2019年9月3日星期二

Six maintenance methods using automotive bearings



Car bearing maintenance instructions summary: car bearing maintenance instructions vehicle rated load range work severe overload directly lead to bearing overload bearing early failure more serious cause of vehicle failure personal safety accidents prohibit bearing abnormal impact load periodic inspection bearing use state observe the bearing Whether the part is abnormal or not, the local temperature rises sharply. It is required to periodically quantify the hydrodynamic bearing.

Maintenance methods for automotive bearings:

1. The vehicle should work within the rated load range. If the overload is severe, the bearing will be overloaded directly, which will cause early failure of the bearing. More serious will cause vehicle failure and personal safety accidents;

2. The bearing is prohibited from being subjected to abnormal impact loads;

3. Regularly check the use status of the bearing, pay attention to observe whether there is abnormal sound and partial sharp temperature rise in the bearing part;

4. Regularly or quantitatively add lubricating oil or grease as required;

5, according to the use of the vehicle, at least once every six months to completely replace the lubricant, and carefully check the bearing;

6. Inspection under bearing maintenance condition: Clean the bearing under detachment with kerosene or gasoline, carefully observe whether there is sliding or creeping phenomenon on the inner and outer cylindrical surfaces of the bearing, whether the inner and outer raceway surfaces of the bearing are peeling or pitting, and the rolling elements And whether the cage is worn or deformed, etc., according to the comprehensive inspection of the bearing, to determine whether the bearing can continue to use.
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Stainless steel imported bearing characteristics and uses



Stainless steel is the most common bearing material in imported bearings, and it is also the most practical. Of course, the cost is also fluctuating with the price of steel, so the price of stainless steel bearings is also fluctuating frequently. Another point is that the bearing steel used in stainless steel bearings is also divided into many types, depending on various application environments and performance requirements.

Stainless steel bearings can organize batch production, achieving high strength and high precision. It can be used in a wide range of products that are easy to corrode and corrode.

Product characteristics: The bearing ring and rolling element material are vacuum-quenched and tempered by AISI SUS440C stainless steel (domestic code: 9Cr18Mo, 9Cr18). The frame material of the cage and seal ring is made of AISI304 stainless steel (domestic code: 1Cr18)

Compared with ordinary bearing steel, stainless steel bearings have stronger rust and corrosion resistance. Choose suitable lubricants, dustproof covers, etc., and can be used in the environment of -60 ° C ~ +300 ° C. Stainless steel bearings are widely used in food processing, medical equipment, and pharmaceutical machinery due to their high mechanical strength and load capacity.

Main uses: medical equipment, cryogenic engineering, optical instruments, high-speed machine tools, high-speed motors, printing machinery, food processing machinery.
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