This is because there can be great variations in sliding and wear properties of different bearing materials, including all composites and designs. We know that to obtain the required safety margins and to guarantee a trouble-free operational lifetime, hatch cover systems have to be maintained as instructed, and critical spare part components, such as the hatch cover bearing pads, have to be of original design. These forces are used in fatigue strength analysis at the newbuilding stage, and subsequently, the structures are designed according to these calculations. They must also maintain the correct compression on the hatch cover seal and avoid wearing damage to the coaming/hatch cover interface.Īs bearing pads transfer weight, lateral forces are generated and are then transmitted to the ship’s coaming and hatch cover structures.
They transfer the weight of the cover, and any cargo it may be carrying, to the ship’s hull while allowing for relative movement between the cover and the hatch coaming caused by hull flexing in a seaway. Hatch cover bearing pads may be small, but play big part in structural performance. Decades of experience and continuous development means that MacGregor is able to offer a range of bearing pad options designed to ensure safety and meet every size of vessel and operational need. Worn or incorrect bearing pads compromise ship safety.
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