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CAT NO: DIDACTICMachine lab0005
Journal Bearing Apparatus.
Journal Bearing Apparatus
The apparatus consists of a plain steel shaft excavated in a bearing
and directly driven by a FHP Motor.
The bearing is freely supported on
the shaft and sealed at the motor end. The speed of the motor is
controlled accurately by the speed control unit and it can be made run
in both directions. Twelve equal-spaced pressure taping around the
circumference and four along the axis are provided and are connected to
manometer by PU Tubing so that the pressure head of oil in all tubes can
be observed at a time. The bearing can be loaded by attaching weights
to the arm supported beneath it.
Experiments
To study the pressure profile of lubricating oil at various conditions of load and speed
Plotting the Cartesian polar pressure curves
To measure the frictional torque and power transmit
Utilities Required
Electric supply : 230 V AC, Single Phase.
Bench area : 1.5 x 1.5 x 4 m
Tachometer to find out RPM of journal
Oil SAE 40 about 5 Ltrs.
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