ROLL TYPE SHEET BENDING MACHINE Russian patent published in 2006 - IPC B21D5/14 

FIELD: plastic working of metals, namely apparatuses for bending edges of cylindrical blanks at bending such blanks in roll type sheet bending machines.

SUBSTANCE: machine includes upper cylindrical roll mounted in frame on struts and having bearing assemblies; two lower rolls; detachable plate. Machine also includes apparatus in the form of two rigid ring halves mutually bonded by bracing members and having lugs. Detachable plate has columns engaging with lugs of ring halves with possibility of motion. There is lengthwise rectangular groove in said detachable plate for placing in it elastic material such as polyurethane.

EFFECT: enlarged manufacturing possibilities of machine.

3 dwg