Hello Guys, I've had an open mold and several closed molds waiting for me to get around to doing a melt. The open mold requires a core before closing. I like...
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Rupert
rwenig2
Mar 11, 2013 11:39 pm
The burner in my Gingery style furnace is 1 1/4" nominal pipe size. The burner in my CC furnace is nominal pipe size !/4". Rupert ... -- yvt Rupert Wenig ...
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David Patterson
odd_kins
Mar 11, 2013 11:47 pm
Rubert I don't make any molds or cores until I'm ready to make some castings. Dave Patterson odd_kins@... ...
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Rupert
rwenig2
Mar 12, 2013 12:15 am
Hello David, I usually do the pouring right away too or at least the next day. I was pouring some large castings. The molds I have now were made in case I had...
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Jeshua Lacock
jeshuala
Mar 12, 2013 12:19 am
... Maybe try adding a few pouches of desiccant in the molds. If you don't have any desiccant packets laying around, try making your own with dry rice in...
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Steven DePhillips
stevendeph
Mar 12, 2013 2:23 am
If you can get a dehumidifier and let it run for a day or so it will dry the place up. Â I used one when i was coating my lost foam patterns in watered down...
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Wonk
tiwonk
Mar 12, 2013 6:14 am
Rupert, My foundry area is open and under a lean-to with 2 walls closed a third with a 3' X 4' open window and the 4th side open. I try not to mold ahead but...
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Malcolm Parker-Lisberg
mparkerlisberg
Mar 12, 2013 10:14 am
Wonk I have had graphite and alcohol in stock for a while, but not found what ratio to use. What ratio of alcohol to graphite do you use? Malcolm I don't...
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Rupert
rwenig2
Mar 12, 2013 12:17 pm
Hello Wonk, Thanks for the tip. I have a graphite/alcohol mix on hand but I never thought of using it when I am pouring aluminum or brass. I use it to improve...
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Wonk
tiwonk
Mar 12, 2013 5:19 pm
My efforts have been trial and test so I don't have a good blend to share! I don't think you can over-do it one way or another as the alcohol will evaporate if...
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StoneTool
owly055
Mar 12, 2013 6:50 pm
There has been an increasing problem with Yahoo Mail accounts being hijacked. There are a few simple rules to help minimize this problem. The first of...
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Nelson Collar
nel2lar
Mar 13, 2013 2:49 am
Rupert I must comment about this exploding molds. It is not a percussion thing, it is a gas from water and a lot of steam. I will not blow up on you. The...
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Jeshua Lacock
jeshuala
Mar 13, 2013 2:51 am
... Explosions are certainly a possibility. If the steam develops any appreciable pressure explosion can be a very real threat. Best, Jeshua Lacock ...
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Nelson Collar
nel2lar
Mar 13, 2013 3:30 am
Well I can say I am no newbie. I've cast more years than you wiped your own nose. I have had too wet sand and the danger is the metal spilling out of the mold...
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Jeshua Lacock
jeshuala
Mar 13, 2013 3:35 am
... How do you know you have cast more years than I have wiped my nose? I am no newbie either. I too have poured on wet sand. But yeah water and molten metal...
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Jeshua Lacock
jeshuala
Mar 13, 2013 3:38 am
... I suppose these OSHA molten metal steam accidents are make believe? ...
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Jeshua Lacock
jeshuala
Mar 13, 2013 3:42 am
... p.s. And who the hell are you to say that I have a little bit of knowledge? You have no idea of the extent of knowledge and experience I have. Sincerely, ...
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David Patterson
odd_kins
Mar 13, 2013 3:51 am
Jeshua, I have to agree with you. I have only seen one steam explosion during the time I worked for at a local foundry. luckly no one was hurt, as all were...
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Nelson Collar
nel2lar
Mar 13, 2013 4:55 am
I went to UTube for some of the stupid guys doing what you say is so dangerous: http://www.youtube.com/watch?v=Pkfyj42f6EU ...
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Jeshua Lacock
jeshuala
Mar 13, 2013 5:06 am
... That proves nothing. Who here is pouring into molds under water? Besides, one commenter posted: "Also a great way to cause a steam explosion that throws...
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Jeshua Lacock
jeshuala
Mar 13, 2013 5:11 am
... Here is the aftermath of a lead steam explosion: http://www.youtube.com/watch?NR=1&feature=endscreen&v=Pe9wy9SjxjQ Looks really safe and fun huh? Jeshua...
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Jeshua Lacock
jeshuala
Mar 13, 2013 5:17 am
... Another one: http://www.youtube.com/watch?v=A796N_YZTm8 Looks like it was caused from a drop of water in the mold. Good times! Cheers, Jeshua Lacock ...
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David Patterson
odd_kins
Mar 13, 2013 5:18 am
Nelson that's not even close to what we're talking about. Pouring metal into water has been done since before you were born. We're talking about a closed mold...
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Nelson Collar
nel2lar
Mar 13, 2013 6:03 am
I just get tired of hearing how dangerous molten metal and water is. Its dangerous getting out of your bed in the morning, you could slip an fall and we all...
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Jeshua Lacock
jeshuala
Mar 13, 2013 6:10 am
... Well that is not what you said. You said "NO it is not a dangerous". Ask the widows of those documented OSHA cases if they agree. Then just because I state...
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Jeshua Lacock
jeshuala
Mar 13, 2013 6:17 am
... P.S. Two of three videos I posted had explosions in completely open-faced molds. So much for the "plenty of holes" theory…. Jeshua Lacock ...
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tmoranwms
Mar 13, 2013 3:01 pm
Nelson, You, and people like you, are the reason behind a lot of problems: Safety is the number one reason industrial foundry equipment is so expensive. The...
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Joseph Feldmann
yvanwolvesba...
Mar 13, 2013 4:26 pm
Hey there, folks- We're all freinds on this list, more or less. The vitriole on this matter is unneccessary. Everyone has their own level of safety...
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Glenn N
sleykin
Mar 13, 2013 4:41 pm
I had a rather exciting incident trying to pour aluminum into paper towel tubes to make round bar for the lathe. It was just plain sand that got a bit of...
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Steve
wansteve...
Mar 20, 2013 12:02 pm
Hi Guys I'm looking for owners of Power Record/DMD series press drill comes in blue later yellow top with green base. I need to get more info of the hex....