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Failure Detection of Hydraulic Tool Hydraulic Wrench System
source:Industry News release time:2021-11-13 Article author:Rosit Popular:Air band saw
There are many diagnostic methods for hydraulic wrench switch failures, but the most commonly used is sensory diagnosis. Sensory diagnosis method is to rely on equipment maintenance personnel to use simple diagnostic equipment and personal operating experience to diagnose the failure of the hydraulic switch, and determine the location and cause of the failure. For some simple faults of hydraulic wrenches, we can check the parts by seeing, touching, hearing and smelling.
(1) Visual diagnosis method
It is to use eyes to detect the operation of the hydraulic wrench switch, to detect the pressure value and temperature change of each pressure measurement point of the hydraulic switch, and to check whether the oil is clean and whether the amount of oil is sufficient. Check whether there is oil leakage at the hydraulic valve and pipe joints, the end cover of the hydraulic cylinder, and the drive shaft of the hydraulic pump. Hydraulic wrenches Detect products processed from equipment or perform performance tests to identify the operating status of the motion mechanism, the stability of the pressure and flow of the switch, and the operating status of the solenoid valve.
(2) Auditory diagnosis method
Use your ears to judge whether the operation of the hydraulic wrench, the switch or the component is normal, etc. Listen to whether the noise of the hydraulic pump and the hydraulic switch is too loud; listen to whether there are abnormal sounds from components such as the overflow valve; listen to whether the impact sound of the operating platform is too loud; listen to whether the piston collides against the bottom of the hydraulic cylinder, etc. .
(3) Tactile diagnosis method
Touch the temperature and operating status of the moving parts of the hydraulic wrench by hand, and touch the temperature of the hydraulic pump casing, the outer wall of the oil tank and the valve body casing by hand. The normal temperature should be around 55°C, if it exceeds 60°C, the cause should be checked. Hydraulic wrench Touch the moving parts and oil pipes with your hands, and feel for obvious vibration.
(4) Olfactory diagnosis method
Use your nose to sniff the hydraulic wrench oil to see if there is a peculiar smell. If you smell the scorched odor of the hydraulic oil, it means that the hydraulic pump and other hydraulic components are locally heated, causing the hydraulic oil to be burnt and smoke. Based on this, you can judge the heating part. Hydraulic Wrench Check whether the hydraulic oil has a foul smell or a pungent spicy smell. If it does, it means that the hydraulic oil has been severely contaminated and needs to be replaced and repaired in time. It can no longer be used.
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