Link: Height 15 mm to 150 mm, Max Speed Up to 10 m/s

Component Specifications

Definition

A link is a standardized, interlocking component that constitutes the building block of an internal cable carrier (also known as an energy chain or drag chain). Multiple links are assembled in series to create a flexible, enclosed conduit that guides, protects, and organizes cables, hoses, and tubing in automated machinery and industrial equipment. It is designed to withstand repeated bending cycles, mechanical stress, and environmental factors while preventing cable abrasion, entanglement, and failure.

Working Principle

Links operate on a modular interlocking principle, where each link features male and female connectors (e.g., snap-fit, hinge, or pin mechanisms) that allow it to securely attach to adjacent links, forming a continuous chain. This assembly creates a segmented, flexible track that bends along a defined radius as the machine moves, enabling cables and hoses to travel safely without overextension, twisting, or wear. The links' design distributes mechanical loads evenly and maintains cable separation to prevent interference.

Materials

Typically engineered thermoplastics (e.g., polyamide/PA, polypropylene/PP, or polyoxymethylene/POM) for lightweight, corrosion-resistant, and low-friction properties; may include reinforced variants (glass-filled) for higher strength. Metal links (e.g., stainless steel, aluminum) are used in heavy-duty or high-temperature applications.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Width	10 mm to 200 mm (internal width for cables)
Height	15 mm to 150 mm
Length	Varies by model (e.g., 25 mm to 100 mm per link)
Max Speed	Up to 10 m/s
Load Capacity	1 kg/m to 50 kg/m (dynamic)
Bending Radius	50 mm to 500 mm (depends on link design)
Max Acceleration	Up to 50 m/s²
Temperature Range	-40°C to +120°C (plastic), up to +500°C (metal)

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 12098, DIN 55142

Parent Products

This component is used in the following industrial products

Internal Cable Carrier

A protective housing system that organizes, guides, and shields cables and hoses within a robotic arm's moving joints.

View Product Details

Linkage Mechanism

A mechanical assembly of rigid links connected by joints that transmits motion and force within an end-effector gripper.

View Product Details

Engineering Analysis

Risks & Mitigation

Link fracture under excessive load
Cable abrasion from improper installation
Chain jamming due to misalignment
Reduced flexibility from wear or contamination
Thermal degradation in high-temperature environments

FMEA Triads

Trigger: Overloading beyond specified capacity
Failure: Link cracking or breaking, leading to cable exposure and machine stoppage
Mitigation: Design with safety margins, use load calculations, and select reinforced materials.

Trigger: Misalignment during installation
Failure: Uneven wear, increased friction, and premature link failure
Mitigation: Follow manufacturer guidelines, ensure proper alignment tools, and conduct pre-operation checks.

Trigger: Exposure to harsh chemicals or extreme temperatures
Failure: Material degradation (e.g., brittleness, swelling), reducing link integrity
Mitigation: Use chemically resistant or high-temperature materials (e.g., stainless steel, specialized plastics).

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Dimensional tolerance typically ±0.5 mm per link; bending radius tolerance ±10%

Test Method

Dynamic endurance testing per ISO 12098 (e.g., 10 million cycles), load testing, environmental exposure tests (temperature, UV, chemicals)

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

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Link

Manufacturer profiles associated with Link.

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Frequently Asked Questions

How do I select the right link for my application?

Consider cable/hose dimensions, bending radius, speed, acceleration, environmental conditions (temperature, chemicals), and load capacity. Match link material (plastic vs. metal) to mechanical and thermal demands.

Can links be replaced individually if damaged?

Yes, most links are designed for easy replacement without disassembling the entire carrier, minimizing downtime. Ensure compatibility with the existing chain model.

What maintenance do cable carrier links require?

Regular inspection for wear, cracks, or debris; lubrication of hinges/pins if specified; and cleaning to prevent contamination. No routine maintenance is needed for sealed designs.

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.

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