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Stress And Strain Analysis On A Membrane Didactic Equipment Vocational Education Equipment Mechanical Training Equipment Vocational Training Equipment Mechanical Trainer

Item No.: FL 120
Stress And Strain Analysis On A Membrane Didactic Equipment Vocational Education Equipment Mechanical Training Equipment Vocational Training Equipment Mechanical Trainer
Description
FL 120 Stress And Strain Analysis On A Membrane Didactic Equipment Vocational Education Equipment Mechanical Training Equipment Vocational Training Equipment Mechanical Trainer

Investigation of deflection and strain of a membrane under internal pressure; membrane with strain gauge application
Features
- deflection and strain of a membrane under compressive load
- membrane with strain gauge application
- determine radial and tangential stress profiles from measured strains
Learning objectives/experiments
- measure radial and tangential strain using strain gauges
- measure deflection using a dial gauge
- calculate the stresses from the measured strains: radial stress, tangential stress
- determine direction of principal stress
- application of Mohr’s strain circle to determine the principal strains
- fundamental principle: using strain gauge technology to measure strains
Specification
[1] investigate the deflection and strain of a thin disk under compressive load
[2] strain gauges measure in the radial and tangential direction
[3] strain gauge configured as half-bridge
[4] possible to measure the deflection at any radius


[5] measure the deflection via adjustable dial gauge, scale indicates position along the radius
[6] hermetically sealed hydraulic system, maintenance-free, for generating the compressive load
[7] hydraulic system with hydraulic pump and manometer
[8] FL 152 measuring amplifier required
[9] software for analysing measured values in FL 152
Technical data
Aluminium disk
- outer diameter: Ø 230mm
- diameter used in the experiment: Ø 200mm
- thickness: 3mm
Strain gauge application
- 8 strain gauges: half-bridges, 350 Ohm
- gauge factor: 2,00 ±1%
- power supply: 10V
Dial gauge
- 0...20mm
- graduation: 0,01mm
Manometer
- 0...1bar
- accuracy: class 1,0
System pressure
- max. 0,6bar
LxWxH: 700x350x350mm
Weight: approx. 25kg