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Help CenterForged Steel Rigid Coupling for Mining Equipment With 2-Year Warranty
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As Henan San Kuang Machinery Technology Co., Ltd. - a trusted manufacturer since 2014 with 10,000-30,000 sqm production facilities - we proudly present our heavy-duty forged steel rigid couplings engineered specifically for harsh mining operations. With over US$2.5 million annual export experience serving global markets from North America to Oceania, our couplings deliver unmatched reliability where equipment failure is not an option. The 2-year warranty underscores our commitment to durability in extreme conditions.
Core Engineering Advantages:
- Precision Forging Process: Manufactured through closed-die forging at 1,200°C for superior grain structure
- Zero-Maintenance Design: Eliminates lubrication requirements with maintenance-free operation
- Vibration Damping: Reduces harmonic vibrations by up to 40% compared to cast alternatives
- Torque Transmission: Handles up to 18,500 N·m torque loads without slippage
Technical Specifications:
| Parameter | Standard Range | Custom Options |
| Bore Diameter | 25-150 mm | Up to 300 mm |
| Max RPM | 3,500 | 5,500 (balanced) |
| Misalignment Tolerance | ±0.05° angular | Special designs available |
Our couplings prevent costly downtime in conveyor systems, crushers, and drilling rigs through:
• Impact Resistance: Withstands 5x shock loads of equivalent cast couplings
• Corrosion Protection: Zinc-nickel plating for acidic/abrasive environments
• Quick Installation: Keyless locking designs reduce assembly time by 70%
Backed by 14 international certifications including ISO 9001 and TS16969 quality systems, we've supplied over 51,000 couplings to mining operations across 15 global markets. With direct shipments from Shanghai, Qingdao, or Tianjin ports and a 100-person engineering team supporting custom requirements, we ensure your mining equipment achieves maximum uptime. Contact us today for your project-specific torque calculations.
Frequently Asked Questions:
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Q: Does the warranty cover abrasive wear in mining applications?
A: The warranty covers material defects and workmanship. Wear resistance depends on specific operating conditions. -
Q: Can you provide couplings for non-standard shaft sizes?
A: Yes, our ODM service supports custom bore dimensions and keyway configurations. -
Q: What is the lead time for bulk orders?
A: Standard configurations ship in 15 days; custom designs require 25-30 days. -
Q: Are installation tools included?
A: Mounting hardware kits are available as optional accessories. -
Q: Do you provide material certification?
A: Mill test reports for all forged materials are provided with shipment. -
Q: What payment terms do you accept?
A: We support T/T, LC, and flexible terms for established partners.
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