Engineering design Hydrodynamic Bearing Apparatus
Learning Objectives / Experiments
- Determination of the coefficient of friction at various
loads and speeds (also refer and compare to
Stribeck curves)
- Influence of speed, bearing clearance and bearing
load on the center of the journal
- Influence of speed, bearing load and lubricant on
the friction torque
- Locus curve of a journal
[1] Mobile unit to investigate friction in a hydrodynamically lubricated journal bearing
[2] Journal of a shaft: nominal diameter 50mm, width of bearing shell: 20mm
[3] max. radial bearing load: 500N
[4] Drive motor: 0.37kW, max. 1500rpm
[5] Determination of friction torque with strain gauge force sensor and lever arm
[6]
Electronic sensors and digital displays for: speed, oil temperature,
oil pressure (supply and peak), friction torque, displacement in X- and
Y-direction
[7] 230V, ~50Hz
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