Structured Manufacturing Data (2026)

Lattice Boom

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Lattice Boom 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 Lattice Boom is characterized by the integration of Chord Members and Lacings. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-strength steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A structural component of a lattice boom crane consisting of interconnected steel members forming a truss structure for load lifting and positioning.

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Product Specifications

Technical details and manufacturing context for Lattice Boom

Definition

The lattice boom is the primary load-bearing arm of a lattice boom crane, constructed from steel tubes or angles arranged in triangular patterns to create a lightweight yet strong truss structure. It provides the extended reach and height necessary for lifting heavy loads while maintaining structural integrity through efficient load distribution across its geometric framework.

Working Principle

The lattice boom operates as a cantilevered beam that transfers lifting forces from the hook through its truss structure to the crane's slewing ring and base. Its triangular lattice design minimizes weight while maximizing strength through tension and compression distribution along individual members, allowing for longer spans and higher load capacities compared to solid booms of equivalent weight.

Common Materials

High-strength steel, Alloy steel

Technical Parameters

Boom length determines maximum reach and lifting height (meters) Customizable

Components / BOM

Chord Members Part
Primary longitudinal load-bearing elements forming the boom's main structure

Material: High-strength steel
Lacings Part
Diagonal and horizontal members connecting chords to form triangular patterns for stability

Material: Steel tubing
Boom Foot Part
Connection point where boom attaches to crane's slewing platform

Material: Forged steel
Boom Head
Upper end where lifting ropes, sheaves, and hook block are attached

Material: Cast steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lattice Boom.

Applied To / Applications

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

Lattice Boom Crane

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Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Downstream Applications

Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits

pressure:	N/A (structural component, not pressure vessel)
other spec:	Max wind speed: 20 m/s (operational), 40 m/s (survival)
temperature:	-40°C to +50°C (operational ambient range)

Media Compatibility

✓ General construction materials (steel beams, concrete blocks) ✓ Industrial equipment modules ✓ Prefabricated building components

Unsuitable: Corrosive marine environments without proper protective coatings

Sizing Data Required

Maximum lifting capacity (tons)
Required boom length/working radius (meters)
Site-specific wind load conditions

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

Crack propagation at weld joints

Cause: Cyclic loading fatigue from repeated lifting operations, exacerbated by stress concentrations at weld transitions and potential welding defects

Corrosion-induced section loss

Cause: Environmental exposure to moisture, chemicals, or salt leading to pitting and uniform corrosion, particularly in lattice joints and hard-to-inspect areas

Maintenance Indicators

Audible metallic popping or cracking sounds during operation
Visible misalignment or deformation of lattice sections under no load

Engineering Tips

Implement regular non-destructive testing (NDT) at critical weld joints using magnetic particle or ultrasonic methods to detect early crack initiation
Establish comprehensive corrosion protection program including proper surface preparation, high-quality coating systems, and routine inspection of coating integrity with prompt touch-up repairs

Compliance & Manufacturing Standards

Reference Standards

ISO 4309:2010 - Cranes - Wire ropes - Care, maintenance, installation, examination and discard ANSI/ASME B30.5 - Mobile and Locomotive Cranes EN 13001-2:2014 - Crane safety - General design - Part 2: Load actions

Manufacturing Precision

Boom section alignment: +/- 0.5mm per meter length
Pin hole diameter: +/- 0.05mm for critical load-bearing connections

Quality Inspection

Magnetic Particle Inspection (MPI) for weld integrity and crack detection
Ultrasonic Testing (UT) for material thickness verification and internal flaw detection

Factories Producing Lattice Boom

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.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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 are the main components of a lattice boom?

A lattice boom consists of four key components: Boom Foot (base connection), Boom Head (top attachment point), Chord Members (primary load-bearing elements), and Lacings (diagonal bracing members that form the truss structure).

What materials are used in manufacturing lattice booms?

Lattice booms are primarily constructed from high-strength steel and alloy steel, selected for their superior strength-to-weight ratio, durability, and resistance to fatigue under heavy load conditions.

How does the truss structure benefit crane operations?

The interconnected truss design provides exceptional structural rigidity with minimal weight, allowing for greater lifting heights and capacities while maintaining stability during load positioning and movement.

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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