope this helps. Use a diamond scale for accuracy. Good luck.
@@jacothejeweller amazing thank you really helpful , yes can you do it with the weights in grams aswell , I look forward to more vids thank you
Just curious why would you want to dilute down? Is it a quantity over quality type of idea or...?
@@dads_diy - a situation where an old 22ct wedding ring gets passed down the family and you have sentimental value attached to the metal and you would like to add a few 18ct chains which have all broken and really want another 14ct bangle to match the ones you got that time you visited Egypt because you have a new granddaughter on the way and it’ll only be fair. That’s one reason.
why not use 18K gold test on the silver if it's fine silver 99.9 it will look a battle ship gray and if it's 925 sterling it will look fluorescent blue
finally after 1 hour and 30 minutes I find a really good jewelers channel. P.S i knew this guy was fawking legit when i saw that iron maiden t-shirt in the intro.
😂 welcome 🤘🏻
Haha, totally agree with Jake the jeweller, I used to work for a refining company starting off as the scrap melts guy, teeth turning up with blood still on them was the worst 🤮 Love your vids👍👍
Lets not go there Rob - questions like why is there blood on the tooth should rather be left alone.
Quite interesting. What country are you in? Here in the US we have 24 carat, 22 karat, 18 carat, 14 carat and 10 carat. They are respectively 100% 80% 60% 40% and 20% pure gold
I’m in the UK 🇬🇧 - I see a lot of 10 and 14 carat around but it’s definitely more of an American standard as you say. But just a small pointer here, 24ct is typically sold as 99.9% - The way to determine the percentage of fine gold in a particular carat is to take the carat’s number and to divide it by 24 - example, for 22carat, divide 22 by 24 and you will see that is 0.9166 (91.6%) so using the same formula, 18ct is 75%, 14ct is 58.3% and 10ct would be 41.6%. We use 9ct this side too which would be 37.5%. The Uk 🇬🇧 runs an assay service which means that every item must be hallmarked and tested so we must be very particular or it will be returned or can be destroyed.
thank you!
@@lamaisonbel you are welcome
Sorry you did not make a casting of gold, just a lump
Thanks for the comment 👍🏻 I cast the gold to roll out into sheet so to make jewellery by hand. So that lump of gold is perfect for manufacturing. I will be covering the ‘lost wax’ casting method in the future, so keep an eye out.
@@jacothejeweller I will watch for it, thanks. I want to cast a gold thread of my signature WAHIII
So in GTA five after they robbed the jewelry store......this is why we had to wait so long for our money.?
😂 we?
that was the dumbest most wasteful way to get stones out of a ring...
The stones came out quick and without damage. That’s the opposite of dumb and wasteful in my world. Thanks for the feedback though.
can put the magnet in a small clear plastic bag, then just pull the bag of the magnet when done
That makes a lot of sense. Thanks. I’ll try it next time
I thought it’s funny u used a gold zippo considering it’s what I clicked the video to learn how to make
That sounds like a great video to make 👌🏻 Have you done it? Send over an image.
Label crucible with pencil ✏️
Your very quiet
That mount for the bench pin is amazing! What is it?
grs.com/ 👈🏻 lovely stuff.
Thanks for the video. I always find when I roll old melted gold, it often cracks. Do you know how to overcome this problem. Many thanks Craig
Really enjoyed watching this video, love the inclusion of your tips, definitely took some of the fear out of casting and I will never have inclusions in my lemel again! Best wishes Caz
Carol, I will soon be doing a video regarding refining, which will deal more with recycling scrap -
Thank you I look forward to seeing it, love your videos Regards Caz
Carol Wade thanks Carol 👍🏻
What torch set do you have?
I use a Smiths little torch - it does everything I need from small castings up to about 40g to platinum fusing.
Ive heard of using "borox". Boric acid for flux for Brass. will it work for gold?
Very informative
Thank you 🙏
What about 10k and 14k? Isn't 14k the best?
Hey Bryant, the higher the number, the purer the gold is. So if you are looking at 24ct, then that’s 99.9% pure gold. 22ct has a bit of alloy then 18ct has a bit more and so it goes. So with 14ct gold, a little over half (58.3%) of its weight would be pure gold and 18ct would be 75% gold. That means that the higher the carat, the more gold it contains.
Right on man. Thanks for taking the time out to help with my question. I've always liked the look of 14k. 24k to me looks super cheesy and fake. But I am now aware of its being pure gold
I hope I can be fluent in English just to understand every knowledge of this video
Khabir, thanks for this. What language are you fluent in?
What size and grit wheel do you use to polish at the end?
The worst is teeth
Jake The Jeweler - I hear you man. Some voodoo mixing going down in the dental labs.
this was a great video, and loved to see a couple of things that I have never seen before! I am really curious why you polish up your ingot before rolling it out? do you think it decreases cracking? Love your videos!
Hey Zoe - thanks for the lovely message. I use an abrasive wheel as a final prep before rolling. This is to make sure I remove any of the rough finish from casting and that no flux is left when rolling. I go through the usual steps to clean the metal before this. I just like to see the metal clean to the maximum as I’m working it through.
Hydrochloride? Or what acid, I’m fairly knew n might be sitting on a gold mind, I’ll definitely donate to u when money rolls 🌐
It's a mix of acids. They do have HCL in them.
i really enjoy this this video, and i have a question..how long took you to melt that how many grams was it ?
Thanks Roki, and a very valid question. The simple answer is - I have no idea now and also (to myself) why wasn’t that in the video?!
What I can say is that the cleaner your metal is, the smaller the loss. I aim for a 6% loss in weight but hey, we all have dreams 😂
I live in North Georgia
That was very interesting and learned a lot ! Thank you for making that video so clear and simple
Thanks for that 👍🏻
Yo
Do you need to use a flux or anything when repurposing old jewelry? Or will it melt into a gold bar and still maintain it's color?
Joe O'Connor I use flux to bind the lemel. If you keep working with the magnet until there is no result and your metal was isolated before this process, then you will have the same color. There are some technical issues with metal mixed with brass as brass consists of copper and zinc. When heated too long, the zinc will burn out and you might find that your gold leans towards a red color. But gold like 18ct should remain the same. Hope this helps.