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31 May 2017 at 8:31 am #312441
Thank you all. For the environment humidity I am absolutely sure, but for wood I am not so sure ( I will check again) because my moisture meter is not very accurate (Chinese garbage). The measuring scale starts from 6% and there is a calibration procedure that I don’t do every time. The board was siting in my atelier for about a month before I get to it so it has a plenty of time to acclimate. I have the same problem with other wood species(walnut) from that supplier. I have checked and for my region the equilibrium moisture content for pine should be around 7 to 15% depending on relative environment humidity. So I think that this board is definitely kiln dry, and if so there is 90% chance to have a problem with internal stress of the board because the rapid change in the moisture content will shrink the wood intensively and when I plane there is going to be some stress accumulated because of the change of the dimension(smaller dimension will lead to increase the stress in the board). But it all depend on the kiln-dry process.
How long it will take acclimated before I get to it for furniture making? if the environment humidity is 50%30 May 2017 at 7:14 am #312420Thank you all for your answers.
The moisture content of that particular board was under 6%(measured), the humidity in my shop is about 50%(measured). The wrapping of the boards with plastic wrap is a good idea, thank you Kevin. Philipp I am not sure about the quality of that piece but it seams of a good stock, but as I remember I indeed left the board on the bench top for the night. Unfortunately the wood quality is all the same here no meter where I buy it from, all the lumber is dried outside under shed. Tom thank you for your advices about the planning, that board has a cup and a twist so I had to remove a lot of material from the cup side, more than other side.Thank you all very much. I will take all your advices into consideration for my next project.
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