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Arm Guard Liner

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Arm Guard Liner

Arm Guard Liner

The Arm Guard Liner is a critical protective mechanical part crafted from forged ductile iron (nodular iron), engineered to shield key arm structures in heavy-duty machinery from wear, impact, and corrosion. Leveraging the material’s spherical graphite structure, it delivers a superior balance of performance and durability that outperforms traditional gray iron.

Core Features

  • Boasts exceptional strength and toughness, with high tensile/yield strength and impact resistance to withstand heavy loads and alternating stresses without fracture .
  • Offers excellent wear resistance via self-lubricating spherical graphite, reducing friction and extending service life in abrasive environments .
  • Exhibits good machinability and cost-effectiveness, providing steel-like performance at lower production costs while enabling precise fitting .
  • Features reliable vibration damping and corrosion resistance, adapting to harsh operating conditions including moisture and temperature fluctuations .

Key Applications

Widely utilized across industries: mining machinery (crushers, ball mills, conveyors) for withstanding abrasive rock and heavy impacts ; automotive and agricultural equipment (engine components, tractor axles, harvester parts) to endure dynamic loads ; construction/dredging machinery (excavator arms, cement mixers) for corrosion and wear resistance ; and industrial equipment (gearboxes, hydraulic cylinders) for stable protection of transmission and load-bearing structures . This versatile liner ensures machinery reliability while minimizing maintenance needs.


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