Description of Journal Friction Apparatus:
The Journal Friction Apparatus is the basic item in the Hydrodynamic Lubrication Unit which enables the friction in a journal bearing to be measured under various conditions of load and speed, including boundary lubrication conditions, and the comparison of the results with the friction torque predicted by the Petroff equation. The apparatus consists of a sturdy tubular steel frame on which is carried a counter shaft mounted in ball bearings having an overhung mandrel at the front. The shaft is driven by a variable speed DC motor via a toothed belt and pulleys. The bearing system, which is to be the subject of the investigation, is assembled around the mandrel.
Experimental Capability of Journal Friction Apparatus:
1. Friction Torque in a Journal Bearing assembled with any combination of 3 shaft sleeves and any 3 bearing shell widths:
2. Pressure Distribution in a Journal Bearing.
3. Bearing Attitude.
Features of Journal Friction Apparatus:
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