RECOVERY ROTATIONAL SPEED FOR DIAMOND CORE DRILLING DEVICES AFTER TEMPERATURE SWITCH-OFF (OVERHEATING OF MOTOR)

RECOVERY ROTATIONAL SPEED FOR DIAMOND CORE DRILLING DEVICES AFTER TEMPERATURE SWITCH-OFF (OVERHEATING OF MOTOR)

A method is provided for controlling a power tool (1) when a material (W) is being worked, including the steps: the rotational speed of a drive (20) of the power tool is set to a first value; a first temperature value is measured; the first temperature value is compared to a pre-specified threshold...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIEB, KONRAD, FORSTNER, MARKUS, KOSLOWSKI, OLIVER, ASMUS, TORSTEN, KÖNIGBAUER, EGON, KABZA, FABIAN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR
DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TRANSPORTING
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Beschreibung
Zusammenfassung:A method is provided for controlling a power tool (1) when a material (W) is being worked, including the steps: the rotational speed of a drive (20) of the power tool is set to a first value; a first temperature value is measured; the first temperature value is compared to a pre-specified threshold value; the rotational speed of the drive (20) is reduced from the first value to a second value if the first temperature value exceeds the pre-specified threshold value for a pre-specified first period of time; a second temperature value is measured; the second temperature value is compared to the pre-specified threshold value; and the rotational speed of the drive (20) is raised from the second value to the first value if the second temperature value has fallen below the pre-specified threshold value for a pre-specified second period of time.