PROFILE MILLING MACHINE TOOL WITH PANTOGRAPH Russian patent published in 2000 - IPC

FIELD: machine tool manufacture, namely profile- milling machine tolls with rocking pantograph. SUBSTANCE: profile milling machine tool includes foundation, tables, tool with drive mechanisms and profiling feeler, all kinematically joined one with another. Machine tool also includes holders of drive unit and feeler, small and large tie rods and dumbbell. Pantograph is in the form of two rectangular rigid frames jointly connected one with another in mean portion of small frame and jointly mounted by means of large frame on foundation of machine tool. One horizontal side of small frame is in the form of small and large tie rods coaxially mounted in holder of tool drive with possibility of rotation together with holder and reciprocation motion along lengthwise horizontal axis. Holder of feeler is mounted on large tie rod with possibility of motion along it, on small frame dumbbell is mounted. Foundation of machine tool is in the form of table with rectangular upper plate supporting two synchronously rotating detachably mounted tables. Unit for movably mounting small and large tie rods in vertical struts of small frame is in the form of bearing with race and outer bushing, balls are arranged in race by angle 120 degrees. EFFECT: simplified design, simplified control operations providing possibility for making products with necessary accuracy degree and relatively low expenses. 2 cl, 4 dwg