The main reason of the rusty for the imported NSK Bearings
The good reasons for your rusty with the Making motor bearing for instance the SKF Bearings, NSK Bearings and FAG Bearings are complicated. Perhaps it is the improper dealing with technique for that bearings for example the SKF Bearings, SKF deep groove ball bearing and NSK bearings. On the other hand, the rusty may well be brought about through the moisture and corrosion brought on by the mist. Today, the Chinese well-known bearing supplier, which site is www.hk-nkf.com , would inform you the reason for your bearing rusty.
From the facts of the hk-nkf.com, we have found that you'll find four primary elements with the volatile acid from the paint which most motor plants have utilizing. The very first would be the non-reacting raw acid part with the low-molecular-weight paint like the anhydrous iso-phthalic and terephthalic acid, anhydrous maleic acid plus the fumaric acid.
The second is definitely the acid element which continues to be generated from the curing paint for instance the phenolic modified paint as well as processing of formaldehyde water into formic acid.
The third would be the heat or oxidation and decomposition of your resulting with the reduced fatty acids including the formic acid and acetic acid. The acid part produced in the cured paint merchandise from the decomposition of water. The primary acid part of insulating paint is formic acid. There's a shut romantic relationship in between the quantities of formic acid using the degree of corrosion.
Since the describe in the engineer with the www.hk-nkf.com, the procedure in the Grease adsorbing to the volatile acidic elements from the paint is the most important explanation for leading to the raising from the acidic component as well as corrosion from the SKF deep groove ball bearing and FAG deep groove ball bearing.
The doing work principle from the grease should be to make use of the layer of grease to separate the ball plus the inner and outer raceway. It could use the oil viscosity traits to attach towards the surface in the ball plus the raceway and separated metal interface in the ball with the inner and outer raceways. This sort of condition would decrease the wear and tear on the metal surface and guard the metal from corrosion of air and water. It could also lessen vibration and noise and make the INA bearings for instance the NSK deep groove ball bearing have smooth rotation.
But following the deterioration in the grease, the viscosity on the grease will adjust plus the separator function and adhesion traits with the grease will disappear. This would trigger this kind of consequences. Very first, the acidic parts of the insulating paint would direct affect the surface of the metal and induce the corrosion of imported bearings for example the SKF Bearings and NSK Bearings. The 2nd is that it will eventually bring about the directly touch amongst the ball plus the inner and outer raceway.
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