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DESIGN NOTES
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Influences on the service life:
Wear and service life of the CSB slide bearings are dependent
on the following:
Specific bearing load
Sliding speed
PV value
Roughness depth of the mating surface
Mating surface material and
Temperature etc. and so on
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| During running-in, some
of the surface of the PTFE/Pb or solid lubricants is transferred
to the mating surface. A running surface is formed which has
low coefficient of friction and this has a positive effect on
the operating behaviours. For 3-layer dry bearings, after running-in,
some of the porous bronze layer can be seen on the sliding layer
as individual areas of different size. This shows that the bearing
is functioning correctly. |
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| The PV value has a considerable
influence on the bearing service life. It is the product of
the specific load P and the sliding speed V and the PV is very
important design data, we recommend design lower PV value will
leads to a longer service life. |
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| Direction of Motion and PV Value |
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F: Vertical load...................................................................................N{kgf}.
N: Number of rotation........................................................................S-1{rpm}
c: Cylic velocity of reciprocatingor oscillating motion
S: Stroke distance.............................................................................m{mm}
: Oscillating angle...........................................................................rad{}
d: Bearing ID......................................................................................mm{mm}
D: Bearing OD....................................................................................mm{mm}
L: Bearing length...............................................................................mm{mm}
W: Bearing width...............................................................................mm{mm}
íŸ†í±¡
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