Cat debuts Durilock Lip Shroud System

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  • Earthmovers & Exacavators

Caterpillar has developed a new Durilock Lip Shroud System for underground loader buckets; a fully integrated bucket system featuring hammerless installation and maintenance-free retention of Ground Engaging Tools with Cat Infinitite elastomer compression retainers.

Cat debuts Durilock Lip Shroud System
Cat Durilock GET on underground loader bucket.

Three interchangeable shroud styles enable a mining operation to quickly remove one type and replace with the type that is best suited to the loader application—without changing the base edge or retention system.    

The Durilock system delivers 50 per cent faster installation and removal of Ground Engaging Tools (GET) compared to legacy, mechanically attached systems and, because there is no need to re-torque bolts periodically, maintenance time for GET is reduced by more than 50 per cent. Additionally, integral corner guards extend bucket in-service time by about 30 per cent.

The Durilock Shroud System is available for Cat R1700 to R3000 loaders and most buckets of 5 to 10 cubic metres capacity.

Innovative, adaptable GET

The Cat Infinitite retention design provides superior retention reliability without time spent performing re-torque procedures. The elastomer compression retainer installs in seconds to allow fast installation and removal. There is no complex hardware to fail, handle or tighten.

The Durilock system offers three different shroud styles to enable matching the GET to the application and conditions in the mine.

The D50S Standard is a traditional wedge shape used in most production and development applications.

The D50A Abrasion has a contoured design and repositions more material on the shroud base, and the D50P Penetration has less leading-edge material to deliver easier penetration in dense material.

The lip assembly provides the mounting surfaces for the shrouds and corner protectors, which balance corner and center station wear rates.

Cast corners are welded to the base edge assembly to create the lip assembly. The corners incorporate a stepped design that eliminates corner shroud torsional loads and delivers superior reliability.

The integral corner design boosts corner life by 15 per cent and improves penetration as compared to systems that experience corner erosion and shortened bucket life due to corner rounding.

With the addition of Durilock, Caterpillar has a complete portfolio of GET products that are designed to meet the unique and challenging requirements of any underground mine.

For more information about Durilock, which is now available in Australia, contact your local Cat dealer.

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