Bronze Casting With Delft Clay
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- Опубликовано: 7 сен 2024
- Annotated process video showing how to cast bronze using delft clay, from preparing the mold, to casting the metal and final cleanup.
Music: I Just Wanted to Make You Something Beautiful by Industries of the Blind - / industriesoftheblind
Your video is so easy to understand, I love it and I'm going share it on Twitter and my 2000+ friends that are ALL refiners or casters,Thank you for your videos.........
I like this method of casting through the side of the flask! I am just starting out and wondered why he was putting the original so far below the sprue hole... I think it will work well for me to try! I will be giving this a shot this afternoon, I hope my casting comes out as nice as this one! Great video!
I love your little fire brick crucible furnace
You are a great artist.
But, also, you teach your work very well by your videos.
I need to learn how to do this. The Music is killer, I love it.
Great video, thank you
Getting ready to cast a peice this shape thank you good video
Nice video with clear explanations and good music. I am inspired to do more delft clay casting.
Great video but I have a question that how long can we keep on using that burner or torch?I mean can we keep on igniting it for hours or do we need to give it a rest?it is dangerous to keep it on ignition for hours because it could get too hot or can we use it for as long as we want?
nice work
I'm just now starting to cast pewter and want to make an original coin of wax and have the same concern about packing the sand and breaking the wax coin. However I don't want to invest in silicone process now so will try the coin from green wax. Do you know of anyone who has used a wax model in delft clay and succeeded? Thx.
+Yama Biru I've actually used a wax model with delft clay directly, and it worked really well. My only concern with using wax with the casting in the video was that it took me four attempts before I got a proper casting in bronze, so I figured I'd make a more sturdy model so I didn't bust my original apart with repeated attempts. In any case, pewter is so much easier to cast, and flows much better than bronze, so you should have no trouble.
I also cast in delft clay, but I generally make the original models out of bone.
Forget pewter go with bronze throw that pewter into some molten copper and you’ll have a beautiful bronze alloy
EXACTLYSAME TECHNOLOGY REQVIRED IN INDIA!
Koji pesak koristiš za izlivanje kalupa
Where you get the casting box
hi, love the video, i started casting jewellery with cuttle fish; then delft clay( much better ) but can you tell me where you got your casting flask from,i have casting rings but some jobs need to be cast from the side. hope you can help...jon ))
+jon mccully I don't know where you're based, but I ordered mine from Gesswein Canada - www.gessweincanada.com/product-p/407-22952.htm
If you're in the States, Gesswein has a US site as well (www.gesswein.com), but I can't send you the link to the direct product page since the US site keeps redirecting me to the Canadian one. In any case, if you search for 'Sand Casting Flask', on the US site, it will show you the same product.
Otto Frei also has the same item: www.ottofrei.com/Store/Jewelry-Casting-Kits-and-Machines/Sand-Casting-Flask.html - in fact, I'm pretty sure that it's the same manufacturer who supplies most of the jewelry websites.
Surprisingly, Rio Grande doesn't have a similar item on their site, even though they seem to have everything else. Go figure.
Anyway, hope this helps :)
Thanks for the comment!
So you can only use this mold for one casting of that item?
+Joshua Gillund Unfortunately, yes - the sand casting method, which is what delft clay is (super fine sand in an oil binder), only allows you to do a one-off cast and then break the mold apart, which is fine for doing unique pieces, but doesn't really work for any kind of mass production.
Delft clay is very simple in principle, but has drawbacks, like not being able to cast objects with undercuts, but for small scale castings, like a pair of rings, pendants, or stuff like that, it works great. Nevertheless, I did four trial casts before making the video, so working out the bugs took some effort - hopefully the video annotations help you avoid them. Thanks for the comment!
Vlad, sand casting is commonly used for high volume production, the sand mold is used once but the sand is recycled and used many times again. A couple of points regarding your method, firstly you ended up with a bad finish on the parting line because you pressed the pattern into the sand after it was rammed up, what you should have done is lay the pattern on a flat surface, put the cope over it, applied the parting dust then filled with sand and then rammed it up. Second point, you poured water on the pouring basin to cool the metal, this is the completely wrong, the metal must remain hot to feed the part as it cools and shrinks, sometimes magnesium powder is put on the pouring basin after the metal has been poured, this then ignites to keep the head of metal in a molten state longer than the part. Also, mixing water in with the sand like that can be dangerous in that if the sand is reused with excessive moisture in it a steam explosion could occur and you could be showered with molten metal. Seriously, do some research before you hurt yourself.
That looks like some really nice casting material. Is it very expensive?
Delft Clay costs is about $50 for a bag. And the mold is $50.
Very nice video
+Yama Biru Thanks!
What for a type of crucible are you using there ?
Delft clay what is it made with ?
Saludos. Soy de mexico y me gustaria si alguien me pudiera decir como se llama la arena para moldar y su preparacion y tambien donde la puedo consequir .se los agradeseria mucho.
Hóla Carlos - perdóname cualquier errores en mi español - soy estudiante muy entusiástico, pero a veces tengo una mezcla infernal de tres idiomas en mi cabeza (croata, inglés y español) y mis gramáticas se confusan un poco, especialmente cuando tomo unas cervezas :D
La arena se llama 'Delft Clay' - el nombre usado en inglés se derive del nombre de ciudad holandesa (Delft) en la cual se desarrolló el proceso para usarla. Simplemente, 'Delft Clay' es arena muy muy fina, combinada con aceite (por eso se llama 'clay' - porque se parece a arcillla en su textura). Pero no tengo una receta para crearla en una manera simple (por eso decidí comprarla por el red).
Sin embargo, no podría avisarle donde se puede conseguir esta arena en México, pero si podría contactar unos joyeros cercanos en su ciudad, o escuelas del arte que ofrecen cursos en escultura y metallistería, ellos probablemente tienen una mejor idea donde se puede comprar algo similar. Gracias por ver mi video y espero que encontrare esta arena sin dificultad. Saludos de Canadá!
carlos godoy para que se complica esta tecnica tiene muchas limitaciones un anillo de compromiso o cualquier anillo con montadura es casi imposible hacer con esta técnica además de las piezas salen con muchos poros... claro si lo que vas a trabajar son piezas rústicas y grandes si te sirve esta técnica y si eres joyero como yo cómprate una centrífuga es muchísimo más versátil y puedes hacer de todo sin ninguna limitación.
What kind of stock did you use for the casting material? Looked like some kind of bronze beads that I can't seem to find anywhere?
Thanks
+Campbell Pearce It's Ancient Bronze casting grain from Rio Grande. It's basically 90% copper, 10% tin, hence the 'ancient' part in the name (no other metals in the alloy, just your good old bronze age bronze).
www.riogrande.com/Product/ancient-bronze-casting-grain/706051
I don't know where in the world you're located, so I can't guess how economical it would be to order this online, but if you're in the US or Canada (where I'm from), I can heartily recommend Rio Grande - had a great experience ordering from them, even if shipping to Canada is a bit pricey these days. They do ship to the rest of the world as well, but again, shipping might get ridiculous depending on the destination.
***** Awesome! Looks like I won't be using scrap bronze off eBay any time soon. Let's hope Rio ships to Melbourne, Australia where I am...
Happy to see they're sticking to plain and simple bronze-age bronze there.
Cheers
+Campbell Pearce I'm pretty sure they do - in fact, they have a very short list of places they won't ship to (places like Somalia, Syria and such).
Rio will actually give you an estimate for various shipping methods (USPS, DHL, UPS, FedEx) when you add items to cart and proceed to checkout (need to create an account first, and add an address).
As a point of comparison, to ship two bags of bronze casting grain (2lbs) via USPS to Canada, it would cost me about US$45, but it's actually more economical to order more at once, so for example 5lbs costs the same as 2lbs, since USPS has flat rate shipping (I forget what the weight limit is). The couriers are more expensive, naturally, but with minimal benefit over USPS, in my experience.
What was the original model made of, metal?
+Yama Biru Yes, the one in the video is pewter. The _actual_ original I carved from wax, but wax is a bit fragile and I wasn't sure if it would hold up to repeated sand packing, so I made a silicone mold of the wax original and cast pewter into it, and used that instead.
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عزيف.
Ужасное литьё
ugly music ruined it