FIELD: process engineering. ^ SUBSTANCE: invention relates to woodworking industry and may be used in production of laminated wood boards. Fractionating grid comprises rods diverging in direction of production with their converging ends being articulated while diverging ends are arranged in limiters on hinged strips arranged on the frame. Said frame represents stationary structure while grid is provided with vibration apparatus jointed with hinged strips. ^ EFFECT: higher efficiency. ^ 2 dwg
