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Can you guys help me with something please. There has been some confusion in our company concerning the correct way to check the excavator`s hydraulic...

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Tunnelling Terms. Accelerator A substance added to concrete/shotcrete to accelerate setting. Adit A tunnel driven from ground surface to provide access to or drainage from underground workings; a length of tunnel driven for an exploration – exploration adit.

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Configurations. Modern hydraulic excavators come in a wide variety of sizes. The smaller ones are called mini or compact excavators. For example, Caterpillar's smallest mini-excavator weighs 2,060 pounds (930 kg) and has 13 hp; their largest model is the largest excavator available (a record previously held by the Orenstein & Koppel RH400), the CAT 6090, which weighs in excess of 2,160,510 ...

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Rail Sweeper. The Dymax Rail Sweeper for Skid Steers features a high torque, low speed hydraulic motor that drives the sweeper head. Ideal for cleaning tracks and around switch points, as well as sanding areas and removing contaminants such as snow, sand, dirt, coal dust, and ballast.

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Shovels / Excavators. An excavator is an engineering vehicle consisting of an articulated arm (boom, stick), bucket and cab mounted on a pivot (a rotating platform) atop an undercarriage with tracks or wheels.

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Introducing the Wolf Sonic 2000 series drills . These excavator drilling attachments are suitable for 7 tonne excavators and bigger. They have the options of fitting a top hammer drifter or high torque rotation head for blade bits, down hole hammers or mud rotary operations.The Sonic 2000 drill also has the option of a single extra rod loader for top hammer drilling, that will take the total ...

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Mining - Atomic Rockets

"Demandite" is the word used by mineral economists to describe the materials that must be provided— usually by mining— to meet the needs of civilization.