Vibrations in fans kit Identification of the vibration induced by the blades from the vibration spectrum Features - vibration measurements on fans - simulation of blade-induced vibrations Learning objectives/experiments - vibration measurement on fans - measurement of blade pass frequency - identification of the vibration induced by the blades from the vibration spectrum - effect of dynamic imbalance on the fan - understanding and interpreting frequency spectra - use of a computerised vibration analyser Specification [1] investigation of the vibrations of fans [2] model of an axial fan with blades [3] magnetic induction of blade forces [4] obliquely-mounted mass disk to investigate gyroscopic effects [5] 3 impellers with different numbers of blades [6] protective disk for impellers [7] gap between magnet and blades adjustable [8] can be used with belt drive PT 500.14 [9] accessory set for PT 500 machinery diagnostic training system [10] stackable storage system to house the components Technical data Impellers made of stainless steel - quantity of blades 3/5/7 - Ø 204mm - max. speed: 3000min-1 Protective disk made of PVC: Ø 220mm Mass disk made of aluminium: Ø 220mm LxWxH: 400x300x320mm (storage system) Weight: approx. 6kg