[go: up one dir, main page]

Wolter, 1990 - Google Patents

Optimisation of the cutting process on shearers with particular regard to fine dust make and the use of high-pressure water (In German): Gluckauf-forschungsh V50, N5 …

Wolter, 1990

Document ID
13108112762628283400
Author
Wolter N
Publication year
Publication venue
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts

External Links

Continue reading at scholar.google.com (other versions)

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/18—Mining picks; Holders therefor
    • E21C2035/1803—Inserts or layers of wear-resistant material
    • E21C2035/1816—Inserts or layers of wear-resistant material characterised by the shape
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button type inserts
    • E21B10/567—Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673—Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Lay-outs therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam

Similar Documents

Publication Publication Date Title
US20140175853A1 (en) Pick For Earthworking Machine
CN110439586B (en) Non-blasting type mine roadway water cutting tunneling method
CN106677788A (en) Mechanical excavation method for hard-rock tunnel with medium-short length
Gabov et al. Features of elementary burst formation during cutting coals and isotropic materials with reference cutting tool of mining machines
US4371210A (en) Freely rotatable pick bit holder on rotary driven member and method
Karekal Oscillating disc cutting technique for hard rock excavation
Fenn The use of water jets to assist free-rolling cutters in the excavation of hard rock
Wolter Optimisation of the cutting process on shearers with particular regard to fine dust make and the use of high-pressure water (In German): Gluckauf-forschungsh V50, N5, Oct 1989, P237–246
Jung et al. Study of coal fragmentation under conical bit indentation: Rock Mechanics as a Guide for Efficient Utilization of Natural Resources: Proc 30th US Symposium, Morgantown, 19–22 June 1989 P469–476. Publ Rotterdam: AA Balkema, 1989
Frydman et al. Pullout capacity of slab anchors in sand: Can Geotech J V26, N3, Aug 1989, P385–400
Timko et al. Water-jet-assisted roadheaders: Proc 1987 Rapid Excavation and Tunnelling Conference, New Orleans, 14–17 June 1987 V2, P769–782. Publ Littleton: Society of Mining Engineers, 1987
Fenn Use of water jets to assist free-rolling cutters in the excavation of hard rock: Tunnlg Underground Space Technol V4, N3, 1989, P409–417
Zhongzheng et al. Developing raise boring technique in China: Proc 6th Australian Tunnelling Conference, Melbourne, March 1987 V1, P319–323. Publ Parkville: AusIMM, 1987
LI et al. Effect of crack prefabrication by self oscillating pulsed jet on the temper ature of conical pick during rock breaking processes
Wolter et al. Natural Resources: Proc 30th US Symposium, Morgantown, 19-22 June 1989 P469-476. Publ Rotterdam: AA Balkema, 1989
Mounier The supersonic water jet. Can it replace the diamond wire?(In French): Industrie Minerale V71, Aug–Sept 1989, P172–173
Inyang Developments in drag bit cutting of rocks for energy infrastructure
Hood et al. A review of jet assisted rock cutting
Hood et al. A review of water-jet-assisted rock cutting
Deliac et al. Theoretical and practical investigations of improved hard rock cutting systems
US5590639A (en) Masonary cutting tool and method
CA1110283A (en) Method and apparatus for mining minerals, especially coal formations
Cooper et al. A novel concept for a rock-breaking machine. II. Excavation techniques and experiments at larger scale
Ip et al. Water jet rock cutting and its application to tunnelling machine performance
Handewith et al. An Overview of Water-Jet-Assisted Rock Cutting at the Pittsburgh Research Center