FACING BOARD PRODUCTION PLANT Russian patent published in 1996 - IPC

FIELD: production of construction materials including those of natural stone. SUBSTANCE: plant has power-driven rotatable platform 1 with vertical feed chambers equidistantly located from center of platform and provided with block locks positioned in upper part of these chambers. Grinding heads 8 are installed vertically and can be axially displaced in direction f end surface of stone block and positioned above rotatable platform between loading roller bed and spring-loaded gripping arms of ready board receiving mechanism 11. Drive 38 of cut-off disk 39 is seated above gripping arms which are horizontally movable. For this purpose, arms are pivotally mounted on radially movable carriage located on straightline guide members carried by plate resting on curved guides of supporting body. Chamber feed mechanism is formed as pivoted load pad with side threaded holes in which vertical motion screws are seated, and fixed on lower ends of screws are transmission gears engaged with sector 12. EFFECT: high efficiency. 5 cl, 5 dwg