C1100021391 Shock Absorber for Rock Drill Jumbos – 50mm Stroke, 800N Damping Force, 304 Stainless Steel Casing
304 stainless steel casing | Nitrile rubber (NBR) damping core | 60 Shore A hardness for vibration absorption

Shock Absorber C1100021391 Heavy-Duty Vibration Damping for Rock Drill Jumbos

Part Number: C1100021391
  • Technical Specifications:
    • Material:
      • Casing: 304 stainless steel (ASTM A240 compliant)
      • Damping core: Nitrile rubber (NBR, 60 Shore A)
    • Dimensions:
      • Total length:
      • Stroke:
      • Outer diameter:
      • Mounting hole: M12 threaded (2 pcs, 120mm center distance)
      • Weight: 1.8kg
    • Performance:
      • Damping force:
      • Operating temperature: -30°C to +80°C
      • Fatigue life: 100,000 cycles (ISO 18737 compliant)
      • Protection rating: IP65 (IEC 60529)
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Heavy-Duty Shock Absorber for Rock Drill Jumbos
Engineered to mitigate excessive vibration in rock drill jumbos, this shock absorber protects critical components from dynamic loads during drilling operations. Its 304 stainless steel casing and NBR rubber core deliver consistent damping performance, even in harsh mining environments with dust, moisture, and temperature fluctuations .

 

Technical Specifications & Design
  • Core Components:
    • 304 Stainless Steel Casing: Resists corrosion in underground and surface mining conditions, compliant with ASTM A240 standards for durability .
    • NBR Damping Core: 60 Shore A hardness rubber provides optimal energy absorption, reducing vibration transmission by 40% in drill arm pivot points .
    • M12 Threaded Mounts: Ensures secure attachment to structural frames, compatible with standard fasteners .

 

Performance Advantages
  • Vibration Reduction: 800N damping force at 0.5m/s velocity minimizes equipment wear, extending service intervals for hydraulic hoses and electrical components .
  • Environmental Resilience:
    • IP65 rating (IEC 60529) protects against dust ingress and low-pressure water jets .
    • Wide temperature range (-30°C to +80°C) adapts to extreme climate conditions .
  • Longevity: Passed 100,000-cycle fatigue testing per ISO 18737, ensuring reliable performance in high-frequency vibration scenarios .

 

Applications
  • Rock Drill Jumbos: Installed at drill arm pivot points and frame connections to dampen drilling-induced vibration.
  • Mining Equipment: Compatible with tunnel boring machines, hydraulic drills, and heavy-duty loaders.
  • Industrial Machinery: Suitable for construction equipment requiring vibration control in abrasive environments.

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