FIELD: woodworking, particularly sawing machines working with circular saw blades, specially designed for length sawing of trunks, namely ones having rotary cutting blades.
SUBSTANCE: round-saw machine comprises frame base with timber guiding and advancing means, as well as with sawing device. The sawing device has at least two horizontal spindles with rotary cutting blades arranged from both timber sides. Each timber guiding and advancing means is made as fixed post provided with swinging levers synchronized with each other. The levers have driving fingers cooperating with outer timber surface and adapted to advance thereof. Driving fingers direct timber so that timber axis is in horizontal plane in the middle between blade spindle centers. Levers cooperate with each other through resilient member. Different round-saw machine variants are also disclosed.
EFFECT: increased quality of longitudinal timber sawing.
10 cl, 8 dwg
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