torsioonvõngetes

Torsion vibration, also known as torsional vibration, refers to the oscillatory motion of a system around a fixed axis due to the application of a torque. This type of vibration is commonly observed in mechanical systems, such as shafts, gears, and other rotating components. The primary cause of torsion vibration is the imbalance or misalignment of rotating parts, which results in a periodic variation of the torque applied to the system.

The natural frequency of a torsion vibration system is determined by the stiffness of the shaft and the inertia of the rotating parts. The stiffness of the shaft is a measure of its resistance to twisting, while the inertia of the rotating parts is a measure of their resistance to changes in rotational motion. The natural frequency of the system is the frequency at which the system will vibrate when subjected to a periodic torque.

Torsion vibration can be analyzed using mathematical models, such as the single-degree-of-freedom torsion vibration model. This model assumes that the system can be represented by a single mass and a single spring, with the spring representing the stiffness of the shaft and the mass representing the inertia of the rotating parts. The model can be used to predict the amplitude and phase of the vibration, as well as the effects of damping on the vibration.

Torsion vibration can be measured using a variety of techniques, including strain gauges, accelerometers, and tachometers. Strain gauges measure the strain in the shaft, which is proportional to the torque applied to the shaft. Accelerometers measure the acceleration of the rotating parts, which is proportional to the amplitude of the vibration. Tachometers measure the rotational speed of the shaft, which is proportional to the frequency of the vibration.

Torsion vibration can be controlled using a variety of techniques, including balancing, alignment, and damping. Balancing involves adjusting the mass distribution of the rotating parts to reduce the imbalance and the resulting torque. Alignment involves adjusting the position of the rotating parts to reduce the misalignment and the resulting torque. Damping involves adding a damping mechanism to the system to reduce the amplitude of the vibration.