FIELD: production of quarter sawed lumber which may be performed directly at cutting area.
SUBSTANCE: method involves feeding, orienting and rotating log in centering clamps through desired angle and providing across-the-heart cutting for further circular sawing of blanks. Across-the-heart cutting procedure is carried out by means of disk saw. Before sawing out of blanks from log, rectangular sector is sawn out, followed by rotating of log in centering clamps and providing initial notches in edge portions. Log is then rotated and across-the-heart cutting of log heart side is performed to produce lumber with annual rings arranged at an angle of 90 deg to log surface. Method allows low-quality wood to be processed.
EFFECT: increased lumber yield and reduced number of additional operations during wood working.
4 dwg
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