Strength analysis of banded roll for asymmetric rolling of few-leaf springs

Abstract

The nominal rotational torque on the rolls during asymmetric rolling of a strip of few-leaf springs was calculated. To stabilize the rolling process it was proposed to use a front tension and a minimum value of such tension was computed. Misalignment of the circumferential speeds of the driving and driven rolls are calculated. The design of a composite banded roll with two tabs on the bandage and the two grooves on the shaft are proposed. In addition, the mating surfaces of the shaft and the shroud are made in the form of a Morse cone, which facilitates the repair of the roll and provides a tight contact between the mating surfaces. The test for bearing stress and shear of the tabs on the bandage. The structural strength of banded roll is provided.

Keywords

• asymmetric rolling
• rotational torque
• front tension
• banded roll
• misalignment
• crumbling
• cutting