Abstract
As a result of the material-specific segmented chip formation occurring during the machining of titanium alloys, the tools used can be set into vibration significantly depending on the given process conditions. In addition to an increased tool wear, this often leads to not being able to achieve the required workpiece qualities. With the use of additively manufactured tool holders for turning TiAl6V4, a passive damping of such chip-induced tool vibrations can be realised. The decisive factor is the production of specially structured hollow elements in the tool holder shafts, which can be realised by the additive manufacturing process. The tools’ vibration amplitudes were significantly reduced on the one hand due to the resulting vibration-optimised tool design, and on the other hand due to the internal friction of additional filling materials applied into the shafts hollow elements.
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