SECTION BENDING MILL FOR MANUFACTURE OF CURVES OF LENGTHWISE IRREGULAR SECTION Russian patent published in 1995 - IPC

FIELD: bending sheet metal to form curves. SUBSTANCE: section bending mill has working stand with upper 2 and lower 3 rolls. The lower roll consists of eccentric member 6 mounted for free rotation with the help of shaft-mounted 8 adapter 7 and additional eccentric member 9 mounted on eccentric member 6 with the help of bearing 10. The forming member 12 is mounted on eccentric member 9 for free rotation. Bolts 13, 14 couple eccentric members 6, 9 with rods 15, 16 of hydraulic cylinders 17, 18. Rods are connected to control unit engaged with detectors of band position placed in front of the stand. Disk edge-trimmers are set up behind the stand having roll 2 with eccentric members 6 and 9. Trimmers are used to cut off the edges of a billet after its molding by forming member 12. EFFECT: improved design. 7 dwg