FIELD: woodworking industry.
SUBSTANCE: drying method of round timber involves convective chamber drying, with that, prior to drying, the timber is subject to autoclave soaking with a 16-18% water solution of a mixture of ammonium nitrate and carbamide or ammonium nitrate and calcium nitrate, which are taken in the ratio of 1:1, and drying is performed before the timber reaches equilibrium humidity considering future operating conditions.
EFFECT: method allows eliminating the formation of shrinkage cracks, improving the appearance, providing stable timber dimensions during operation, thus increasing the service life of round timber materials.
2 dwg, 3 tbl
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