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Thread: Cracked Woodplates
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30th November 2017, 12:48 AM #1New Member
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Cracked Woodplates
Hi guys,
Hope somebody could help me out of this.
I have some Oak woodplates sent to Europe from Asia. It's good when we send it but after a week of shipping, the edges of the plates become cracked on the same position. They are 8mm thickness, CNC, with a thin layer of PU paint. I attached some pictures.
Is it because of the whether, moisture rate...?
Hope somebody could help me on this.
Thanks for your reading.
Yelty
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30th November 2017, 10:03 AM #2Taking a break
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It looks like it's a fault in the timber that has been glued. Did it have a crack or damage from being dropped that you fixed before you sent it?
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30th November 2017, 03:15 PM #3New Member
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The weird thing is the woodplates are perfect when I send it.
The raw woodplates are perfect, I did the PU painting and it's perfect, the packing is perfect too. But this happened after a week of shipping.
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30th November 2017, 03:23 PM #4Taking a break
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You haven't answered my question though; was there any damage done at ANY point when they were made that was fixed?
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30th November 2017, 03:31 PM #5New Member
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No it's not, there's no damage on the plates when they were made. And it was checked 100% before sending.
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30th November 2017, 03:47 PM #6rrich Guest
It appears that the oak was improperly sealed across the end grain before the moisture content reached equilibrium in your shop. It is my guess that the wood naturally checked after machining and painting.
Here we will lose 6 to 8 inches off each end of the oak board, even when sealed before the drying process. It is just the way that wood is. We typically use a chop saw to cut 3 or 4 inches at a time off of the end of the board. We take the cut off and not so gently "Drop" it onto the concrete floor. If the cut off brakes, there is still checking from the drying process. Another cut with the chop saw and the process is repeated. When the cut off stops breaking, you have solid wood.
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1st December 2017, 01:32 PM #7New Member
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Just a thought from my old job moving goods around the world.
Asia can be hot and humid and so equilibrium in your shop/factory is one thing. Depending on quality of packing if they go by sea then the goods will pick up extra moisture. Upon arrival in Europe and especially now almost all spaces are heated, dry and lack moisture. Hence the cracking especially if sold in a retail environment and placed in a heated home.
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1st December 2017, 02:08 PM #8Taking a break
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Seeing how its cracked through the grain, I'm inclined to agree with Rich. The most likely reason it would fail on a corner like that is if it was already weakened; if it were solid to start with it should have cracked in a larger section where there would be more internal stress trying to escape
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