Preface ........................................................ IX
Lectures
PLOW TECHNOLOGY AND ITS PERSPECTIVES
Plow Technology - History and Today's State-of-the-Art .......... 1
Paschedag U.
Plough Technique at LW Bogdanka S.A. - Present State and
Prospects of Development ....................................... 17
Stopa Z.
Operational Experiences of Automated Plow Systems in Tiefa,
China .......................................................... 29
Xianguang Tang D.
Past Experience and Further Expectations with Regard to
Application of Plow Technology at Jastrzębska Spółka Węglowa
S.A. ........................................................... 37
Tor A.
Efficiency Optimization of Plow Systems Through the Precise
Planning of New and Comprehensive Enhancement of Operating
Longwalls ...................................................... 45
Myszkowski M.
Plough Longwall Operations under Challenging Geological
Conditions ..................................................... 55
Voss H.W., Witthaus H.
Experience with Plow Equipment at OKD .......................... 69
Matula J.
Application of Plow Mining in Ukraine .......................... 75
Dyczkowski R.
Chains - Boon or Bane for Modern Plow Technology? .............. 85
Philipp G.
Power Supply, Control and Automation Systems of the
High-Performance
Plough Systems Based on the Example of LW Bogdanka S.A. ........ 95
Chagowski M., Jędruś T., Lubryka J., Macierzyński D.
Determination of Cuttability of Coal Seams and the
Surrounding Rocks in Underground Conditions by Means of
a Device Designed at GIG ...................................... 109
Prusek St., Rajwa S., Wrana A., Walentek A.
Mining of Thin Hard Coal Seams in the Mines Belonging to
Katowicki Holding Węglowy Using Shearer Longwall System ....... 119
Gach Z., Skrabaka M., Nosal Т., Holewa R.
Operational Experiences with Automated Plow Systems at the
Pinnacle Mine in the US ....................................... 127
M. Myszkowski, S. Bauckmann
CONSTRUCTION AND MAINTENANCE OF OPENING-OUT HEADINGS FOR
PLOW LONGWALLS
Planning of Galleries for High Performance Longwall
Production in Thin Coal Seams ................................. 137
Junker M., Growiec M.
Selected Methods of Forecasting Gate Roads Deformation ........ 149
Prusek St.
Evolution of the Methods of Maintaining Longwall Galleries
in the LW Bogdanka S.A. Mine
Chmielewski J., Kozek B. ................................... 157
Maintaining Longwall Headings in the Mines of JSW S.A. ........ 171
Tor A., Dobrzyński R., Koliński K.
Modern Methods of Designing Supports of Excavations for Plow
Longwalls ..................................................... 181
Prusek St., Rotkegel M.
The Practicalities of Optimizing Automated Longwall Plough
Systems under the Conditions Prevailing at the LW "Bogdanka"
S.A. Mine - Special Longwall Cavity Lining and Output Self-
Loading System at the Longwall-Heading Crossing ............... 193
Masiakiewicz M., Szyszka A.
Prototype of Temporary Mechanized Mine Roadway Support of
the Dog Headings .............................................. 201
Krauze K., Bołoz Ł., Wydro T.
Headgate deformation characteristic during plow exploitation
of the 1/VI longwall face in 385/2 seam in LW "Bogdanka"
mine .......................................................... 211
Korzeniowski W., Herezy Ł., Skrzypkowski K.
Assessment of Powered Support Loadings in Plow and Shearer
Longwalls in Regard to the Pressure Measurements in Props ..... 221
M. Płonka, Sylwester Rajwa
Maintaining of the Headgate Behind the Exploitation Face in
Difficult Geological and Mining Conditions in LW "Bogdanka"
Mine .......................................................... 233
Rak Z., Stasica J.
Design of Bolting Support for Maintenance of Longwall
Headings for Plough Longwalls ................................. 249
Głuch P.
Construction and Maintenance of Longwall Galleries for
Plough Longwalls in the Mine of Lubelski Wejiel
Bogdanka S.A. ................................................. 261
Kwiatkowski K.
MR 620 Roadheader Offers Opportunity for Improvement of
Drift Driving Efficiency ...................................... 273
Jagiełło A., Nowak P.
Prospects of Using the MR 620 Roadheader with Advanced
Mechanical Bolting System in the "Bogdanka" Mine .............. 289
Masiakiewicz M.
"Lubin" Mine Experiences in Driving Heading Excavations
with SANDVIK Mining and Construction's MH-620 Heading
Machine ....................................................... 297
Czechowski M.
New Fire-Resistant Hydraulic Fluids Type HFA for Mining Use
- Critical Analysis ........................................... 305
Dwuletzki H., Pfaender В., Niemczyk K.
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