Abstract: The kinetic and dynamic characteristics of vane plasticizing transportation unit were simulated using multi-body system dynamic software ADAMS. It showed that kinetic nature of the unit is a simple harmonic vibration. With increasing rotor speed, the vibration frequency of the vane increases, the vibration strength of displacement keeps the same, that of the velocity increases. Interactive force between vane and fixed barrel increases, and amplitude of interactive force enhances, which improve the impact of vanes in stretching motion with fixed barrels. The influence of eleventh mode on the unit system vibration is the biggest. The unit system would take place resonance at the induced vibration frequency of 5.7544, 24.36, 153.7 Hz. However, eccentric induced vibration does not bring about the vane resonance fracture.

Key words: polymer, processing, vane, plasticizing transportation unit, dynamics, simulation