Cone Crusher Main Shaft

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Premium ​​Cone Crusher Main Shaft​​

The ​​Cone Crusher Main Shaft​​ (forged from ​​high-tensile 4340 alloy steel​​) transmits gyratory forces with precision-ground journals (±0.01mm tolerance), ensuring vibration-free operation and 80,000-hour service life for ​​Metso HP/GP, Sandvik CH/CS​​, and ​​Terex TC​​ series crushers.

​​Critical Specifications & Technology​​

​​Parameter​​​​Specification​​
​​Material​​4340 Alloy Steel (AISI-SAE)
​​Heat Treatment​​Induction hardening (HRC 58-62)
​​Tolerance​​DIN ISO 286-h6 (±0.01mm)
​​Torque Capacity​​≤18,000 kN·m
​​Compatibility​​Symons 7’, Nordberg MP1000

✅ ​​Anti-Failure Engineering​​

  • ​​Integral Flange Design​​: Eliminates stress concentration at thread roots
  • ​​Deep Case Hardening​​: 8mm surface depth withstands 400MPa impact
  • ​​Dynamic Balancing​​: <0.5g residual imbalance at 300 RPM

✅ ​​Performance Benefits​​

  • ​​Zero Runout Guarantee​​: ≤0.03mm eccentricity for consistent CSS setting
  • ​​Corrosion Resistance​​: Tungsten carbide coating (1200 HV) for wet processing
  • ​​25% Longer Lifespan​​ vs. OEM shafts under tramp metal shock loads

​​Why Industry Leaders Choose Our Shafts​​

  • ​​Hydraulic Press-Fit Ready​​: Pre-machined for 800T press installation
  • ​​Full Traceability​​: Spectrometry reports + UT inspection certificates
  • ​​72-Hour Emergency Service​​: Global stock for 150+ crusher models
  • ​​Reverse Engineering​​: Custom solutions from worn shaft samples