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please help me (1 viewing) (1) Guest
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TOPIC: please help me
#4939
Re:please help me 1 Year, 9 Months ago  
There are many thinggs that go into a "quality" part, the vacuum pump is for getting the air bubbles out of your investment, the argon is for degassing you metal. The argon is not all ways needed and im sure few on the forum would even bother with it.
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#4941
Re:please help me 1 Year, 9 Months ago  
Thanks! clear but as an example I use this machine for remove air bubbles and vacuum casting. If then the vacuum sucked through the plaster? Whether it has air vents in plaster?


Thanks a lot
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#4942
Re:please help me 1 Year, 9 Months ago  
The plaster (investment) is porus so air can escape thru it. when the flask of investment is set in the vacuum table and a vacuum is pulled on it the molten metal is sucked into the mold to help fill in all the little areas of fine detail.
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#4948
Re:please help me 1 Year, 9 Months ago  
Thanks! I remembered that Borax also degassing melting metal. Whether it can be used for casting? It may also come into investment?

Thanks
Best regard in Estonia
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#4984
Re:please help me 1 Year, 8 Months ago  
When my wax ring consider 3g, how much consider such a ring a silver?

Thanks!
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