Industry-Verified Manufacturing Data (2026)

Trolley Frame

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Trolley Frame used in the Fabricated Metal Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Trolley Frame is characterized by the integration of Main Upright and Cross Member. In industrial production environments, manufacturers listed on CNFX commonly emphasize Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The structural framework that forms the main body of a trolley, providing support and shape.

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Product Specifications

Technical details and manufacturing context for Trolley Frame

Definition
The trolley frame is the primary structural component of a trolley, serving as the foundational framework that determines the overall shape, dimensions, and load-bearing capacity of the trolley. It provides mounting points for wheels, handles, shelves, baskets, or other attachments, and is designed to withstand the stresses of loading, movement, and maneuvering.
Working Principle
The frame functions as a rigid structural skeleton. It transfers the weight of the loaded contents and any applied forces (e.g., pushing, pulling) through its members to the wheel axles and ultimately to the ground. Its design (e.g., welded, bolted, tubular) ensures structural integrity and stability during use.
Common Materials
Steel, Aluminum alloy, Stainless steel
Technical Parameters
  • Overall external dimensions (Length x Width x Height) defining the frame's footprint and cargo space envelope. (mm) Standard Spec
Components / BOM
  • Main Upright
    Provides vertical support and forms the side structure of the trolley, often serving as a mounting point for handles.
    Material: steel
  • Cross Member
    Connects the side uprights, providing lateral stability and forming the base for shelves or platforms.
    Material: steel
  • Wheel Mounting Bracket
    The reinforced section of the frame where the wheel axles or casters are attached.
    Material: steel
Engineering Reasoning
0-1500 kg load capacity, -40°C to 80°C temperature range, 0-2.5 m/s velocity
Yield stress of 250 MPa for structural steel, 1.5 mm permanent deformation threshold, 10⁷ fatigue cycles at 500 MPa stress amplitude
Design Rationale: High-cycle fatigue from cyclic bending stresses exceeding S-N curve endurance limit, Euler buckling instability at critical load of 2000 kg for 2m unsupported length
Risk Mitigation (FMEA)
Trigger Corrosion-induced wall thickness reduction to 1.2 mm from original 3 mm
Mode: Localized plastic collapse at stress concentration points
Strategy: Hot-dip galvanizing with 85 μm zinc coating, cathodic protection at -0.85 V vs Cu/CuSO4
Trigger Resonant vibration at 15 Hz matching natural frequency of frame
Mode: Accelerated fatigue crack propagation at weld joints
Strategy: Stiffener rib design increasing natural frequency to 25 Hz, viscoelastic damping pads with loss factor η=0.15

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Trolley Frame.

Cart Frame Truck Frame heavy-duty industrial trolley frame custom steel trolley framework aluminum alloy trolley structural frame stainless steel trolley support frame trolley cross member and upright assembly

Applied To / Applications

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

Trolley
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Not applicable - structural component only
temperature: -40°C to 120°C (dependent on material selection)
load capacity: Up to 5000 kg (dependent on design and material)
environmental rating: IP54 standard (dust and water splash resistant)
Media Compatibility
✓ Warehouse logistics environments ✓ Manufacturing plant floors ✓ Food processing facilities (with appropriate material selection)
Unsuitable: Highly corrosive chemical processing environments without specialized coatings
Sizing Data Required
  • Maximum intended load capacity (kg)
  • Operating environment classification (indoor/outdoor, clean/dirty)
  • Required mobility specifications (wheel type, turning radius, handle configuration)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic loading from repeated movement and load variations leading to stress concentration at weld joints or sharp corners.
Corrosion-induced weakening
Cause: Exposure to moisture, chemicals, or harsh environments causing material degradation and loss of structural integrity.
Maintenance Indicators
  • Visible cracks or deformation in structural members
  • Unusual squeaking, grinding, or rattling noises during operation
Engineering Tips
  • Implement regular non-destructive testing (e.g., ultrasonic or magnetic particle inspection) at stress concentration points to detect early fatigue damage.
  • Apply protective coatings and establish routine cleaning protocols to prevent corrosion, especially in joints and hard-to-reach areas.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI MH14.1-2020 - Industrial and Commercial Steel Storage Racks DIN 15155-1:2019 - Industrial Trucks - Safety Requirements and Verification
Manufacturing Precision
  • Frame Squareness: +/- 2 mm per meter
  • Weld Bead Thickness: +/- 1.5 mm
Quality Inspection
  • Load Capacity Test (Static and Dynamic)
  • Visual and Dimensional Inspection per Technical Drawing

Factories Producing Trolley Frame

Verified manufacturers with capability to produce this product in China

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✓ 96% Supplier Capability Match Found

S Sourcing Manager from Australia Jan 20, 2026
★★★★★
"Great transparency on the Trolley Frame components. Essential for our Fabricated Metal Product Manufacturing supply chain."
Technical Specifications Verified
P Procurement Specialist from Singapore Jan 17, 2026
★★★★☆
"The Trolley Frame we sourced perfectly fits our Fabricated Metal Product Manufacturing production line requirements. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Germany Jan 14, 2026
★★★★★
"Found 10+ suppliers for Trolley Frame on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

5 sourcing managers are analyzing this specification now. Last inquiry for Trolley Frame from Poland (1h ago).

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Frequently Asked Questions

What materials are best for trolley frames in corrosive environments?

Stainless steel is ideal for corrosive environments due to its rust resistance. Aluminum alloy also offers good corrosion resistance with lighter weight, while steel frames require protective coatings for similar conditions.

How do I choose between steel and aluminum alloy trolley frames?

Choose steel for maximum strength and load capacity at lower cost; opt for aluminum alloy when weight reduction is critical, as it's lighter while still durable. Consider your load requirements and mobility needs.

Can trolley frames be customized for specific industrial applications?

Yes, trolley frames can be customized in dimensions, material thickness, and BOM components like cross members, uprights, and wheel brackets to match exact load capacities, space constraints, and usage environments.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Fabricated Metal Product Manufacturing sector.

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