Selection And Matching Of Motor Fixed End Bearing And Floating End Bearing
Selection And Matching Of Motor Fixed End Bearing And Floating End Bearing
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Three common bearing material performance comparison
by：Waxing
2020-11-13
Bearing is the important parts in the mechanical operation, the use of different materials, will bring different performance to the bearing, so different bearing used in the field, the material is also different, today China bearing network according to the understanding of the bearing material common knowledge, sharing out the bearing three material performance comparison.
Bearing common three kinds of materials are: metal materials, porous metal materials and nonmetal materials.
1, metal materials bearing metal materials mainly include: bearing alloy, copper alloy, aluminum alloy and cast iron, etc.
Bearing alloy, also can be called babbit mainly contain lead and tin matrix substrate, good comprehensive performance, mechanical slightly lower, common in bearing alloy casting in steel or cast iron bearing substrate, using expensive.
Copper alloy, mainly containing tin bronze (
Suitable for medium speed, load or overloading)
, aluminum bronze,
Suitable for low speed heavy)
And lead bronze (
Suitable for high speed heavy)
。
Cast iron: belong to light load and low speed bearing shell material.
2, porous metal materials bearing porous metal material is mainly composed of powder metallurgy, iron or copper powder mixed with graphite pressure sintering, porous remaining oil.
For smooth load, low speed and refueling inconvenient places.
3, non-metallic materials bearing non-metallic materials mainly include: plastic, rubber, nylon, etc.
Is characterized by: small friction coefficient, wear resistance, corrosion resistance, low load, the thermal deformation is big.
Bearing the commonly used material performance comparison:
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