Method for rock drilling

Details Method for rock drilling Method for rock drilling

1983-10-07

1985-02-12

Olszewski, Robert P.

Tool driving or impacting

Processes

173 38, 173 43, 173 1, 182 2, E21B 1504

Patent

active

044985444

ABSTRACT:
A rock drilling machine is swingably carried on a pivotable drill boom. The rock drilling machine is fed along a drilling axis in response to a feeding movement applied by the drill boom. A set angle value is fed to a servo control system. During drilling, an actual angle value in the form of the angular position in space of the rock drilling machine is fed to the servo control system. The servo control system governs continuously a positioning motor which positions the rock drilling machine relative to the drill boom in such a way that the actual and set values coincide, thereby causing the rock drilling machine to follow the drilling axis.

REFERENCES:
patent: 3171437 (1965-03-01), Suechting
patent: 3481409 (1969-12-01), Westerlund
patent: 3721304 (1973-03-01), Hanson
patent: 3724559 (1973-04-01), Stromnes
patent: 3893540 (1975-07-01), Beucher
patent: 3980142 (1976-09-01), Grigoriev
patent: 3999805 (1976-12-01), Lockwood
patent: 4066135 (1978-01-01), Wallace

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