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  • PA66 bolster center pivot liner for railway
  • PA66 bolster center pivot liner for railway

PA66 bolster center pivot liner for railway

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The wear plate (liner) of the center plate of railway freight car is made of special nylon material, which is manufactured by die casting and cutting, and has good wear resistance.


The installation of center plate wear plate (liner) between the upper and lower center plates can solve the question of serious wear of upper and lower center plates.


At the same time, it is helpful for the stability of turning resistance moment of car body relative to bogie.


  • Description
  • Specification
  • Drawings

The wear plate (liner) of the center plate of railway freight car is made of special nylon material, which is manufactured by die casting and cutting, and has good wear resistance.


The installation of center plate wear plate (liner) between the upper and lower center plates can solve the question of serious wear of upper and lower center plates.


At the same time, it is helpful for the stability of turning resistance moment of car body relative to bogie.


Features:

1) Enhanced cold flow resistance.

2) Heavy duty forged construction.

3) Designed for high mileage.

4) Easy to install – no lubrication required.

5) Prevents center plate and center bowl wear.

6) coefficient of friction, high wear resistance.


General propertiesTest MethodUnitData
HardnessGB/T2411HD75
Tensile strengthGB/T1040.1Mpa48
Elongation at breakGB/T1040.1%70

Notch impact strength 

23℃

-50℃

GB/T1043.1kJ/m2

6

12

Bend strengthGB/T9341Mpa5
Compressive strengthGB1041Mpa120
Vicat softening temperatureGB/T1633210
Water absorptionGB/T1034%0.9
DensityISO1183g/cm31.07
Heat deflection temperature

1.8Mpa

0.45Mpa

ISO75-1/2

18

205


Railway center plate wear liner