Essays about: "Percussive Rock Drilling"

Found 4 essays containing the words Percussive Rock Drilling.

  1. 1. Identification and strength classification of weakness zones in the Garpenberg mine based on measurement while drilling (MWD)

    University essay from Luleå tekniska universitet/Geoteknologi

    Author : Ioannis Peroulakis; [2022]
    Keywords : Drilling; MWD; Garpenberg; Mining; Geotechnics;

    Abstract : Boliden’s Garpenberg mine produces Zn-Pb-Ag(Cu-Au) using a sublevel stoping with pastefill mining method. The orebody is strongly affected by the existence of weakness zones mainly consisting of Talc Schist and Phlogopite Schist which affect the design, planning and production of the stope. READ MORE

  3. 2. Identifying Important Features to Minimize Hole Deviation in Percussive Drilling

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Ketan Dhananjay Deshpande; [2021]
    Keywords : Bending; Buckled profile; Drilling; Hole deviation; Mathematical model; Böjning; Buckled profil; Borrning; Hålavvikelse; Matematisk modell;

    Abstract : Hole deviation is one of the most significant problems in drilling applications. Deviated holes result in inefficient blasting and have severe economic impacts due to increased equipment consumption. Conversely, straighter holes help in increasing production scales and reduce operational costs. READ MORE

  4. 3. A wear test mimicking the tribological situation in rock drilling

    University essay from Tillämpad materialvetenskap

    Author : Anna From; [2012]
    Keywords : tribological testing; wear test; cemented carbide; rock drilling;

    Abstract : This thesis work is performed at Sandvik Mining Rock Tools, a world leading supplier of rock drilling tools. The work is part of developing a new tribological wear test method for cemented carbide drill bit inserts. READ MORE

  5. 4. Design and Modeling of a Piston Accumulator for a Rock Drill and its Fatigue Strength

    University essay from Institutionen för ekonomisk och industriell utveckling; Tekniska högskolan

    Author : Nadeem Ul Haq; [2010]
    Keywords : Rock Drill; Piston Accumulator; Fatigue;

    Abstract : This Master Thesis has been performed at Atlas Copco Rock Drills AB, Örebro and at Linköping University, Sweden from February 2010 through August 2010.The project deals with performance improvement of hydraulic rock drill machine manufactured by Atlas Copco Rock Drills. READ MORE