In-situ machining of bearing seat & flatness inspection

During the slew bearing replacement, before the installation of new bearing, the flatness and surface finishing of bearing seat area is of crucial importance. Poor bearing seat flatness and surface smoothness will have an adverse effect on the bearing life.

Achieving flatness within 0.2mm and surface roughness within Ra3.2 is common. But these values depend on the manufacturer’s recommendations.

Read more

Tooth contact pattern/area Inspection at slew bearings

During the replacement of slew bearing (unloader cranes), below inspections are crucial

  • backlash (usually 0.3 to 0.4mm depending to the manufacturer) and
  • tooth contact pattern/area.

Checking contact pattern/area shows how the bearing and pinion are engaging. Fine tuning adjustment is to be made based on the tooth pattern findings.

Read more

Scopes and risks of mobilisation via sea transport

Relocation of crane and heavy equipment comes with huge technical challenges and risks.

Scope  includes planning and making procedures for loading/unloading of the equipment onto and off of the vessel, designing the lashing of the equipment to the vessel deck, designing reinforcement structures to the equipment, calculation of the equipment structures for sea accelerations often including finite element modelling and analysis, as well as reviewing the water draft of the vessel, tide tables and wharf condition at loading and unloading ports.

Read more

Reversed-engineered/customised design for various crane parts

To improve safety, availability & reliability of port equipment and to improve productivity are of the utmost importance for terminal operators.  We assist equipment owners to identify which system shall be upgraded to improve functionality and safety.

Read more

Retrofit QC Trim-list-skew system to electric

It is always good for a maintenance team to get crane functioning systems upgraded from hydraulic to electric. We have a series of experience in converting hydraulic Trim-List-Skew systems to electric.

Read more