Cable/Wire Rope: Diameter 6 mm to 48 mm

Component Specifications

Definition

A wire rope is a complex mechanical assembly consisting of multiple steel wires twisted into strands, which are then helically wound around a core to form a durable, flexible, and high-tensile-strength cable. In hoist winch systems, it transmits force from the winch drum to the load, enabling controlled vertical or horizontal movement. Key characteristics include construction type (e.g., 6x19, 6x36), lay direction (regular or lang), and core type (fiber or independent wire rope core).

Working Principle

The wire rope operates on the principle of tensile force transmission. When the winch drum rotates, it winds or unwinds the rope, creating tension that lifts or lowers the load. The helical construction distributes stress across multiple wires and strands, enhancing flexibility and fatigue resistance while maintaining strength. Lubrication reduces internal friction and wear.

Materials

High-carbon steel (e.g., 1570, 1770, 1960 MPa grade), stainless steel (AISI 302/304 for corrosion resistance), or synthetic fibers (e.g., Dyneema for lightweight applications). Coatings may include zinc galvanization or polymer sheathing.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Lay	Regular lay, Lang lay
Core	Independent Wire Rope Core (IWRC), Fiber Core (FC)
Diameter	6 mm to 48 mm
Lubrication	Internal and external lubricant applied
Construction	6x19 IWRC, 6x36 IWRC, 8x19 Seale
Minimum Breaking Force	10 kN to 1500 kN

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 2408, DIN 3059, ASME B30.7

Parent Products

This component is used in the following industrial products

Hoist Winch System

A mechanical system on a floating crane for lifting and lowering heavy loads via controlled cable winding and unwinding.

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Engineering Analysis

Risks & Mitigation

Wire breakage due to fatigue
Corrosion in humid environments
Overloading beyond safe working load
Abrasion from contact with sheaves or drums
Improper spooling causing kinks or crushing

FMEA Triads

Trigger: Overloading or shock loading
Failure: Sudden rope breakage leading to load drop
Mitigation: Use load limiters, adhere to safe working load (SWL), and avoid jerky operations.

Trigger: Lack of lubrication
Failure: Increased internal friction and accelerated wear
Mitigation: Apply lubricant regularly as per manufacturer guidelines and inspect for dry sections.

Trigger: Misalignment with sheaves
Failure: Localized abrasion and reduced service life
Mitigation: Ensure proper alignment of sheaves and drums, and use alignment tools during installation.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Diameter tolerance ±2% per ISO 2408, lay length tolerance ±5%

Test Method

Destructive tensile testing per ISO 3108, non-destructive magnetic flux leakage testing for internal defects

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Cable/Wire Rope

Manufacturer profiles associated with Cable/Wire Rope.

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Seal Groove

Precision-machined groove in aluminum bearing housings designed to accommodate sealing elements for fluid containment and contamination prevention.

Frequently Asked Questions

What is the difference between 6x19 and 6x36 wire rope construction?

6x19 has 6 strands with 19 wires each, offering good abrasion resistance and flexibility for general hoisting. 6x36 has 6 strands with 36 wires each, providing higher flexibility and fatigue resistance, suitable for applications with frequent bending, such as crane hoists.

How often should wire ropes be inspected in hoist winch systems?

Perform visual inspections before each use, detailed monthly inspections per ASME B30.7, and thorough annual inspections by a qualified technician. Replace if signs of wear, corrosion, or broken wires exceed allowable limits.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Cable/Wire Rope