HomeTechnology Overview

Rope technology

We are happy to share our wide-ranging technical knowledge

1. Rope technology basics

All about wire

Raw material // Manufacturing process // Wire surfaces // Wire forms // Wire tensile strength

All about the strand

Lay length of a strand // Lay direction of a strand // Diameter of a strand // Strand design // Compacted round strands // Fill factor of a strand

All about the rope

Wire rope diameter // Measuring Devices and their correct handling // Types of measuring devices // Lay direction of a wire rope // Rope design // Fill factor of a rope // Lay types of wire ropes // Low-tension wire ropes // Types of rope cores (abbreviated designations according to EN 12385-2) // Semi rotation-resistant wire ropes // Rotation-resistant wire ropes // Wire rope lubricant & Re-lubrication

2. Rope characteristics

Rope Characteristics

Breaking strength // Bending fatigue resistance // Flexibility // Efficiency factor

Wear resistance

Changes in line pull will cause changes in the rope length. Rope sections lying on a sheave or on...

Deformation behavior

Modulus of elasticity // Radial stability // Structural stability // Diameter reduction of a special wire rope

3. Why special wire ropes

Why special wire ropes?

Standard ropes often do not meet the high requirements of many applications of wire ropes. Higher demands for rope...

Breaking Strengths

Breaking strength and Swivel

Bending fatigue and rope lifetime

Bending fatigue when using steel or plastic sheaves // Bending fatigue of ungalvanized and galvanized ropes // Bending fatigue in dependence on the groove diameter // Bending fatigue in dependence on the line pull // Bending fatigue in dependence of the sheave diameter

Deformation behavior

Modulus of elasticity // Elongation // Diameter reduction // Lateral stability with and without load

Rotation Behavior

Flexibility // Efficiency factor

4. Discard CRITERIA (ISO 4309)

Discard Criteria

DISCARD CRITERIA (ISO 4309) Correct allocation of our verope® special wire ropes for determining the replacement state based on visible wire breaks according...

5. Crane components

Crane Components

Drums // Sheaves

6. Choose the right rope for your application

Rope view

Rope view // "Hoist Application" // Usage of a swivel on hoist ropes // More crane applications

Application of regular (or ordinary) and Lang’s Lay ropes

Ordinary lay ropes // Lang’s lay ropes

7. ROPE REQUIREMENTS FROM THE CRANE VIEW

Rope requirements from the crane view

The magical rope When selecting a rope it should always be checked carefully, which operating and which rope demanding conditions...

8. ROPE END CONNECTIONS

Rope end connections

Points of reference to determine the rope length precisely // Efficiency factor KT of rope end connections

9. GENERAL INFORMATION

General information

Handling and Storage of ropes // Handling of reels // Rope Storage

Installation of wire ropes

Control of the new rope // Inspection of sheave grooves // Rope Installation Process // Initial operation after installation process // Rope installation with multi-layer spooling // Importance of preliminary tension of ropes with multi-layer spooling

10. SAFETY INSTRUCTIONS

Safety instructions

Please note that wrong selectionand use of wire ropes can be dangerous!  Protect yourself and others!  Failure of wire rope or...

11. USE OF METRICAL ROPES ON IMPERIAL CRANES AND OF IMPERIAL ROPES ON METRICAL CRANES

Use of metrical ropes on imperial cranes and of imperial ropes on metrical cranes

When using mm-ropes on inch-cranes or vice versa, often the wrong rope diameter is selected. Here the following selection...

Related: Rope Academy

Technical brochure

We will be happy to send you a printed copy on request.