cost-benefit analysis bondura® vs standard pin solution
Note: The cost analysis below is from the offshore industry. Due to extreme conditions and complex operations under heavy loads, these examples are relevant to any industry that seeks to reduce cost and ensure continuity in any heavy and/or sustained pulling, towing, lifting, digging, or pushing operation with heavy equipment and machinery.
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It is very important to not get unpleasant surprises at sea. The weather changes rapidly, and with regards to safety and cost, it's critical that operations do not exceed the planned schedule. In regards
During the inspection we found that the bore
In short, perfect fit and distribution of pressure on the weakest links in critical operations - FOREVER!
Avoid DOWNTIME. Avoid WORN-OUT connecting parts. Avoid line boring. Avoid HALTING production.
Want to see how much you will save for your equipment or project?
DDM 650 AC Drilling Derrick
DDM 650 AC installation Our experience with the overhaul of the DDM 650, where bondura® pins were fitted in most pivot joints, is that the disassembly of the DDM progressed quickly and efficiently, without having any additional cutting, welding, line drilling work done. If there are no bondura® pins installed we usually need a lot of additional work hours to get the pins out, as these connections have 3 passes where the pins can be stuck. In some of the connection’s on the DDM, regular cylindrical pins were used, we had to machine the pins out of their positions, due to the fact that they were ceased unpin the joint. During the execution of this overhaul, we also had to use more than two days in additional work just to free two stuck pins in the link arm connections.
Using bondura® pins in these connections would have reduced the execution of this job to a mere few hours in comparison as the mounting holes would have been in perfect condition.
Some bores also were slightly oval, this was however within the bondura expansion tolerances, and we could easily install new bondura® pins without having to do any line-drilling. If there had been regular cylindrical pins installed in these bores, a lot of additional work would have been needed: sandblasting, welding, machining, and painting before the bore would be back on tolerance. Or, in a worst case scenario: replacement of expensive parts There are also a lot of cast steel parts on a DDM 650 where it is crucial that there is zero slack, cracks, or any oval bores. Steel cast parts are very expensive and difficult to repair if damaged.
In short, perfect fit and distribution of pressure on the weakest links in critical operations. forever.
Avoid DOWNTIME. Avoid WORN-OUT connecting parts. Avoid line boring. Avoid HALTING production.
Want to see how much you will save for your equipment or project?
