What Are The Fracture Forms Of Bearing Rings? How Many Do You Know?
What Are The Fracture Forms Of Bearing Rings? How Many Do You Know?
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Replace imported self-aligning roller bearing rust
by：Waxing
2020-11-14
Wafangdian bearing -
Bearing the author on June 24, for you to explain: replace imported self-aligning roller bearing rusty reason causes of replace imported spherical roller bearing rust is complex, may be bearing antirust processing is bad, can also be caused by moisture corrosion, and corrosion caused by the mist.
So the bearings with everyone explain it in detail below.
Most electric insulating varnish used evaporate off acid composition mainly has four kinds: (1) did not react low molecular paint raw materials acid (
Without water adjacent and terephthalic acid, maleic acid water, trans butylene acid)
。
(2) the paint curing generated when acid composition,
Phenolic resin modified with the lacquer, the formaldehyde water into formic acid)
。
(3) heat generated or oxidation decomposition of low-level fatty acids (
Formic acid, acetic acid)
。
(4) paint curing water decomposition generated after acid composition.
Insulating paint produce formic acid is the main acid composition, the number of formic acid has a close relationship with degree of corrosion occurs.
Replace imported rusty because there are a lot of self-aligning roller bearings, remind you pay attention!
Grease adsorption evaporates acidic constituents of the paint cause metamorphism, grease and the acidic component and promote the hydrolysis of oils and fats, acid concentration increased as a result, spherical roller bearing caused by corrosion.
Bearing comfortable and durable,
)
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