Message
  • EU e-Privacy Directive

    This website uses cookies to manage authentication, navigation, and other functions. By using our website, you agree that we can place these types of cookies on your device.

    View e-Privacy Directive Documents

Afrikaans Arabic Bulgarian Chinese Croatian Czech Danish Dutch English French German Greek Hebrew Hindi Indonesian Italian Japanese Korean Latvian Lithuanian Norwegian Polish Portuguese Romanian Russian Serbian Slovak Slovenian Spanish Swedish Thai Turkish Ukrainian Vietnamese

DRUM AND SHEAVES

Sheave dimensions

 drum-sheaves-1-veropeThe sheave groove dimensions with reference to the rope diameter should correspond to:

r = 0,53 x d and

h = 1,5 x d at the flange angle > 45°

D/d ratio for sheaves. Minimum sheave dimension

for verope products is 20 times the rope diameter.

More favourable D/d ratio improves the service

drum-sheaves-2-verope

 

Single layer spooling

The lay direction of the verope products should always be chosen opposite the winding direction of the drum.

 

Multiple layer spooling

Increasing rope length requires good solutionsfor controlled spooling onto the hoisting drum.

drum-sheaves-3-verope

The following rope features improve the spooling:

  • First- and second layer spooled under tension (1 % to 2 % of M.B.L.)
  • Lang’s lay rope construction
  • Compacted outer strands and / or rotary swaged rope construction
  • Ropes with high form stability to withstand increased lateral pressure

 

Drum and Sheave spooling angle

The spooling angle can be reduced by using different drum designs. The spooling angle for rotation
resistant ropes should not exceed 2 °.
For non-rotation resistant ropes, the angle should not exceed 4 °.