DE4107678

The measuring point (7) on the drill head (5) is located precisely opposite the ridge of the annular tooth (3), where magnetometers (9) are fitted and wired to a processor (8). The rotational speed is signalled by the passage of one or more magnetised balls, or rollers, in the bearing (10) of the to...

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Bibliographische Detailangaben
Hauptverfasser:	WAGNER, WOLFGANG, 4300 ESSEN, DE, RUDDIES, ROLF, 5800 HAGEN, DE, BOEING, ROLF, 5804 HERDECKE, DE, MEYER, MARTIN, 4224 HUENXE, DE, BRANDT, WALTER., 4630 BOCHUM, DE, ESCHENBRUCH, HERMANN, ZWINTSCHER, WOLFGANG
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The measuring point (7) on the drill head (5) is located precisely opposite the ridge of the annular tooth (3), where magnetometers (9) are fitted and wired to a processor (8). The rotational speed is signalled by the passage of one or more magnetised balls, or rollers, in the bearing (10) of the tool holder (4). The overroll signals from a new tooth, a worn one, and a blocked or stationary one are readily distinguishable in continuous monitoring and processing. USE/ADVANTAGE - For roller boring tools, with simple and reliable monitoring.