SHEET BENDING ROLL-TYPE MACHINE Russian patent published in 1995 - IPC

FIELD: metal pressure forming. SUBSTANCE: machine includes the frame 1, struts 2, supporting the side rolls 3 and the upper roll 4 with bearing assemblies 5. The spring-loaded guiding roller 6 is mounted between the side rolls 3 in one of the struts 2. At opposite side on the plate 7 the drive mechanism 8 is mounted, the knurled roller 9 is mounted on an output shaft of the drive mechanism 8. The plate 7 may be moved by action of the springs 10 along the guides 11 in such a way, that one end of the springs 10 rests upon a bead of the carriage 12, placed on the guides 13 with possibility of reciprocation motion by action of a drive unit. EFFECT: enlarged manufacturing possibilities of the machine due to making cone shells, having their apex angle more, than 30 degrees. 3 cl, 3 dwg