Momentová vzpěra
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It is a device to attach aggregates for tool changers on a CNC-machining centre. The purpose is to prevent the rotation of the entire aggregate, only the tool shall rotate. This is normally done by means of a retaining bolt, which is attached on the angular aggregate. This engages in a corresponding depression on the machine, and thus fixes the position of the aggregate. A torque support is usually used as a driver in order to generate the positioning motion in machines with a C-axis. For this purpose, it can rotate around the working spindle with a servo motor and thus take any position in an angle of 360 ° about the Z-axis. Several manufacturers offer special forms with multiple retaining bolts or additional interfaces for pneumatics and electronics. Alternative term
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