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Composition of floating oil seal

2020-07-13 14:42:38
Floating seal ring
Because the basic structure of cast iron is mostly sorbite pearlite or finer flake pearlite, the structure is relatively loose, it can absorb trace liquids, form oil-containing friction surfaces, improve lubrication, and can meet different performance requirements by adjusting its chemical composition. Therefore, the mechanical properties and wear resistance of cast iron are better, and cast iron has the advantages of low price, easy processing and manufacturing, and large thermal conductivity. Therefore, alloy cast iron is mostly used for floating seal rings.


rubber band
The material used for the rubber ring is required to have good elasticity, low friction coefficient, resistance to medium corrosion, dissolution and swelling, aging resistance, small permanent deformation after compression and long-term work, and non-stickiness when used under high temperature 2. It does not lose its elasticity at low temperature and has a certain strength and compression resistance. Therefore, under normal circumstances, the rubber ring mostly uses nitrile rubber, and fluororubber, silicone rubber, hydrogenated nitrile rubber, etc. can also be selected.