Flange Yoke 2908000653001 | High-Torque for Rock Drill Jumbos
2908000653001 Flange Yoke for Rock Drill Jumbos – 42CrMo4 Alloy, HRC50-55 Hardness, 5000N·m Torque Capacity
42CrMo4 alloy steel | Induction-hardened (3-4mm depth) | HRC50-55 surface hardness

Flange Yoke 2908000653001 | High-Torque for Rock Drill Jumbos

Part Number: 2908000653001
  • Technical Specifications:
    • Material: 42CrMo4 alloy steel (EN 10083-3)
    • Hardness: HRC50-55 (surface); HRC30-35 (core)
    • Precision: IT7 dimensional tolerance (ISO 286-1)
    • Tensile Strength: 1200MPa
  • Design Features:
    • Spline Connection: DIN 5480 (30 teeth, module 3)
    • Surface Treatment: 8μm zinc plating (ASTM B633)
    • Torque Capacity: 5000N·m (continuous operation)
  • Performance Metrics:
    • Corrosion Resistance: 72-hour salt spray test (ASTM B117)
    • Operating Temperature: -30°C to +100°C
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Heavy-Duty Flange Yoke for Rock Drill Jumbos
This flange yoke is engineered to transmit high torque in rock drill jumbo drive systems, withstanding extreme vibration and abrasive conditions in mining environments. Its robust design ensures reliable power transfer between the transmission and drive shaft, critical for equipment mobility and drilling efficiency.

 

Technical Specifications & Design

 

  • Material & Durability:
    • Constructed from 42CrMo4 alloy steel, featuring induction-hardened surfaces (HRC50-55) and a tough core (HRC30-35) to balance wear resistance and impact strength. This material achieves 1200MPa tensile strength, making it suitable for heavy-duty torque transmission .
    • 8μm zinc plating provides 72-hour salt spray resistance (ASTM B117), protecting against corrosion in damp underground mines .
  • Precision Engineering:
    • IT7 precision machining (ISO 286-1) ensures seamless alignment with mating components, reducing backlash and noise during operation. The DIN 5480 spline connection (30 teeth, module 3) enables efficient torque transfer with minimal power loss .
  • Performance Under Load:
    • Rated for 5000N·m continuous torque, it handles peak loads during drill arm rotation and vehicle maneuvering. The operating temperature range (-30°C to +100°C) ensures performance stability in both cold underground and high-friction environments .

 

Applications
  • Rock Drill Jumbos: Integral to drive shaft assemblies, connecting transmissions to differential systems.
  • Mining Equipment: Compatible with loaders, haul trucks, and tunneling machines requiring high-torque drive components.
  • Industrial Machinery: Suitable for crushers, conveyors, and material handling systems in abrasive conditions.

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