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Casting & Stabilization Making your own blanks & stabilizing wood blanks.


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Old 11-04-2017, 01:47 PM   #1 (permalink)
 
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Default Stabilization Help Question

Hello -
I am new to pen turning and Wood Stabilization - learning a lot from everyone here - Thank You!

I have stabilized spalted pen blanks and noticed that at the beginning the wood floats and upon completion of the vacuum process the wood no longer floats it sinks to the bottom of the juice.

Here is my question - I have just stabilized my first batch of Maple Burl and when complete with the vacuum process the wood still floats. It was in the vacuum chamber for over 3 hours and there were a very very slight intermittent bubble or two, not much different than I have seen with my limited experience. Is this normal?

Thanks,
Pete
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Old 11-04-2017, 01:48 PM   #2 (permalink)
 
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Let it soak. Is it completely submerged still?
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Old 11-04-2017, 01:52 PM   #3 (permalink)
 
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Quote:
Originally Posted by Camardelle View Post
Let it soak. Is it completely submerged still?
Yes they are still submerged with weights since I removed them from the vacuum chamber about 13 hours ago.
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Old 11-04-2017, 01:54 PM   #4 (permalink)
 
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If they’re still submerged give them some time. I was getting tiny bubbles a couple days ago from some maple. Three pieces sank and one floated like a dead goldfish till the next morning. They’re still soaking.
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Old 11-04-2017, 02:03 PM   #5 (permalink)
 
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And for the record I don't claim to be the definitive authority on this. There are many here and elsewhere who surpass my knowledge. This is just based on my experience. I hope it helped.


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Old 11-04-2017, 02:08 PM   #6 (permalink)
 
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Thank you.

I am just wondering if putting the wood back under vacuum would do any good?
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Old 11-04-2017, 02:09 PM   #7 (permalink)
 
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Pull a vacuum on it. It can’t hurt it. Report back.
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Old 11-04-2017, 05:57 PM   #8 (permalink)
 
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I would put them back into the vacuum chamber and make sure your vacuum pump is running the whole time you have them in there at full vacuum. My pieces of spalted pecan pen blanks took a lot more time than you stated for yours. I keep mine in vacuum until I see NO bubbles, but I don't have a lot of experience either. But I do know to make sure that the vacuum pump is running the whole time your pieces are in there and, as you are doing, let them soak when you take them out. They should all sink when full of the stabilizing solution, in my opinion. Good luck.
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Old 11-07-2017, 11:41 AM   #9 (permalink)
 
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Thank you for all your help.

I am posting my results . . . I put the blanks back in the vacuum chamber again for a little over 24 hours with the vacuum pump running the entire time, there was no bubbling at the end of this time. I let the wood soak weighted another 24 hours. When I removed the weight all the blanks floated. After all that I did not expect them to float.

I cooked them and they came out just like other blanks I have done. I will turn one and see what happens.

Thanks,
Pete
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Old 11-07-2017, 07:41 PM   #10 (permalink)
 
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I have had this happen with white oak. Three days under vacuum and there were still some small bubbles. I have not noticed any difference in the final product and the CJ looks to have penetrated throughout the blanks.
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