INDUSTRY COMPONENT

Link (Side Plate)

Link (Side Plate) is a critical component in track chain assemblies, providing structural connection and load distribution between chain pins and bushings in heavy machinery.

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Component Specifications

Definition
The Link (Side Plate) is a precision-engineered metal plate that forms the outer structural element of track chain links in crawler-type machinery. It connects to inner links via hardened pins and bushings, creating articulated joints that allow track articulation while maintaining tensile strength. These components are subjected to extreme dynamic loads, abrasion, and impact forces during operation, requiring specific metallurgical properties and dimensional accuracy to ensure chain integrity and prevent premature failure.
Working Principle
The side plate functions as a structural connector that maintains precise spacing between chain pins while transmitting tensile forces throughout the track chain. During operation, it rotates around hardened bushings while resisting bending moments and shear forces. The articulated design allows individual links to pivot relative to each other, enabling the track to conform to terrain contours while maintaining continuous power transmission from the drive sprocket to the ground.
Materials
Typically manufactured from medium-carbon alloy steels (e.g., SAE 4140, 4340) or boron steels, heat-treated to achieve surface hardness of 40-50 HRC with a tough core. Some applications use through-hardened steels or specialized wear-resistant alloys. Material specifications include minimum yield strength of 900 MPa, tensile strength of 1100-1400 MPa, and Charpy V-notch impact resistance at -40°C.
Technical Parameters
  • Width 80-200 mm
  • Thickness 12-25 mm
  • Hardness Depth 3-8 mm case depth
  • Surface Finish Ra 3.2 μm maximum
  • Center Distance 150-300 mm
  • Weight per Link 5-25 kg
  • Pin Hole Diameter 30-60 mm
  • Bushing Bore Diameter 35-65 mm
Standards
ISO 606, DIN 8187, ISO 4348, DIN 8188

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Link (Side Plate).

track chain link side plate crawler component heavy equipment parts chain assembly industrial machinery components power transmission undercarriage parts Link (Side Plate) Link (Side Plate) in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Track Chain

A continuous chain assembly that forms the structural backbone of a tracked vehicle's undercarriage, transferring power from the drive sprocket to the ground.

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Engineering Analysis

Risks & Mitigation
  • Fatigue fracture under cyclic loading
  • Abrasive wear from contaminated environments
  • Corrosion in wet/chemical exposures
  • Improper heat treatment leading to brittle failure
  • Dimensional inaccuracy causing chain misalignment
FMEA Triads
Trigger: Material fatigue from cyclic stress concentrations
Failure: Crack propagation leading to complete fracture
Mitigation: Implement shot peening for compressive residual stresses, redesign fillet radii, use higher toughness materials
Trigger: Abrasive wear from sand/rock particles
Failure: Dimensional loss leading to chain elongation and derailment
Mitigation: Apply hard-facing coatings, improve sealing systems, implement more frequent cleaning protocols
Trigger: Improper heat treatment
Failure: Brittle fracture or excessive deformation
Mitigation: Implement statistical process control for heat treatment, add non-destructive testing (magnetic particle inspection)

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm on critical dimensions (pin/bushing bores), ±0.3 mm on non-critical dimensions, angular tolerance ±0.5°
Test Method
Dimensional verification via CMM, hardness testing per ISO 6508, magnetic particle inspection per ASTM E1444, fatigue testing per ISO 12107

Buyer Feedback

★★★★☆ 4.7 / 5.0 (35 reviews)

"Testing the Link (Side Plate) now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Link (Side Plate) meets all ISO standards."

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Frequently Asked Questions

What causes premature wear in track chain side plates?

Premature wear typically results from improper tensioning, contamination ingress, inadequate lubrication, or operating beyond design load capacities. Material fatigue and abrasive wear from soil/rock particles are common failure modes.

How often should track chain side plates be inspected?

Visual inspections should occur every 250 operating hours, with detailed dimensional checks every 1000 hours. Ultrasonic testing for cracks is recommended during major overhauls (every 5000 hours).

Can side plates from different manufacturers be mixed in a single track chain?

No. Mixing components from different manufacturers can create dimensional mismatches, uneven load distribution, and accelerated wear. Always use matched sets from the same production batch when possible.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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