The main causes of the hydraulic cylinder failure. |Magister Hydraulics


  1. Fluid Contamination: Contaminants such as dirt, debris, moisture, and air bubbles can enter the hydraulic system, leading to component wear, corrosion, and fluid degradation. This can cause seals to deteriorate, resulting in leaks and reduced performance.

  2. Seal Damage: Hydraulic seals are critical components that prevent fluid leakage and maintain pressure within the cylinder. Seal damage can occur due to high temperatures, fluid contamination, improper installation, or wear over time. Damaged seals can lead to fluid leaks, loss of pressure, and reduced cylinder efficiency.

  3. Overloading: Applying excessive loads beyond the cylinder’s rated capacity can lead to mechanical stress, deformation, and ultimately, failure of the cylinder components. Overloading can cause piston rods to bend, seals to rupture, and cylinder barrels to deform, resulting in leaks and reduced performance.

  4. Improper Installation: Incorrect installation practices, such as improper alignment, inadequate mounting, or incorrect fluid filling procedures, can lead to hydraulic cylinder misalignment, binding, or uneven loading. Improper installation can cause premature wear of cylinder components and reduce overall system performance.

  5. Cylinder Misalignment: Misalignment of hydraulic cylinders can occur due to improper installation, uneven loading, or component wear. Misalignment can lead to uneven stress distribution, seal damage, and reduced cylinder performance. It is essential to ensure proper alignment during installation and maintenance.

  6. Fluid Degradation: Hydraulic fluid degradation over time can result from factors such as high operating temperatures, oxidation, moisture contamination, and chemical reactions. Degraded fluid can lead to increased internal friction, reduced lubrication, and accelerated wear of cylinder components.

  7. Corrosion: Exposure to corrosive environments or incompatible fluids can cause corrosion of cylinder components, including piston rods, cylinder barrels, and seals. Corrosion weakens the structural integrity of the cylinder and can lead to leaks, reduced performance, and eventual failure.

  8. High Temperatures: Excessive operating temperatures can accelerate fluid degradation, cause seal damage, and lead to thermal expansion of cylinder components. High temperatures can also reduce the effectiveness of lubrication and increase internal friction, contributing to premature wear and failure.

  9. Fatigue: Extended periods of cyclic loading, especially at high pressures, can lead to fatigue failure of hydraulic cylinder components. Fatigue cracks may develop in critical areas such as piston rods, cylinder barrels, and mounting brackets, eventually leading to catastrophic failure.

  10. Lack of Maintenance: Inadequate maintenance practices, such as infrequent fluid changes, neglecting seal inspections, and ignoring abnormal operating conditions, can lead to premature wear and failure of hydraulic cylinders. Regular maintenance, including fluid analysis, seal replacement, and component inspection, is essential for preventing failure and ensuring reliable operation.

Dieseling effect

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