How to install and maintain chrome plated rod end bearing?

The vibration of the chrome plated rod end bearing is very sensitive to the damage of the rod end joint bearing, such as peeling, indentation, rust, cracks, wear, etc., will be reflected in the rod end joint bearing vibration measurement.
Therefore, by using a special chrome plated rod end bearing vibration measuring device (frequency analyzer, etc.), the magnitude of the vibration can be measured, and the specific abnormality cannot be inferred through the frequency division. The measured value differs depending on the use condition of the chrome plated rod end bearing or the installation position of the sensor. Therefore, it is necessary to analyze and compare the measured value of each machine in advance to determine the judgment standard.

The temperature of the chrome plated rod end bearing can generally be inferred from the outside temperature of the chrome plated rod end bearing. It is more appropriate if the oil hole can be used to directly measure the temperature of the outer ring of the chrome plated rod end bearing.
Usually, the temperature of the chrome plated rod end bearing starts to rise slowly with the operation of the rod end joint bearing, and reaches a stable state after 1-2 hours. The normal temperature of the chrome plated rod end bearing varies with the heat capacity, heat dissipation, speed and load of the machine.
If the lubrication and installation parts are proper, the temperature of the chrome plated rod end bearing will rise sharply and abnormally high temperature will occur. At this time, the operation must be stopped and necessary precautions must be taken.
Use the thermal sensor to monitor the working temperature of the chrome plated rod end bearing at any time, and realize the automatic alarm or stop to prevent the burning shaft accident when the temperature exceeds the specified value.

Installation and removal of chrome plated rod end bearing
1. Where the press is missing or cannot be used, the chrome plated rod end bearing can be installed with an assembly sleeve and a small hammer. The hammering force should be evenly transmitted to the entire circumference of the end surface of the chrome plated rod end bearing, so the hammered end surface of the assembly casing should be made into a spherical shape.
　　2. The force required to install the chrome plated rod end bearing is related to the size of the joint bearing and the size of the matching interference. For medium or large chrome plated rod end bearings with large interference, the hot-fitting method is commonly used. Put the end rod joint bearing or the detachable chrome plated rod end bearing ring into the oil tank or special heater and heat it to 80-100°C evenly, not more than 100°C before hot assembly.

　　3, hot loading chrome plated rod end bearing requires skilled operation skills. When the joint bearing is taken out of the heating oil tank or heater, immediately wipe off the oil and attachments on the surface of the joint bearing with a clean cloth (note that cotton yarn cannot be used), and then place it in front of the mating surface. The joint bearing is pushed to the position against the shaft shoulder.
Always push tight during the cooling process, or use a small hammer to tap the joint bearing through the assembly sleeve to make it tight. When installing the chrome plated rod end bearing, the joint bearing should be rotated slightly to avoid tipping or jamming during installation.
　　4. When the outer ring of the chrome plated rod end bearing is tightly fitted with the housing hole, the housing can also be heated and installed into the joint bearing. In particular, the joint bearing of light metal material may damage the mating surface due to the pressing of the outer ring during the tight fitting process. In this case, the end rod joint bearing should be heated first.

Maintenance editor
The usual chrome plated rod end bearing repair varieties are as follows
Regular maintenance: In order to ensure the normal operation of the main engine, according to the request of the main engine and the design theory and application experience of the bearing, a maintenance cycle is set for regular maintenance.
Fault maintenance: When the bearing is faulty, stop for inspection and maintenance.
Early warning maintenance: The application of advanced bearing fault diagnosis technology, to stop real-time monitoring of the operating status of the bearing, and to give an advance warning before the bearing fault occurs and stop maintenance.

During the operation of the chrome plated rod end bearing, phenomena such as sound, temperature and vibration are bound to appear. Therefore, with regard to the maintenance of the bearing in operation, abnormal changes in the bearing can be found by listening, touching, observing, and using bearing fault diagnostic equipment, and judging whether the rod end joint bearing is in a normal working state according to the changed state.

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