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Sandvik Mining and Rock Technology

Upgrades & Engineered solutions

B26 boom adjustment pads for underground drills

In order to simplify the adjustment process, Sandvik has designed a new system that help to adjust the clearance of the boom extension more easily.

  • Description

    Correct adjustment of the clearance of the boom extension is important as it affect the drilling precision and an incorrect adjustment can create damages on the outer tube and premature wear of the inner tube, leading to expensive repairs.

    But the adjustments of the clearance of the boom extension on the B26 booms can be difficult to perform as it requires to follow a complex process, to do accurate gap measurements and add or remove shims.

    In order to simplify the adjustment process, Sandvik has designed a new system that help to adjust the clearance of the boom extension more easily. The new adjustment system consist on a wear pad under a simple threaded adjusting pad, kept in the correct position by the cover. The system is simple and do not require specific tools or extra parts to be adjusted.

    The new boom adjustment pads are retrofitable in all B26 booms.

  • Advantages

    -Make adjustment of the boom extension clearance easier and faster to perform.

  • Customer values

    -Reduce the risk of damages on the boom extension tubes.
    -Good adjustment preserves drilling accuracy.
    -Reduces machine immobilization during service.

Product specifications

Application area
Lifecycle cost improvement
Underground drill rigs & Bolters
Sandvik DS311 / Sandvik DS310 / Sandvik DS211L-M / Sandvik DS210L-M / Sandvik DL330 / Sandvik DD211L-V / Sandvik DD310 / Sandvik DD210L / Sandvik DD211L / Sandvik DD210L-V

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