# How do you calculate wire rope length?

3 min read

##### Asked by: David Alcorn

* This formula is based on uniform rope winding on the reel.

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SHIPPING REEL CAPACITY.

Where | |
---|---|

L= | length of rope (ft) |

A= | depth of rope space on drum (inches)depth of rope space on drum (inches) |

B= | width of drum between flanges (inches) |

D= | drumbarrel diameter (inches) |

## How is wire rope length measured?

*Just the distance across the circle that wire is the same length. So that wire equals. One diameter of this circle. There's a relationship between the diameter and the circumference.*

## What is the formula for calculating the length of a wire?

By **dividing the resistance value for the entire wire by the resistance value for the 1 m length**, you can estimate the overall length of the wire (in meters).

## How do you measure the length of wire rope in a drum?

Total Drum Storage Capacity: Maximum length of wire rope that can be tightly and evenly wound onto a drum. **Length is calculated to the top of the drum flange minus selected freeboard (i.e. clearance)** .

## What is the length of wire rope?

The two most common types of wire rope, **6 x 19 and 6 x 37**, are shown in figure 13-6. The 6 x 19 type (having six strands with 19 wires in each strand) is the stiffest and strongest construction of the types of wire rope suitable for general hoisting operations.

## How do you find the resistance of a wire given the diameter and length?

Before using the equation **R = (ρ × l)/A** to calculate the resistance of a conductor of a given AWG size, the crosssectional area in square meters must be determined using the conversion factor 1 mil = 0.0254 mm. The most convenient unit of wire length is the foot. Using these standards, the unit of size is the mil-foot.

## What is conductor length?

For most conductor applications, lay lengths of **between 8 – 16 times the outer diameter of a given layer** are specified in ASTM B 286. In general, lay lengths in the range of 12 – 15 times the outer diameter are used for tighter tolerance and geometric pattern control.

## How do you calculate construction wire rope?

A wire rope’s classification includes two numbers (such as 6 x 19). The first number (6, in this example) represents the exact number of strands in the rope. The second number represents the number of wires in each strand, but this number identifies a class, or range and may not be an exact number of wires.

Jul 6, 2017

## How do you calculate wire rope diameter?

Formula: **SWL (kg) = D2(mm) x 8**

For example: Rope dia (D) = 12 mm SWL (kg) = D2 (mm) x 8 = D (mm) x D (mm) x 8 = 12 x 12 x 8 = 1152 kg SWL (t) = 1.15 tonnes The above equation can be reversed to calculate the diameter (D) in millimetres of FSWR needed to lift a given load.

## How do I choose a wire rope?

**Factors for Selecting the Appropriate Wire Rope**

- Strength.
- Resistance to fatigue.
- Bend ability.
- Resistance to crushing.
- Resistance to Metal Loss & Deformation.
- Resistance to Rotation.
- Corrosion Resistance.

## What are the four characteristics to consider when selecting a wire rope?

**Following are the most common characteristics to be considered when selecting a rope for an application.**

- STRENGTH. Wire rope strength is usually measured in tons of 2,000 lbs. …
- FATIGUE RESISTANCE. …
- CRUSHING RESISTANCE. …
- RESISTANCE TO METAL LOSS AND DEFORMATION. …
- RESISTANCE TO ROTATION.

Aug 22, 2017

## What wire rope is most commonly used?

**The Most Commonly Used Wire Ropes**

- Stainless Steel Wire Rope. Stainless steel wire rope is known for its corrosion resistance. …
- Rotation Resistant Wire Ropes. Rotation-resistant wire ropes consist of a minimum of two-strand layers. …
- Marline Clad Rope. …
- Non-Rotational Wire Ropes. …
- Flattened Strand Rope.

Jun 7, 2021