Structured Manufacturing Data (2026)

Main Frame

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

The primary structural framework of a slipform paver that provides rigidity and support for all other components.

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Product Specifications

Technical details and manufacturing context for Main Frame

Definition
The main frame is the foundational structural component of a slipform paver, serving as the central chassis that supports and aligns the machine's working modules, including the auger, vibrators, and forming shoe. It ensures dimensional stability during concrete placement and paving operations.
Working Principle
The main frame acts as a rigid structural platform that distributes operational loads and maintains geometric alignment of the paving assembly. It moves along the paving direction while supporting the concrete placement and finishing systems.
Common Materials
High-strength steel
Technical Parameters
  • Overall length and width dimensions of the main frame structure (mm) Customizable
Components / BOM
  • Longitudinal Beams Part
    Provide primary longitudinal strength and support along the paving direction
    Material: High-strength steel
  • Cross Members Part
    Connect longitudinal beams and provide transverse stability
    Material: High-strength steel
  • Mounting Brackets Part
    Attachment points for auger assembly, vibrators, and forming shoe
    Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Main Frame.

Chassis Structural Frame slipform paver main frame high-strength steel paver frame structural framework for concrete pavers rigid support frame for paving equipment main frame mounting brackets for pavers

Applied To / Applications

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

Slipform Paver
View system integration details
Cone Crusher
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Crane Superstructure
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Crown Block
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Overhead Guard
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Carrier
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Console Housing
View system integration details
Fan Housing/Cabinet
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 50 MPa compressive load
other spec: Slurry concentration: Up to 70% solids by weight
temperature: -20°C to 50°C
Media Compatibility
✓ Concrete slipforming applications ✓ Asphalt paving operations ✓ Cement stabilized base materials
Unsuitable: Highly corrosive chemical environments without protective coatings
Sizing Data Required
  • Maximum concrete pour rate (m³/hr)
  • Required working width (meters)
  • Maximum vertical lift height (meters)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic loading from operational vibrations, thermal expansion/contraction, or stress concentrations at weld joints or bolt holes leading to crack initiation and propagation.
Corrosion-induced structural weakening
Cause: Exposure to moisture, chemicals, or atmospheric contaminants causing localized pitting, general surface corrosion, or stress corrosion cracking, particularly in high-stress areas or where protective coatings are compromised.
Maintenance Indicators
  • Visible cracks, especially at welded joints, bolt connections, or high-stress transition areas
  • Unusual vibrations, audible creaking/groaning noises, or sudden changes in alignment during operation
Engineering Tips
  • Implement regular non-destructive testing (NDT) inspections using ultrasonic testing or dye penetrant methods to detect early-stage cracks before catastrophic failure
  • Establish a comprehensive corrosion protection program including proper surface preparation, high-quality protective coatings, and regular coating integrity inspections with prompt touch-up repairs

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ASTM A36/A36M Standard Specification for Carbon Structural Steel CE Marking for Machinery Directive 2006/42/EC
Manufacturing Precision
  • Flatness: ≤0.5mm per meter
  • Hole Position: ±0.2mm
Quality Inspection
  • Dimensional Verification with CMM
  • Ultrasonic Testing for Weld Integrity

Factories Producing Main Frame

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 is the primary function of the main frame in a slipform paver?

The main frame serves as the primary structural framework that provides rigidity and support for all other components of the slipform paver, ensuring stability during concrete paving operations.

What materials are used in manufacturing the main frame?

The main frame is constructed from high-strength steel to withstand the demanding conditions of concrete paving while maintaining structural integrity and durability.

What components are included in the main frame BOM?

The main frame bill of materials includes cross members, longitudinal beams, and mounting brackets, all designed to work together as a cohesive structural system.

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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