METHOD FOR THE OPEN-LOOP AND CLOSED-LOOP CONTROL OF A MACHINE TOOL

A method for the open-loop and closed-loop control of a power tool, in particular a chipping hammer, containing a drive, a control device, a sensor, a transmission and a handle apparatus. The handle apparatus contains a lever element with a signal transmitter and pivotable relative to the sensor. A...

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Bibliographische Detailangaben
Hauptverfasser:	MAHDIZADEH, Ehsan, RINGLER, Stefan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRONIC CIRCUITRY 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 ELECTRICITY HAND TOOLS MANIPULATORS PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS PULSE TECHNIQUE TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for the open-loop and closed-loop control of a power tool, in particular a chipping hammer, containing a drive, a control device, a sensor, a transmission and a handle apparatus. The handle apparatus contains a lever element with a signal transmitter and pivotable relative to the sensor. A first and second position of the signal transmitter are sensed by the sensor, wherein the distance between the first and second position corresponds to a first distance. The difference between a maximum distance of the lever element and the first determined distance is determined. A first rotational speed for the drive is set when the determined difference between the maximum distance of the lever element and the first determined distance corresponds at least to a first predetermined threshold value. A second rotational speed for the drive is set after the second position has been reached and after a predetermined period of time has elapsed.