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Dragline Rigging Dragline Rigging
Dragline Rigging Mounted Dragline Rigging Mounted

MMS Technology was approached by Caterpillar to investigate the possibility of designing and manufacturing a replacement rigging system for their dragline buckets used in their open cast mining operations. The steel rigging weighs in the order of 12 tons.

MMS investigated this product and came up with an alternative that weighs roughly 5 tons, doing the same work. The bulk of the rigging was manufactured from woven roving and Derakane® vinyl-ester resin. All the components were manufactured using a vacuum infusion process. Typical laminate densities of 1800kg/m3 were achieved, resulting in a fibre content by mass of 72%. The thickest part on the structure is 200mm thick.


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