Our Rotary Shaft Repair Experience
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Damaged cement mill bearing journal 915mm diameter following failure
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The same cement mill bearing journal 905mm diameter following re-machining in situ. The white metal bearing was made to suit the new shaft diameter.
With decades of experience, Metalock Engineering excels in rotary shaft repair across a multitude of industries. This includes steel, naval, paper, and marine industries. Our expertise lies in restoring damaged shafts to a serviceable condition, where we tackle wear, misalignment, and damage with precision. This is supported by advanced techniques we employ, alongside swift and reliable service to minimise downtime.
Our commitment to quality helps your on-site machinery to operate efficiently and reliably, enhancing overall productivity in the process.
Common Causes for Rotary Shaft Damage or Degradation
- Misalignment and imbalance: When rotary shafts are misaligned, it causes uneven force distribution and, ultimately, excessive vibration. This imbalance accelerates wear that can result in bearings and seal failures. Alongside significantly shortening the shaft’s lifespan, it may cause potential damage to connected machinery components.
- Wear and tear from irregular use: This causes reduced performance over time, affecting the efficiency of the entire machine. Harsh operating conditions or not following a diligent maintenance schedule can exacerbate irregular wear.
- Corrosion and environmental factors: Exposure to moisture or extreme temperatures – can cause rotary shafts to degrade. The weakening of the shaft’s structure makes it susceptible to cracks and breaks.
- Mechanical stress and overloading: Problems can arise when rotary shafts are subjected to loads beyond their design capacity or unexpected mechanical stress. These potential issues include deformations, fractures, or, in the most extreme cases, complete failure.
- Inadequate lubrication and maintenance: Poor lubrication causes increased friction and heat buildup, accelerating the wear of rotary shafts. A lack of regular maintenance can further hasten severe damage to both the shaft and the equipment it operates in.