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What are the characteristics of daily use bearings? What is the knowledge of vibration and temperature?

2019-07-02

Features of daily use of bearings:

First, they are designed and manufactured on the basis of the combined system. There are many motor combinations and installation forms. The transmission ratio is very fine at each level, which can meet different usage conditions.


Second, they are modular design principles using unit structures, which greatly reduces the types and inventory of components.

Third, their transmission efficiency is very high, the accuracy is very accurate, the energy consumption is low, energy can be saved, the performance is good, the failure is not easy, and the work efficiency is improved.


Fourth, it has a high-rigidity iron box with ribs, and the gears are made of better alloy steel. The surface is treated by carburizing and tempering, and the grinding teeth are finely machined. Therefore, the transmission is reliable and stable, and the bearing capacity is large. It adopts computer practice technology to repair the gears, which greatly improves the load-bearing capacity of the reducer, is more resistant to impact, has low temperature rise, less failure and prolongs service life.


Bearing vibration:

Bearing vibration damage to the bearing is still relatively obvious, such as these common problems, indentation, rust, cracks, spalling, wear, etc. can be clearly felt during the test, so by using a special bearing vibration measuring device (frequency The analyzer can measure the magnitude of the vibration, and the specific situation of the abnormality cannot be inferred by the frequency division. The measured value differs depending on the conditions of use of the bearing or the position at which the sensor is mounted. Therefore, it is necessary to perform a certain operation on the measured value of each machine in advance to determine the final data.


Bearing temperature:

The bearing temperature, some bearing temperature can be measured, if the oil hole can directly measure the bearing outer ring temperature, it is more suitable. Usually, the temperature of the bearing rises slowly as the operation begins, and it is stable after several hours. The normal temperature of the bearing will vary depending on the heat capacity of the machine, the amount of heat dissipated, the speed of rotation and the way it is rotated. The thermal temperature sensor can be used to monitor the operating temperature of the bearing at any time, and it can be prepared and reminded before the accident.


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