Structured Manufacturing Data (2026)

Overhead Crane

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Overhead Crane 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 Overhead Crane is characterized by the integration of Bridge Girder and End Trucks. In industrial production environments, manufacturers listed on CNFX commonly emphasize Structural Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A material handling machine that moves loads horizontally and vertically along a fixed overhead runway system.

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Product Specifications

Technical details and manufacturing context for Overhead Crane

Definition
An overhead crane is a type of industrial lifting equipment consisting of parallel runways with a traveling bridge spanning the gap. The bridge carries a hoist which moves along the bridge to lift, lower, and transport heavy materials within a defined rectangular area. These cranes are typically installed in manufacturing plants, warehouses, and assembly facilities where they provide efficient material handling over large work areas without occupying floor space.
Working Principle
Overhead cranes operate using electric motors to drive three main movements: bridge travel along the runway beams, trolley travel across the bridge, and hoist lifting/lowering. The crane receives power through conductor bars or festoon systems. Operators control the crane via pendant stations or radio remote controls, coordinating the three axes of movement to precisely position loads. Safety systems include overload protection, limit switches, and emergency stop functions.
Common Materials
Structural Steel, Alloy Steel
Technical Parameters
  • Maximum lifting capacity of the crane (metric tons) Per Request
Components / BOM
  • Bridge Girder
    Main horizontal beam that spans between runways and supports the trolley
    Material: Structural steel with box or I-beam construction
  • End Trucks
    Support structures at each end of the bridge that contain wheels for runway travel
    Material: Steel fabrication with hardened steel wheels
  • Hoist Unit
    Lifting mechanism consisting of motor, gearbox, drum, and wire rope or chain
    Material: Steel housing with alloy steel gears and components
  • Trolley
    Carriage that moves along the bridge girder and carries the hoist
    Material: Steel frame with wheels and drive mechanism
  • Runway Beams Part
    Parallel beams mounted to building structure that support the crane's travel
    Material: Structural steel I-beams or box sections
  • Control System
    Operator interface for controlling crane movements, including pendant or remote control
    Material: Electronic components in protective housing
  • Power Feed System
    System that delivers electrical power to the moving crane, typically conductor bars or festoon
    Material: Copper conductors with insulating materials
  • Safety Devices
    Includes limit switches, overload protection, emergency stops, and warning systems
    Material: Various electronic and mechanical components
  • Cabin
    Operator's cab for controlling the crane from an elevated position
    Material: Steel frame with safety glass and insulation
  • Magnet System
    Electromagnetic lifting attachment for handling ferrous materials
    Material: Copper windings with steel core and housing

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Overhead Crane.

Bridge Crane EOT Crane Industrial Crane Overhead Traveling Crane Gantry Crane heavy duty overhead crane for manufacturing structural steel overhead crane system FEM ISO classified industrial crane overhead crane with magnet system customizable overhead crane specifications

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (mechanical system)
other spec: Max wind speed: 20 m/s (operational), 40 m/s (survival); Humidity: ≤95% non-condensing; Duty cycle: C1-C6 per FEM 9.511
temperature: -20°C to +40°C (standard), -40°C to +60°C (specialized)
Media Compatibility
✓ Steel beams and plates ✓ Machinery components ✓ Containerized goods
Unsuitable: Explosive atmospheres (ATEX zones 0/1) without explosion-proof certification
Sizing Data Required
  • Maximum load capacity (tons)
  • Span length between runways (meters)
  • Lifting height/hoist travel (meters)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wire rope degradation
Cause: Fatigue from repeated bending over sheaves, corrosion from environmental exposure, or improper spooling causing kinks and abrasion.
Brake system failure
Cause: Wear of brake linings/pads, contamination of braking surfaces with oil/grease, or misadjustment leading to insufficient braking torque or drag.
Maintenance Indicators
  • Unusual grinding or squealing noises during hoisting or trolley movement
  • Excessive sway or drift of the load when stopping, indicating brake slippage or mechanical play
Engineering Tips
  • Implement regular non-destructive testing (NDT) of critical components like wire ropes, hooks, and structural welds to detect internal flaws before catastrophic failure.
  • Establish and enforce strict load testing and calibration schedules for limit switches, overload protection devices, and braking systems to ensure safety functions operate within design specifications.

Compliance & Manufacturing Standards

Reference Standards
ISO 8686-1:2012 - Cranes - Design principles for loads and load combinations ANSI/ASME B30.2-2021 - Overhead and Gantry Cranes (Top Running Bridge, Single or Multiple Girder, Top Running Trolley Hoist) DIN EN 15011:2011 - Cranes - Bridge and gantry cranes
Manufacturing Precision
  • Wheel alignment: +/- 0.5mm per meter of span
  • Hook block vertical alignment: +/- 1 degree from plumb under rated load
Quality Inspection
  • Load Test - 125% of rated capacity for structural integrity
  • Non-Destructive Testing (NDT) - Magnetic Particle Inspection of critical welds and components

Factories Producing Overhead Crane

Manufacturer profiles with relevant production capability in China

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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 the construction of this overhead crane?

Our overhead cranes are constructed using high-grade Structural Steel and Alloy Steel components, ensuring durability and reliability in demanding industrial environments.

How do I determine the appropriate duty class for my application?

The duty class (FEM/ISO classification) depends on your operational intensity - we help assess load cycles, usage frequency, and environmental factors to recommend the optimal class for your machinery manufacturing needs.

What safety features are included with the overhead crane system?

Our cranes include comprehensive safety devices such as overload protection, emergency stop systems, limit switches, and optional cabin controls with visibility enhancements for operator safety.

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 for Machinery and Equipment Manufacturing.

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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