Spannvorrichtung für Werkzeughalter

Details

Veröffentlichungs-Nr.

EP3825048

Aktenzeichen

EP19210465

Anmeldetag

20. November 2019

Veröffentlichung

20. Juli 2022

Erteilung

20. Juli 2022

Rechtsraum

EP

IPC

B23B31/26

Abstract

A clamping device for releasably holding a tool holder shank (71), comprising:- a spindle (2) rotatably mounted inside a housing (3);- a drawbar (8) axially moveable in a bore (5) in the housing between an advanced releasing position and a retracted locking position;- engagement members (20) moveable under the effect of the drawbar into locking engagement with the tool holder shank;- an actuating member (13) slidably mounted to the spindle;- a motion transferring mechanism (30) for transferring an axial movement of the actuating member into a movement of the drawbar; and- two or more hydraulic actuators (50) arranged in or mounted on the housing on different sides of the spindle and configured to move the actuating member in relation to the spindle; and- a connecting element (60) forming a connection in radial direction between the actuating member and piston members (52a, 52b) of the hydraulic actuators.

Anmelder

Firma

AB Sandvik Coromant

Land

🇸🇪 Schweden

Fachgebiete