DEVICE AND METHOD FOR CLAMPING AND UNCLAMPING TOOLS IN A COLLET

A device for clamping and unclamping tools in a collet comprises a tool holder, a collet and a movable tensioner. The tool holder has a machine side and a tool side that is configured to accommodate a tool shank of a tool. The collet is arranged for clamping the tool shank inside the collet, the col...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BUEHLER, Daniel, VOSS, Michael, RETZBACH, Adrian
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BORING COMBINED OPERATIONS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS TRANSPORTING TURNING UNIVERSAL MACHINE TOOLS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A device for clamping and unclamping tools in a collet comprises a tool holder, a collet and a movable tensioner. The tool holder has a machine side and a tool side that is configured to accommodate a tool shank of a tool. The collet is arranged for clamping the tool shank inside the collet, the collet having a conical outer surface, which rests against a correspondingly shaped inner surface of the tool holder. The tensioner is configured to effect an axial movement of the collet with respect to the tool holder when the tool holder is thermally expanded, for clamping and unclamping the collet with the tool shank therein. The tensioner is arranged inside the tool holder on the machine side of the collet. A method is used to clamp tools in a collet of a tool holder.