Custom slew bearing for Spain customer

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Slew bearing for Brazll customer

Slewing bearings exported to Russla

Slewing bearings for UnitedStates customer

Slewing ring exported to Southeast Asia

Slewing ring exported to Southwest Asia

Slewing ring exported to North America

Slewing ring exported to South America

Slewing ring exported to South Africa

Slew bearing for India customer

Slew bearing for Latin America customer

Slewing bearing for Türkiye customer

Slewing bearing for Uzbekistan customer

Slewing ring exported to South Korea

Slewing ring exported to Mexico

Custom slew bearing for Mexico customer

Custom slew bearing for Italy customer

Custom slew bearing for Vietnam customer

Slewing bearing for Europe customer

Product Series Overview: Tailored for Your Operational Reality

• SDE Series (Standard Duty Excellence): The Reliable Workhorse
  Optimized for applications requiring high durability and consistent performance without the need for ultra-specialized specs. The SDE Series features hardened alloy steel gears, IP67 sealing, and a reinforced ductile iron housing. It is the ideal choice for mobile truck cranes, standard tower cranes, aerial work platforms, and general industrial rotators where uptime and value are critical.
• PDE Series (Premium Duty Engineering): The Extreme Environment Specialist
  Designed for the harshest conditions on Earth. The PDE Series utilizes ultra-precision grinding to achieve minimal backlash, enhanced thermal dissipation structures, and specialized anti-corrosion coatings (C5-M). With a refined globoid profile that maximizes contact efficiency, the PDE Series offers superior stiffness and smoothness, making it the definitive solution for offshore marine cranes, heavy-duty crawler cranes, wind turbine installation vessels, and mining excavators.

Key Features: Why the SDE & PDE Series Stand Out

1. Double-Enveloping Gear Core: Both series utilize our signature hourglass worm. This ensures multiple teeth share the load simultaneously, providing exceptional resistance to shock loads (common in lifting) and eliminating the "stick-slip" motion found in lesser drives.
2. Inherent Self-Locking Safety: The unique friction angle of the globoid mesh acts as a fail-safe mechanical brake. If power or hydraulic pressure is lost, the drive holds the load securely in place, preventing dangerous drifting—a critical requirement for vertical axis applications.
3. Rugged Environmental Protection: Rated IP66/IP67/IP68 depending on configuration, these drives are hermetically sealed against dust, heavy rain, salt spray, and humidity. The PDE Series optionally features specialized epoxy coatings for extreme corrosive environments like offshore oil rigs.
4. High Torque Density in a Compact Design: By optimizing the gear geometry, we deliver higher output torque in a smaller footprint compared to traditional cylindrical drives. This allows for lighter crane superstructures and increased payload capacity.
5. Long-Life Lubrication System: Pre-filled with high-performance synthetic lubricants designed for wide temperature ranges (-40°C to +80°C), both series offer "sealed-for-life" maintenance intervals, drastically reducing total cost of ownership (TCO) and downtime.

Applications: Powering the World’s Heaviest Lifts

• Mobile & Truck Cranes:
  • SDE Series: Provides reliable, self-locking rotation for quick setup and precise load placement in urban and rough-terrain environments.
• Tower Cranes:
  • SDE Series: Ensures stable slewing at great heights, handling wind loads effectively for standard construction projects.
• Offshore & Marine Cranes:
  • PDE Series: Specifically engineered to resist saltwater corrosion and handle the dynamic shock loads of vessel movement, making them ideal for shipboard and platform cranes.
• Crawler Cranes & Heavy Lifters:
  • PDE Series: Handles the massive torque requirements of large crawler cranes used in bridge building, wind farm installation, and heavy industrial construction.
• Aerial Work Platforms (AWP):
  • SDE Series: Delivers smooth, safe rotation for boom lifts and scissor lifts, ensuring operator stability.
• Mining & Excavation Equipment:
• PDE Series: Withstands the extreme dust, vibration, and shock loads found in open-pit mining and heavy excavation operations.

Why Partner with Us? Your Trusted Source for Heavy-Duty Drives

• Specialized Globoid Manufacturing: We possess advanced 5-axis CNC hobbing and grinding capabilities specifically calibrated for complex hourglass profiles. This ensures the geometric accuracy that defines the superior performance of our PDE series.
• Rigorous Quality Assurance: Every SDE and PDE unit undergoes comprehensive testing, including full-load torque verification, backlash measurement, salt spray corrosion tests, and endurance runs simulating real-world shock loads. We provide full material certification (MTRs) and traceability.
• Custom Engineering Support: We don’t just sell catalog items. Our R&D team works closely with your engineers to customize gear ratios, mounting interfaces, sealing solutions, and lubrication specifications to fit your specific crane model and operational environment.
• Global Compliance: Our drives meet international standards including ISO 9001, CE, and relevant DIN/ISO crane safety standards. We provide complete documentation to streamline your procurement and certification processes.
• Competitive Value Without Compromise: By leveraging efficient manufacturing processes in China, we offer European-level quality and durability at a highly competitive price point, helping you reduce CAPEX while maintaining the highest safety standards.

Tag: High-Quality Slew Drive