Moving-type tail stock

A structure of a tail stock moving mechanism is provided, in which a tail stock that holds a workpiece with a predetermined pressure force is moved by means of a ball screw and in which the control required for holding the workpiece with the predetermined pressure force is implemented. The above is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IIZUKA, SYUJI, AMAYA, KOUICHI, IWAI, KIYOTAKA
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A structure of a tail stock moving mechanism is provided, in which a tail stock that holds a workpiece with a predetermined pressure force is moved by means of a ball screw and in which the control required for holding the workpiece with the predetermined pressure force is implemented. The above is accomplished in predetermined order wherein, in a step at which the tail stock (1) that holds a position of the workpiece (5) and that is supported by a ball screw (2), torque generated by a drive motor (3) that drives the ball screw (2) is detected, and in a step at which the torque reaches a predetermined reference value, and then operation of a brake (4) to limit rotation of the ball screw (2) and cutting off of an input from a power supply to the drive motor (3) are performed.