Structured Manufacturing Data (2026)

Hinge Joints

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Hinge Joints used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Hinge Joints is characterized by the integration of Hinge Pin and Clevis. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-strength alloy steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Mechanical joints that allow rotational movement between connected boom sections.

Product Specifications

Technical details and manufacturing context for Hinge Joints

Definition
Hinge joints are critical components in articulated booms that enable controlled rotational movement between adjacent boom sections, allowing the boom to articulate and reach various positions while maintaining structural integrity and load-bearing capacity.
Working Principle
Hinge joints operate on a pin-and-clevis principle where a cylindrical pin passes through aligned holes in two connected parts, allowing rotation around a single axis while preventing movement in other directions.
Common Materials
High-strength alloy steel
Technical Parameters
  • Pin diameter and bore size specifications (mm) Standard Spec
Components / BOM
  • Hinge Pin Part
    Provides the rotational axis and transfers loads between connected parts
    Material: Hardened alloy steel
  • Clevis Part
    U-shaped bracket that holds the hinge pin and connects to boom sections
    Material: High-strength steel
  • Bushings/Bearings Part
    Reduce friction between moving parts and provide wear resistance
    Material: Bronze or polymer composite
  • Retaining Mechanism Part
    Secures the hinge pin in place (cotter pins, bolts, or locking rings)
    Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Hinge Joints.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 MPa (static), 5 MPa (dynamic)
other spec: Max angular deflection: ±15°, Max rotational speed: 30 RPM, Slurry concentration: ≤40% solids by weight
temperature: -40°C to 120°C
Media Compatibility
✓ Hydraulic fluid systems ✓ Industrial water circuits ✓ Mining slurry transport
Unsuitable: High-purity pharmaceutical processing (risk of particulate contamination)
Sizing Data Required
  • Boom section diameter (mm)
  • Required torque capacity (Nm)
  • Maximum operating angle (degrees)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wear and fretting corrosion
Cause: Repeated micro-motion between pin and bushing surfaces leading to material loss and oxidation
Fatigue cracking
Cause: Cyclic loading exceeding material endurance limit, often initiated at stress concentration points like pin holes or weld joints
Maintenance Indicators
  • Excessive play or looseness beyond manufacturer specifications
  • Audible squeaking, grinding, or popping during operation
Engineering Tips
  • Implement proper lubrication schedule with appropriate grease type for specific environmental conditions
  • Install wear indicators or conduct regular dimensional inspections to monitor pin/bushing clearance before catastrophic failure

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ASTM A276/A276M-17 - Standard Specification for Stainless Steel Bars and Shapes DIN 7990 - Hinges for furniture
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Flatness of mounting surface: 0.1mm
Quality Inspection
  • Dye Penetrant Test for surface defects
  • Torque cycle testing for durability

Factories Producing Hinge Joints

Manufacturer profiles with relevant production capability in China

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in these hinge joints?

Our hinge joints are manufactured from high-strength alloy steel for maximum durability and load-bearing capacity in industrial applications.

What components are included in the hinge joint assembly?

Each hinge joint assembly includes bushings/bearings, clevis, hinge pin, and retaining mechanism for complete rotational functionality.

What types of machinery use these hinge joints?

These hinge joints are designed for machinery and equipment manufacturing applications where rotational movement between connected boom sections is required, such as in construction equipment and material handling systems.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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