ZA725902B - Device for controlling the feeding force at rock-drilling - Google Patents

Device for controlling the feeding force at rock-drilling

Info

Publication number
ZA725902B
ZA725902B ZA725902A ZA725902A ZA725902B ZA 725902 B ZA725902 B ZA 725902B ZA 725902 A ZA725902 A ZA 725902A ZA 725902 A ZA725902 A ZA 725902A ZA 725902 B ZA725902 B ZA 725902B
Authority
ZA
South Africa
Prior art keywords
rock
drilling
controlling
feeding force
feeding
Prior art date
Application number
ZA725902A
Other languages
English (en)
Inventor
E Engqvist
Y Ein
A Jaegerstroem
K Ek
K Ekwall
S Sjoegren
Original Assignee
Atlas Copco Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of ZA725902B publication Critical patent/ZA725902B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA725902A 1971-09-07 1972-08-28 Device for controlling the feeding force at rock-drilling ZA725902B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE11297/71A SE361704B (ja) 1971-09-07 1971-09-07

Publications (1)

Publication Number Publication Date
ZA725902B true ZA725902B (en) 1973-06-27

Family

ID=20293707

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA725902A ZA725902B (en) 1971-09-07 1972-08-28 Device for controlling the feeding force at rock-drilling

Country Status (12)

Country Link
JP (1) JPS5335881B2 (ja)
AT (1) AT321228B (ja)
CH (1) CH541713A (ja)
DE (1) DE2242920C3 (ja)
FI (1) FI55893C (ja)
FR (1) FR2152709B1 (ja)
GB (1) GB1346540A (ja)
IT (1) IT965181B (ja)
NO (1) NO133332C (ja)
PL (1) PL76065B1 (ja)
SE (1) SE361704B (ja)
ZA (1) ZA725902B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2960619D1 (en) * 1978-05-19 1981-11-12 Roehm Guenter H Chuck for turning machines
DE3005459A1 (de) * 1980-02-14 1981-08-20 Paul Forkardt KG, 4000 Düsseldorf Spannfutter fuer drehmaschinen
JPS5871162A (ja) * 1981-10-24 1983-04-27 Komori Printing Mach Co Ltd 反転機構付枚葉輪転印刷機の位相調整装置
FI943695A (fi) * 1994-08-10 1996-02-11 Valto Ilomaeki Menetelmä poralaitteen säätämiseksi
RU2645056C2 (ru) 2012-12-12 2018-02-15 Вермеер Мануфекчеринг Компани Системы и способы определения износа измельчающих элементов измельчительной машины

Also Published As

Publication number Publication date
DE2242920A1 (de) 1973-04-05
FR2152709B1 (ja) 1977-01-14
SE361704B (ja) 1973-11-12
DE2242920C3 (de) 1974-01-10
CH541713A (de) 1973-09-15
AT321228B (de) 1975-03-25
FI55893B (fi) 1979-06-29
IT965181B (it) 1974-01-31
PL76065B1 (en) 1975-02-28
JPS5335881B2 (ja) 1978-09-29
FR2152709A1 (ja) 1973-04-27
FI55893C (fi) 1979-10-10
NO133332C (ja) 1976-04-12
DE2242920B2 (de) 1973-06-14
JPS4839301A (ja) 1973-06-09
GB1346540A (en) 1974-02-13
NO133332B (ja) 1976-01-05

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