C110002198036 Spring for Rock Drill Jumbos – 51CrV4 Steel, 12mm Diameter, 80mm Length, 50N/mm Spring Rate
51CrV4 spring steel construction | 3mm wire diameter | 12mm outer diameter | Shot-peened surface for fatigue resistance

Spring C110002198036 Heavy-Duty 51CrV4 Steel for Rock Drill Jumbos

Part Number: C110002198036
  • Technical Specifications:
    • Material: 51CrV4 spring steel (EN 10089 compliant)
    • Dimensions:
      • Outer diameter:
      • Wire diameter:
      • Free length:
      • Compressed length (max load): 40mm
      • Weight: 0.08kg
    • Performance:
      • Spring rate:
      • Maximum load:
    • Environmental Resistance:
      • Operating temperature: -40°C to +200°C
      • Surface treatment: Zinc plating (1000-hour salt spray resistance, ASTM B117)
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Heavy-Duty Spring for Rock Drill Jumbos
Engineered to absorb dynamic loads in rock drill jumbos, this spring ensures reliable performance in high-vibration drilling operations. Constructed from 51CrV4 spring steel with a 50N/mm stiffness rating, it balances flexibility and strength to protect pivot points and mechanical components from excessive wear .

 

Technical Specifications & Design
  • Core Components:
    • 51CrV4 Spring Steel: Compliant with EN 10089 standards, offering 1800MPa tensile strength and superior fatigue resistance for repetitive loading .
    • Zinc Plating: Provides 1000-hour salt spray resistance (ASTM B117), preventing corrosion in damp mining environments .
    • Precision Coiling: Ensures consistent spring rate (50N/mm) across the entire 80mm free length, critical for uniform load distribution .

 

Performance Advantages
  • Durability:
    • Passed 1,000,000-cycle fatigue testing (ISO 10243), exceeding industry requirements for rock drill applications .
    • Withstands -40°C to +200°C temperatures, adapting to extreme underground and surface mining conditions .
  • Load Handling:
    • 200N maximum load capacity with 40mm compressed length, ideal for drill arm pivot damping .
    • Compatible with H12 bolts for secure mounting in structural frames .

 

Applications
  • Rock Drill Jumbos: Used in drill arm pivot points, hydraulic cylinder mounts, and vibration isolation systems.
  • Mining Equipment: Suitable for excavators, loaders, and tunneling machines requiring heavy-duty springs.
  • Industrial Machinery: Integrates with crushers, conveyors, and presses for shock absorption.

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