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Market Harmony
1000+ Penny Miser Member
USA
1274 Posts |
 Posted - 07/15/2009 : 16:26:47
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So, I've got some time and a bunch of metal to cast. I've been asked by quite a few people about making a video of some of my operations, so before I do so, I'd like to get some requests and suggestions.
Tell me what you want to see (I won't give away any secrets, however)
Tell me what you want to hear
How long should the video be?
Should I make one long video, or split them up?
Any and all suggestions are much appreciated, and I'll be sure to post the first drafts here before they go "public"
Thanks in advance,
Michael
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goto the new and improved realcent: http://realcent.org |
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Country
1000+ Penny Miser Member
USA
3121 Posts |
Posted - 07/15/2009 : 16:42:45
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I'd like to view the equipment you use. Perhaps you can explain what is involved in the process.
I'd like to see how the molten silver metal gets poured into your bar and pyramid molds.
I'd also like to see how you put the MH imprint and troy weight on these. Do you do this after it's cooled or while the bars are soft? How do you know how much these weigh?
If there is a crackling noise when the metal is being melted or sparks flying around, I'd like to hear and see that. |
---> Come to the new and improved realcent: http://realcent.org
The things that will destroy America are prosperity-at-any-price, peace-at-any-price, safety-first instead of duty-first, the love of soft living, and the get-rich-quick theory of life.
– Theodore Roosevelt
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Kurr
1000+ Penny Miser Member
2906 Posts |
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Market Harmony
1000+ Penny Miser Member
USA
1274 Posts |
Posted - 07/15/2009 : 17:58:10
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quote:
Originally posted by Kurr
As always I am interested in how you prevent oxidation and your preference on fluxes. I love foundry setups.
The argon gas delivery system is not yet set-up to prevent oxidation on my new furnace. I'm doing test pours right now to see if it will even be a problem with this electric furnace, and thus, I'm not yet too worried about the oxygen pickup. If it is a problem, I will be able to easily fix it.
I use boric acid as the flux when casting copper. No flux is needed when I pour silver using my other furnace. |
goto the new and improved realcent: http://realcent.org |
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L1011
Penny Collector Member
310 Posts |
Posted - 07/15/2009 : 18:28:18
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| I'd be very interested in seeing it, maybe a brief synopsis from start to finish, it'd be very Cool!!! |
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Market Harmony
1000+ Penny Miser Member
USA
1274 Posts |
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Country
1000+ Penny Miser Member
USA
3121 Posts |
Posted - 07/16/2009 : 19:51:29
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| WOW! |
---> Come to the new and improved realcent: http://realcent.org
The things that will destroy America are prosperity-at-any-price, peace-at-any-price, safety-first instead of duty-first, the love of soft living, and the get-rich-quick theory of life.
– Theodore Roosevelt
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NotABigDeal
1000+ Penny Miser Member
USA
3890 Posts |
Posted - 07/16/2009 : 20:35:13
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Thanks a lot for the video. I look forward to any more you make. GREAT VIDEO!!!!
Deal |
Live free or die.
Plain and simple.
"If you love wealth more than liberty, the tranquility of servitude better than the animating contest of freedom, depart from us in peace. We ask not your council or your arms. Crouch down and lick the hand that feeds you. May your chains rest lightly upon you and may posterity forget that you were our countrymen."
- Samuel Adams |
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daviscfad
1000+ Penny Miser Member
USA
1664 Posts |
Posted - 07/16/2009 : 21:01:13
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| very cool man! Looks like a HOT job! |
Inquiring minds want to know |
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L1011
Penny Collector Member
310 Posts |
Posted - 07/16/2009 : 21:05:17
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| Yes, Great Job and look forward to seeing more of the process, thanks for the vid.. |
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Gr33nday43
New Member
Uzbekistan
10 Posts |
Posted - 07/17/2009 : 02:18:22
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One thing I've also been confused with flux is, if Boric acid is used, does the flux float to the top as slag, or does it end up in your metal? Great video, I would LOVE to see a pour of copper. Also, what gloves do you use? Thanks,
Taylor |
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Market Harmony
1000+ Penny Miser Member
USA
1274 Posts |
Posted - 07/17/2009 : 19:20:12
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quote:
Originally posted by Gr33nday43
One thing I've also been confused with flux is, if Boric acid is used, does the flux float to the top as slag, or does it end up in your metal? Great video, I would LOVE to see a pour of copper. Also, what gloves do you use? Thanks,
Taylor
The flux will help the fluidity of the melt. It will also pick up impurities and float to the top. Boric acid will also coat the sides of the crucible and should add some protection to it. If the boric acid is poured out, it will float to the top of the poured ingot and can then be chipped off. I use it sparingly as I am melting pure metal, so I only add a bit of it to improve fluidity.
Here's the pouring of a 5 pound Copper Trade Bar:
I'll probably make a better one at some point in time.
oh, and I use long heat resistant, hevily lined gloves. I go through a pair every 3 months or so.
edit: I used a new video and it is now linked in the post |
goto the new and improved realcent: http://realcent.org |
Edited by - Market Harmony on 07/17/2009 20:18:03 |
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Bluegill
1000+ Penny Miser Member
USA
1964 Posts |
Posted - 07/17/2009 : 19:28:47
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Very Cool!!! 
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Gr33nday43
New Member
Uzbekistan
10 Posts |
Posted - 07/17/2009 : 23:20:22
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| Nice work, market harmony. Thanks for the information. |
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thewalrus81
Penny Sorter Member
93 Posts |
 Posted - 07/19/2009 : 19:53:21
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Just a question or two to satisfy my own curiosity  -
You stated in your silver video that it's important to only use a mold for 1 type of metal, why is that exactly?
Also, in the copper video it appears like some copper is possibly splashing out? Do you lose a certain percentage on average when you melt it and pour it? |
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Gr33nday43
New Member
Uzbekistan
10 Posts |
Posted - 07/19/2009 : 22:18:49
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| walrus, i'm pretty sure that since the metal is molten it will melt the small amount of metal that was solidified in the mold in the previous cast. this would create impurities. i hope I'm right... |
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Market Harmony
1000+ Penny Miser Member
USA
1274 Posts |
Posted - 07/20/2009 : 08:46:25
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quote:
Originally posted by thewalrus81
Just a question or two to satisfy my own curiosity -
You stated in your silver video that it's important to only use a mold for 1 type of metal, why is that exactly?
Also, in the copper video it appears like some copper is possibly splashing out? Do you lose a certain percentage on average when you melt it and pour it?
There is a slight residue of metal, almost powder-like that remains in the mold. It is a very very very small amount, but it is there nonetheless. There would be more that attaches to the mold itself if I did not use a mold release agent. The flame from the mold that you see is the mold release agent being burn away. When it is burned away, it leaves a ultra-thin layer of carbon between the mold and the ingot. This keeps the residue to a minimum and allows the ingot to freely detach from the mold.
Using 1 mold for different metals would increase the chances of contamination. With iron molds, you need to sand down the surface to remove the metal residue if you want to use it for different metals.
The copper bars are more of an estimation of the pour. It takes lots of practive before you can judge well enough that the pour is one pound, or 5 pounds. Lucky for me, the mold I use for the 5 pound trade bars is at 5 pounds when it is just about full. The 1 pound trade bars are more of a timing thing and watching the spout for the flow of metal. The bars are very difficult to get exactly 1 pound, or 5 pounds in them, but every bar that I sell is always 1+ or 5+ pounds. It would not be feasible to melt only 1 pound in the furnace for each bar.
My scale measures in ounce, troy ounce, grams, and pennyweights. I had made a batch of about 10, 1 pound trade bars and they all seemed perfect. But when I weighed them, they were all coming up just short of 16 ounces each. I put them all back into the furnace to be remelted. It wasn't until after I did this that I realized that my scale was set on troy ounces. They were all actually good pours, and weighed around 1 pound. doh! |
goto the new and improved realcent: http://realcent.org |
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Country
1000+ Penny Miser Member
USA
3121 Posts |
Posted - 07/20/2009 : 14:00:06
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quote:
Originally posted by Market Harmony
edit: I used a new video and it is now linked in the post
Another great video from Market Harmony !! |
---> Come to the new and improved realcent: http://realcent.org
The things that will destroy America are prosperity-at-any-price, peace-at-any-price, safety-first instead of duty-first, the love of soft living, and the get-rich-quick theory of life.
– Theodore Roosevelt
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wholelottabon
Penny Sorter Member
USA
76 Posts |
Posted - 07/20/2009 : 15:17:58
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| 5***** |
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jtm3
Penny Pincher Member
USA
187 Posts |
Posted - 07/22/2009 : 13:33:21
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You should also show the bar getting extracted from the mold.
thanks |
Copper Cent Hoarding Wiki
coppercenthoarding.wikia.com
+637 posts |
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Market Harmony
1000+ Penny Miser Member
USA
1274 Posts |
Posted - 07/22/2009 : 23:20:18
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quote:
Originally posted by jtm3
You should also show the bar getting extracted from the mold.
thanks
The 5 pound trade bars take a little longer to solidify, so I opted to end the video before I dumped the bar. I do the same process of extracting as I do for the silver bars... just turn it upside down and it falls right out. Sometimes I have to knock a little sense into it to release, but it is pretty straight forward. I quickly move the hot bar with tongs into water for a quick cool. The water boils for about 30 seconds, and then I let it air dry. |
goto the new and improved realcent: http://realcent.org |
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highroller4321
1000+ Penny Miser Member
USA
2648 Posts |
Posted - 07/23/2009 : 15:54:55
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| Thanks for the videos! Very interesting! |
Copper Penny Investing
www.portlandmint.com |
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vrbsroma
Penny Collector Member
394 Posts |
Posted - 07/24/2009 : 14:16:46
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| awesome to watch! |
As far as I know, it is stated "In God We Trust" on the US dollar. How can I trust this currency if I do not believe in God?
Possession is nine-tenths of the law.
When I give my two cents, they're always copper! |
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Market Harmony
1000+ Penny Miser Member
USA
1274 Posts |
Posted - 12/14/2009 : 20:23:30
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I made 2 new videos. They're kinda cruddy on the commentary and camera work, but you'll get the idea:
Casting a medium ingot:
Stamping a medium ingot:
Feel free to laugh at my realization of the camera movement |
goto the new and improved realcent: http://realcent.org |
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giddyup99
Penny Pincher Member
USA
154 Posts |
Posted - 12/14/2009 : 21:57:20
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Very cool stuff! I can't wait for the next episode.
If you don't mind me asking - What are you melting to make sure you only have 3 toz. in the crucible? Shot or something small like that I would assume.
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Experience is what you get when you don't get what you want. |
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twocents
Penny Collector Member
398 Posts |
Posted - 12/14/2009 : 22:21:18
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| That is so cool. I am jealous of your trade, Michael. |
Just my two cents! |
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Topic |
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Making a video of MH operations
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