- Civil Lab Mechanical Lab Engineering Lab Equipments
- sales@didacticlabequipments.com
CAT NO: DIDACTICNLE-Export-059004
Journal Friction Apparatus- Engineering Lab Training Systems.
Features
Self-contained
Free-standing, floor mounted
Variable load, speed and lubrication
Determination of coefficient of friction
Three year warranty
Range of Experiments
Determination of coefficient of friction between two bearing surfaces
- Dry, no lubrication
- Lightly lubricated
- Fully lubricated
To investigate the effect of lubrication on
- Journal load
- Shaft speed
- Operating temperature
- Type of lubricant
To establish the relationship between the friction torque and
- Journal load
- Operating temperature
- Type of lubricant
Description:
This
apparatus is designed to determine the friction torque in a plain
journal bearing under varying conditions of load, speed and lubrication.
The ground steel shaft is driven by a 250W variable speed electric
motor. The journal housing has a thermometer pocket, a sight feed
lubricator and a removeable end cover. Oil cannot be thrown out.
Friction due to end face contact is very much reduced by the use of a
"floating" sleeve.
Friction torque is measured by adding weights
to a load hanger suspended from the damped torque arm. Weights added to
the lower hanger apply a steady load to the bearing of up to 650N.
White metal, sintered bronze and impregnated PTFE sleeves are supplied.
An electronic tachometer is provided for measurement of the shaft speed.
This
equipment is part of a range designed to both demonstrate and
experimentally confirm basic engineering principles. Great care has been
given to each item so as to provide wide experimental scope without
unduly complicating or compromising the design. Each piece of apparatus
is self-contained and compact. Setting up time is minimal, and all
measurements are made with the simplest possible instrumentation, so
that the student involvement is purely with the engineering principles
being taught. A complete instruction manual is provided describing the
apparatus, its application, experimental procedure and typical test
results.
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