Stress and strain

Paul Boughton

The use and wear of ground-engaging components is not just a matter of abrasive wear but also of the stress and strain that leverage places on items such as buckets and booms to achieve the necessary breakout force. The result could be splits that have to be repaired by patch welding or replacement

Some suppliers, such as Columbia Steel, are represented in mining areas worldwide, with the emphasis on supporting operators of large draglines mining, coals and phosphates. It wear part products include dragline teeth and adaptors, bucket wear plates and structural components, rope sockets and wedges.

Boundary Equipment of Canada offers a broad range of wear parts including castings, forgings and ceramic urethanes for excavators, bulldozers, crawler carriers and draglines. Original manufacturer models supplied includes Bucyrus Erie, Caterpillar, Hitachi, KomatsuO&K Mining and P&H Mining.

CWS Industries, also of Canada and recently acquired by International Equipment Solutions , offer a wide range of products and products for the mining industry including buckets and dozer blades. Separate programmes are designated BEAR (Blade Exchange and Repair Program) and LEAP (Large Excavator Attachment Program).

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