Gongyi USA Melting Furnace Review and Demonstration
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- Опубліковано 7 вер 2024
- In this video I will be unboxing, setting up, demonstrating, and reviewing the Gongyi USA 6KG melting furnace.
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GONGYI USA 6KG Propane Melting Furnace www.amazon.com...
2 Pieces Graphite Ingot Mould www.amazon.com...
REFRATECH Rigidizer for Ceramic... www.amazon.com...
Hellcote 3000 Refractory Cement... www.amazon.com...
Well done. Thank you for educating an old man. I am so so glad I watched you.
Thank You for such a calm & well recorded teaching moment. I purchased this exact product. If I wear it out, I`ll treat it first.
Glad I could help, thank you.
Oh and one more thought,. Your lighting, sound, general demeanor is very very good. I wish other videos of this type were like yours. Again, well done. A plus plus 😃
Well, thank you very much, I appreciate it. I'm glad you got some useful information.
Thank you for this! I have the same set up, I didn't know about needing to do the refractory part and ran it without doing so! No harm was done to the unit, but I will get that done before my next burn! I very much appreciate the links as well. ❤
Ty, happy to help!
Hopefully you will get great use out of it for many years out of it. Keep up the great craftsmanship and hard work my friend
Good vid! I’m just getting started with my channel, so I am a complete novice to this whole process. I’m just glad you didn’t have a steam explosion from not pre-heating your molds!
Thank you for the video. I've never done this before and want to see how it does with raw gold flakes
You're welcome
Thank you for this video. I just bought the gong Yi and I'm just starting out. I would have never known to do these pre-steps. Your content is highly informative and excellent content. Would you or anyone for that matter be able to recommend some PPE gear that doesn't break the bank and also what are the must have tools for metal scrapping/refining? Hope to hear back, definitely can't wait to fire this bad boy up!!
You're welcome. When it comes to liquid metal honeslty, there is zero room for error. I should have been wearing more ppe. Liquid metal will not simply brush wipe off when it makes contect with skin. You're looking at life altering injuries. Here it the minimum of what I would recommend.
1. Flame retardent jacket
2. Leather apron
3. Safety glasses
4. Face shield
5. Flame retardent hat
6. Insulated welding gloves
7. heavy work boots
8. Full length cottom pants or jeans.
Good luck and stay safe.
As far as essential tools for metal scrapping. I don't really do it very much. It would depend on what kind of medals you're searching for I would assume.
I just received mine Wednesday and as you did I checked mine with a magnet, The vessel itself did not attract the magnet at all but the top did so I'm going to say that the vessel itself is going to be around a 304 grade stainless steel whereas the top is probably grade 202
I'd say that's a fairly safe bet. But i'm pretty certain that it's gonna withstand the test of time and stay relatively rust free. We shall see.
I so wanted to just bust the thing out and start smeltin but went ahead and got the rigidizer and refractory cement. I still have no idea how to find crucible tongs anywhere without makin em myself. Like you said, the crucible is freaking huge for how small the tank is. I didn't have the problem around the bolts around the hinges you had. Too bad I don't know how to weld lol
You won't regret taking the time to set it up for high efficiency, trust me :) As far as finding tongs you could hire a welder/blacksmith to make you a pair. Or maybe modify an existing pair. I believe amazon also sells lifting tongs as well. But I can't atest to their quality. Thanks for watching!
@steelforestweldingandforge I've got some old tongs but theyre made out of cast iron lol, not sure if drilling into em and putting some curved braces would work. Guess it can't hurt to try
@@steelforestweldingandforge my refractory cement looks like normal cement whilst yours is white dust-like... rated for 2200°F but definitely not remotely similar in asthetic
Were the fire brick goes? I have this question and your video it’s the best I found at the moment, I have the same machine
@piochaparro7389 If you mean the round one that looks like a ring, it goes on the inside on the bottom.
I missed what you did with the round white piece. Is that to sit the crucible on when smelting? I just got this model. I appreciate this video, good stuff!
That round piece sits at the bottom of the furnace. The crucible sits on top of it. Thank you and thx for watching!
Thanks I had the same question
If you were concerned about the tongs causing thermal shock damage, shouldn't you have also have allowed the crucible to cool in the furnace?
Great show
Does anyone know if the little sleeve that goes over the gas jet opening is necessary? My kit didn’t come with one and I’m not able to find it online. Is it ok to use without?? Thanks!!
Do you mean the metal sleeve that screws over the brass nozzle? If yes, unfortunately it is 100% necessary. If you ordered it through Amazon, definitely report it.
Could you make a stand for it and lay it on its side and use as a forge as well?
Hmmm, that's a very good question. I would be inclined to say yes. The only problem is that because this has a bottom.You'll only be able to use it for very small parts
@@steelforestweldingandforge thanks for the reply!!
Another question…how many smelts are you getting out of a 5 gallon propane tank? Approximately of course.
@@okieadventures8548 You always get a few handful out. The exact number I couldn't tell you. I can't give this additional piece of info though. The larger the propane tank you have the longer you will be able to run it without the tank chilling to the point that it will not function as well.
love this vid! question- do you have to temper it every time you use?
Gald you enjoyed it! No, you do not to temper a crucible everytime. Only a new one.
Ive got same set up, can this melt copper it advertise that it can melt copper and gold. But i cant get it to melt copper.
The melting point of copper is VERY high, close to 2000 degrees F. It will take a lot of heat to do so. Did you add refractory material like I did? Or use it straight out of the box? You will also need to increase your propane output. And sometimes material will look like it hasn't melted when, in fact, it has. Sometimes, you need to stir it. I have not personally attempted to melt copper with it. I believe it would, though, if I attempted it.
i tried it right out of the box, it claims it can melt copper. ive tried a few times now havent been able to get it to melt it just turns bright red. im not sure how long i need to let it burn. i just dont think this furnace can get hot enough to melt copper
If they are claiming it can melt copper right out of the box, and it isn't capable. I would say that is the fault of the company. I'll get a hold of some.copper and give it a try. On another note, I would highly recommend adding refractory to your furnace, not just for increased efficiency. But for safety, the silica lining in the blanket lining the furnace becomes airborne when in use and over time will damage your lungs. Good luck to you.
I'll do that thanks buddy
Is it OK for me to leave it in the oven at 300 degrees instead?
I would strictly follow the instructions provided with the crucible or furnace
@@steelforestweldingandforge mine didn't come with instructions for the crucible only to assemble the parts for the furnace
@e701914 oh shoot. Well in that case I would use similar instructions to the ones that were provided to me. The main reason we do this is to eliminate any moisture that may be inside the crucible so that it isn't shocked and explodes when exposed to the heat from the furnace.
Did you spray the entire bottle of that or just a little? Lol I couldn’t tell if it was time lapsed or not
If memory serves me right, I think I used maybe a quarter of that spray bottle. Didn't take much to get the job done.
i got this and there was no slider for the intake pipe to control the air even though the pictures on amazon show it should come with it, it even came with the extra screw for it, im looking at your video and i guess its not needed?
I don't think so. It seems to run pretty well without a choke.
Would this be hot enough to melt copper? I messaged the vendor and they said they cancelled that piece and partially refunded me $30. I’ve seen other videos with this product have that slider
@@thebroomisinmyhand When I purchased it it was advertised as hot enough to melt steel and copper. However the only thing i've melted with it so far is aluminum
Nice video. Looks like you are working over concrete though? If so, this is very dangerous
Good point. Putting the furnace on firebricks would be safer. For those who may not know, concrete can have small air pockets. Heating those pockets can cause them expand and pop/explode. Kind of like popcorn. And with molten metal, this can cause a serious accident.
@@steelforestweldingandforge It's more the spilling of metal on concrete that's the problem.
Do you have to heat up the casting molds before each use?
Yes, it will prevent you from shocking your molds and having them shatter.
@@steelforestweldingandforge That makes sense, thank you!
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