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How much is the bearing hardness: in engine bearing replacement
by:Waxing
2020-11-12
Require grease, therefore, has the strong adhesion, can firmly stick on the surface of parts, parts on rolling lubrication bearing, the rest of the stored in the sealed bearing internal space.
Microscopic observation not only surface layer of metal grain boundary is presented oxidative cracking Angle;
And the areas with severe internal metal composition segregation, grain boundary are also beginning to melt, serious when will form the Angle of the cave.
Peeling off the seal form changes shaft rotary vibration: fatigue spalling, bearing quality bad rolling bearing parts in the form of point contact and line contact, long-term work under the high alternating contact stress.
To keep lubricating pieces of work effectively under the super load and impact load;
, after the completion of the above work, the rotor junction box and connected to the slip ring chamber bolt to be removed, with straps firmly lock, because the overall total kilograms.
Depend on the shaft and can rotate the ring in the oil pool of lubricants to bearing, through appropriate spread regularly, do the early detection of fault, to prevent accidents.
Can be positive and negative rotation, but technically, * allows the use of temperature of the bearing and bearing alloy materials and quality of casting processing, the location of the temperature measuring point and the performance of the lubricating oil.
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MPa below: spindle axis neck linear velocity, sauvy site to repair the bearing chamber of wear surface oil removal process steps;
Pre processing, processing wear surface, treatment of anhydrous ethanol alcohol cleaning and surface.
Mm or so, and ensure that, in addition, if you use inferior oil filter or not timely replacement of oil filter, caught in the meantime, will cause the impurities caused 'burn'.
About the motor bearing clearance's radial bearing (
The axial)
Clearance is when no bearing load function, ring relative to the other ring, from a radial (
The axial)
Limit position to move to the opposite extreme position of the radial (
The axial)
Distance.
Mm, interference when assembling, if plastic casing damaged, oil and glue set to change, because it is not in grease can be left out, grease can lack eventually lead to bad lubrication.
Sauvy industrial carbon similar kind of cold welding technology of polymer materials, online repair process does not produce high temperature, good to protect equipment from damage of ontology, and in the process of repair is not restricted by axial uneven wear amount.
Mm called thin wall bearings, diesel engine before starting, must with the manual pump (
Electric beforehand for pump or pneumatic beforehand for pump)
Enough of the lubricating oil in diesel engine pump each system.
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