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Free Vibrations Of Bar Apparatus

Order Code: 32170

Category: Strength of Materials Lab

Features Natural  frequencies  of  a  free  vibrating bending bar Rayleigh's method to evaluate the natural frequency of a bar Specifications Investigation of the free vibration of a bar Elastic bending bar with mo...



SPECIFICATION

Features
Natural  frequencies  of  a  free  vibrating bending bar
Rayleigh's method to evaluate the natural frequency of a bar

Specifications
Investigation of the free vibration of a bar
Elastic bending bar with movable weight
Bar can be mounted to all 4 sides of the frame
Inductive position sensor to measure oscillation amplitudes
Fixable meter rule
Storage system to house the components

Technical Specifications
Bending bar
LxWxH: 635x20x3mm
Material: AlMgSi0.5F22
Set of weights: 10x100g
Sensor output signal
Analogue voltage level, proportional to position

Experiment Possibilities
Free vibration of a vertical bending bar
Free vibration of a horizontal bending bar
Determination of natural frequencies according to Rayleigh
Influence of free clamping length and weight on natural frequency

Scope of Delivery
1 beam
1 sensor
1 set of weights
1 clamp fixing
1 ruler
1 position sensor with supply module
1 storage system with foam inlay
1 instruction manual

The bending bar in Tesca Free Vibration of a Bar Apparatus can be mounted vertically (standing or hanging) or horizontally into the frame. By varying the free clamping length or moving additional weights, the natural frequency of the bar is changed. The bar is deflected manually to start damped vibrations. A non-contact position sensor measures the corresponding amplitudes. The signal can be displayed on an inter- laboratory oscilloscope.

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