Free and forced torsional vibrations

Torsional vibrations are often observed in belt-driven systems. With appropriate excitation of resonances, large vibration amplitudes can occur, which can lead to strong loads on shafts and gears, potentially resulting in damage.

• experimental unit for investigating torsional vibrations and torsional stiffness
• 3 mass disks
• 4 freely positionable ball-bearing-mounted bearing units with clamping chucks
• sealed oil damper
• exciter unit with drive crank; exciter amplitudes 1,4°, 1,8°, 2,4°
• 4 rotary angle sensors, 0,03V/°
• electrical exciter control unit for setting and displaying the exciter frequency and for powering the rotary encoder
• software for data acquisition via USB under Windows 11