METHOD FOR MAKING ARTICLES WITH CURVILINEAR CONTOUR OF CROSS SECTION Russian patent published in 2002 - IPC

FIELD: plastic metal working, namely, manufacture of large-size articles with different curvature of cross section such as blades of snow-removing machines, excavator buckets. SUBSTANCE: method comprises steps of fixing edges of blank in clamps in order to profile blank on stretching gages; before profiling placing on blank constructional members forming lengthwise edges of ready product; rigidly fixing one of lengthwise edges of product in stationary clamps; rigidly fixing second lengthwise edge in movable clamps; moving movable clamps for bending blank around gages until fitting inner surface of blank to them; then placing onto blank constructional members forming ready product and unclamping blank. EFFECT: enhanced manufacturability, improved quality of products at lowered labor consumption. 3 dwg