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Forged Trunk Lever
The hot forging process ensures a dense internal metal structure, high tensile strength, excellent fatigue resistance, and the ability to withstand repeated heavy loads during train operation. The dimensional accuracy is stable, and it has good compatibility with various braking components for assembly. It supports OEM/ODM customization based on drawings or samples and can provide material inspection reports. It is widely used in the manufacturing of new railway vehicles and freight car maintenance projects.
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▍Product Advantage
High-strength hot forging structure
Made of high-quality carbon steel through hot forging process, the internal metal grain is compact. It delivers excellent tensile strength and fatigue resistance, reliably withstands repeated heavy impact loads during railway operation.
Precision machining & stable dimension
Mounting holes are precision machined with strict tolerance control. It ensures good assembly fit with other brake rigging components, reduces assembly error.
Customization capability
Support OEM & ODM service. We can manufacture parts strictly according to your drawings or physical samples to meet different railway project requirements.
Reliable quality traceability
Each batch can provide material test certificates and factory inspection reports. Products comply with railway industry quality standards.
Long service life
Good wear resistance and impact resistance. Suitable for long-term use in harsh working environments of freight wagon brake systems.
▍Technical Parameters
Item | Specification |
|---|---|
Product Name | Forged Trunk Lever / Railway Wagon Brake Lever |
Part No. | HY-RZ, 027-10572 |
Material | High strength carbon steel (1045 / Q355, alloy steel optional) |
Manufacturing Process | Hot forging + CNC machining |
Surface Treatment | Shot blasting / Anti-rust paint / As forged (optional) |
Structure | Integral forged with hook, two mounting holes |
Application | Railway freight wagon brake rigging system |
Quality Standard | Railway industry standard, ISO9001 |
Available Document | Material test certificate, factory inspection report |
Customization | OEM & ODM supported, produce by drawing or sample |
▍Product Uses
This forged trunk lever is a key component of the brake rigging system for railway freight wagons. It transmits braking force during train braking and release operations, working together with other brake parts to realize the braking function of freight cars.
Widely used in:
New manufacturing of railway freight wagons
Maintenance and overhaul of existing railroad freight vehicles
Railway rolling stock spare parts replacement projects
Precision Embedded & Easy Installation
Smooth shank and standardized embedded length ensure tight bonding with concrete, no loosening after pouring. The ergonomic lifting lug design enables quick sling connection, cutting precast lifting preparation time by 40%.
Durable Anti-Corrosion & Long Service Life
Features galvanized or black oxide surface treatment, coating thickness ≥80μm, resisting rust and concrete alkali corrosion. It adapts to harsh construction sites and outdoor storage, maintaining performance for over 15 years.
Standard Compliance & Wide Compatibility
Manufactured in line with EN 13369 and ASTM precast standards, suitable for various precast elements like walls, beams and hollow slabs. Compatible with standard lifting slings and shackles, meeting global construction requirements.
▍Technical Parameters
Item | Specification Details | Remarks |
Product Name | 45° Erection Anchor | Precast Concrete Lifting Anchor |
Installation Angle | Fixed 45° | Optimized Force Distribution |
Material | High-Strength Forged Alloy Steel | Integral Quenching & Tempering |
Tensile Strength | ≥950MPa | Anti-Fracture & Anti-Deformation |
Safety Factor | 4:1 Standard | Meet Global Construction Norms |
Surface Treatment | Galvanized / Black Oxide | Coating Thickness ≥80um |
Executive Standard | EN 13369, ASTM | Precast ConcreteIndustry Standard |
Load Rating Range | 2T-12T Customizable | 100% Pull-Out Tested |
Embedded Depth | Standardized 80-150mm | Tight Concrete Bonding |
Application Environment | Outdoor Construction Sites | Alkali & Rust Resistance |
▍Product Uses
Precast Concrete Wall Installation
Ideal for lifting and installing precast concrete wall panels in residential and commercial construction. The 45° angle ensures balanced force distribution, reduces concrete stress, and prevents cracks during lifting, positioning, and assembly.
Precast Beam & Slab Lifting
Widely used for hoisting precast beams, hollow core slabs, and floor components. With high load capacity and reliable concrete bonding, it supports safe and efficient handling in prefabricated building projects.
Retaining Wall & Infrastructure Projects
Suitable for lifting precast retaining walls, culverts, and drainage components. Its corrosion-resistant structure performs well in outdoor and long-term construction environments.
Bridge & Prefabricated Components
Applied in bridge engineering for lifting small-to-medium precast elements. It meets strict construction standards and provides stable lifting for highway, railway, and municipal infrastructure.
Modular Building & Industrial Construction
Used in modular factories and industrial buildings for lifting various precast components. It improves installation efficiency and ensures high safety during on-site assembly.
▍Product Operate Guide
1. Conduct regular inspection on the trunk lever during wagon maintenance. Focus on checking for surface cracks, deformation and heavy wear.
2. Check the matching clearance of pin holes and the flexibility of linkage movement. Apply anti-rust lubricant periodically.
3. Clean dirt and corrosive deposits on the surface to prevent rusting.
4. Increase inspection frequency for wagons running in wet, dusty or harsh environments.
5. Replace the lever immediately if cracks, permanent deformation or severe abrasion are detected.
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