| 摘要 |
Method and machine for bending flat strip to exact full cylindrical shape in which the strip part is rolled to a cylindrical shape over a length, measured in peripheral direction, which is greater than the circumference of the cylinder, the bent strip part being elastically deflected outwards during rolling, a portion then being separated from the bent strip the length of which is exactly equal to the circumference of the desired cylinder, so that a true cylindrical shape is formed after the elastic recovery of the separated deflected portion. |
