D253-50552R

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D253-50552R, also known as Bearing Internal Clearance and Preload, is a measuring instrument used to detect the inner clearance of bearing sets. It can measure the degree of axial interference, radial displacement, and vibration of the bearing set. It is widely used in industrial areas, such as automobile, roller bearing, aerospace, industrial automation, mining, and robotic applications.

The working principle of D253-50552R is based on the analysis of the clearance of the rings and the bearing sets. The instrument uses two sets of oscillating plates to measure the internal clearance of the bearing sets. The first one is the reference plate which is attached to the housing of the instrument. Then, the inner plate is attached to the external ring of the bearing set. The inner plate vibrates in a circular motion at a certain frequency, the reference plate remains static. The displacement of the inner plate is recorded during the bearing operation.

In order to measure the clearance value, the instrument is firstly calibrated with the bearing sets before the actual measurement is done. The calibration is done by changing the preload of the bearing sets, which will result in the change of the inner clearance of the bearing sets. The preloads of the bearing set must be adjusted according to the clearance value mentioned in the datasheet. The preload refers to the force that is applied to the bearing set in order to prevent movement between the inner and outer ring of the bearing. Once the calibration is done, the instrument is ready for the actual measurement. During the measurement, the velocity of the inner plate is measured using a laser sensor. The output signal of the sensor is then fed to an analyzer, which will output the angular velocity of the inner plate. This value is then used to calculate the internal clearance and preload value of the bearing set.

The D253-50552R instrument can be used in a wide range of industrial application areas. Its application fields include automotive, aerospace, industrial automation, mining, and robotic applications. It is used to measure the inner clearance and preload of bearing sets in order to reduce the failure rate and increase the accuracy of the operation process. This instrument can also be used to detect the internal clearance in the early stage of the production process. It is an ideal tool for quality assurance of bearing sets.

In conclusion, D253-50552R is a versatile instrument which is used to measure the inner clearance and preload of bearing sets. It is based on the analysis of the clearance of the rings and the bearing sets with two sets of oscillating plates. This instrument can be used in the application fields such as automotive, aerospace, industrial automation, mining, and robotic applications. It is an ideal tool for quality assurance of bearing sets and ensures the accuracy and reliability of the operation process.

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