Wood drying in the microwave for 8 minutes. Fast and reliable result.
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- Опубликовано: 15 мар 2022
- In this video, we show quickly drying small pieces of wood in the microwave.
Video consists of 4 parts:
00:02 Where is wood from
03:30 Measurements before drying
05:44 Fast-drying in the microwave
10:55 Measurements after drying
This method is very efficient and does not require professional equipment. So if you have a microwave and you can't wait to make something out of wood, you can try it too. Just watch the video to the end and be careful, because the wood gets very hot.
Also, we decided to show small failures, because we think that they are part of the skill. In the first part, we tell where we got the wood. We treat natural resources responsibly and try to prolong the life of sawn trees in our products.
In the second part, we measure the moisture level of workpieces with a professional device - Timber Moisture Meter, Exotek MC - 410, to show you the difference.
In the third part, you will see how the different bars look before and after drying. We chose three blanks: apricot, walnut, apple, robinia (black locust).
In the fourth - measurements after drying.
We have shot this video before the war in our country - Ukraine began. We planned to make different products from these blanks and show them. Some of our employees are now volunteers, others - continue to work to support and restore Ukraine's economy. We believe in the victory and hope to show new videos soon.
We will be grateful for any of your support. We hope to gain 1,000 subscribers as soon as possible. Thank you for watching, liking and sharing.
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I also use a microwave, but for 1 minute only (800W) and allow to cool and steam. Then another minute and same cooling. Repeat 6-7 times for >10% water. Far less cracking.
Yes, it's right. The size and weight of the workpiece also matters
I put mine in the oven 170-190* for 1-2 hours to achieve 6-8% mc
hı there ıs somethıng I was wonderıng. What degree do you use to warm the wood
There is no way to set the exact temperature in this microwave, you can only select the mode. It is better to set the maximum power, but it is time to select experimentally. The larger the workpiece, the more time is needed. For high-quality drying, you need to do few approaches.
Do you think it effects the structure of the wood? To where it’s not as strong?
if you do not overheat, but dry in several stages, then the effect on the structure will not differ from standard industrial drying
I can only speak about oak since that is what I usually work with in small pieces. Eight minutes in the microwave is way too long. Even 4 minutes can be too long depending on the size of the wood. I just got done microwaving about 28 small boards from about 10 to 18 inches long and 5 inches wide and about 3/8 to 5/8 inch thick. If you microwave for more than 1-2 minutes at a time you risk checking on the ends of the boards and splitting along the long sides. Moisture before treating was about 20+25% using a stick meter. Microwaving for 30 seconds to one minute is the best for one board and test for moisture. Repeat if necessary for a total of about 5-6 minutes. You will find that along the sides of the boards, the moisture will decrease greater than the ends of the boards to almost nothing while the ends of the boards will probably read 8-12%. When microwaving 4 short boards about 12 inches long I used 2 minutes and microwaved then for 3-4 times waiting for them to cool between microwaving. I had very few checks on the ends and no splits anywhere on the boards. If steam comes out of the microwave after treatment and pieces are too hot to handle with the naked hand, you are microwaving too long. Crop back down to 30 seconds or one minute using multiple times.
of course, for a good result, you need to adjust the process based on experience. And depending on the material and equipment, this experience will be different. The video shows the basic possibility of using this method of drying
You might of caused some case hardening to those pieces of wood. By microwaving them for several minutes at full power.
if you overdo it with power and time, the wood will catch fire
Ну це ж воно сире?