Heavy Duty
High Load
Built for extreme pulling forces. Manufactured using large-diameter, high-tensile wire and forged hooks, our heavy-duty extension springs are designed to withstand massive dynamic loads in agricultural machinery, construction equipment, and heavy industrial applications.
Technical Specifications
Robust manufacturing parameters for high-stress extension requirements.
| Parameter | Specification Range | Standard Tolerance |
|---|---|---|
| Wire Diameter (d) | 1.0 mm - 12.0 mm | ± 0.02 mm - ± 0.08 mm |
| Outer Diameter (OD) | 8.0 mm - 80.0 mm | ± 0.2 mm - ± 0.8 mm |
| Load Capacity | 50 N - 1000 N | ± 10% (Tested at extended length) |
| Material Standard | Chrome Silicon, Oil Tempered Wire, High-Tensile Carbon Steel | |
| Hook Strength | Reinforced crossover loops, threaded inserts, or forged swivel hooks available | |
Features & Advantages
Uncompromising durability under maximum extension.
Since hooks endure the most stress, we utilize specialized forming techniques or insert separate forged hooks to prevent loop breakage under heavy loads.
Manufactured from premium Chrome Silicon and Oil Tempered wire to maximize the yield strength and prevent permanent deformation.
Optional intense shot peening induces compressive stress on the wire surface, dramatically increasing fatigue life during repetitive heavy stretching.
Finished with heavy-duty powder coating or black oxide to withstand harsh outdoor environments and abrasive industrial settings.
Heavy Duty Applications
Powering heavy machinery and high-force mechanisms.
Agricultural Machinery
Pulling components for plows, tractors, and harvesting equipment.
Construction Equipment
Providing heavy return force in excavators, loaders, and industrial hoists.
Trampoline Systems
High-cycle counter-balance springs requiring extreme fatigue resistance.
Commercial Transport
Brake return springs and heavy-duty suspension extensions for trucks and trailers.
Ready to Optimize Your Manufacturing?
Send us your CAD files, blueprints, or performance requirements. Our engineering team will provide a comprehensive DFM (Design for Manufacturability) analysis and quote within 24 hours.