What is the maintenance method for metric ball joint rod ends?

The metric ball joint rod ends vibration is very sensitive to the damage of the rod end joint bearing. For example, peeling, indentation, rust, crack, wear, etc. are reflected in the metric ball joint rod ends vibration measurement. Therefore, by using a special metric ball joint rod ends vibration measuring device (frequency analyzer, etc.) can measure the magnitude of the vibration, and the specific conditions of the abnormality cannot be inferred by the frequency division.
The measured value differs depending on the conditions of use of the rod end joint bearing or the position at which the sensor is mounted. Therefore, it is necessary to analyze and compare the measured values ​​of each machine in advance to determine the judgment standard.

The temperature of the metric ball joint rod ends is generally estimated by the temperature of the outer surface of the rod end joint bearing. If the oil hole can directly measure the outer ring temperature of the rod end joint bearing, it is more suitable.
Usually, the temperature of the metric ball joint rod ends gradually rises as the rod end joint bearing starts to operate, and reaches a steady state after 1-2 hours. The normal temperature of the metric ball joint rod ends varies depending on the heat capacity, heat dissipation, speed and load of the machine. If the lubrication and installation parts are suitable, the temperature of the rod end joint bearing will rise sharply, and abnormal high temperature will occur. At this time, it is necessary to stop the operation and take necessary precautions. The thermal sensor can be used to monitor the working temperature of the rod end joint bearing at any time, and automatically alarm or stop the occurrence of the burning shaft accident when the temperature exceeds the specified value.

Repair of metric ball joint rod ends
The usual metric ball joint rod ends are available in several types.
Regular maintenance of metric ball joint rod ends: In order to ensure the normal operation of the main engine, according to the request of the host and the bearing design theory and application experience, set a maintenance cycle and regular maintenance.
Metric ball joint rod ends: When the bearing is in trouble, stop the inspection and repair.
Measure ball joint rod ends: Apply advanced bearing fault diagnosis technology, stop real-time monitoring of bearing operation status, and make advance notice before the bearing attack, stop maintenance.

During the operation of metric ball joint rod ends, sound, temperature and vibration are inevitable. Therefore, regarding the maintenance and maintenance of the bearing in operation, it is possible to find the abnormal change of the bearing through the methods of listening, touching, observing, and using the bearing fault diagnosis instrument, and determining whether the rod metric ball joint rod ends can be in a normal working state according to the changed state.

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