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How do you start from the troubleshooting method of automated equipment?

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How do you start from the troubleshooting method of automated equipment?

Check all power, air, and hydraulic sources


The 50% troubleshooting problem is basically a problem with power, air and hydraulic sources. For example, there is a problem with the power supply, including the fault of the entire workshop power supply, such as low power supply, burned out of the insurance, poor contact of the power plug, etc.; the air pump or hydraulic pump is not turned on, the pneumatic triple or the two-piece is not opened, and the relief valve in the hydraulic system Or some pressure valves are not open, etc. These basic problems are usually the most common ones.


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Check sensor position for offset


Due to the negligence of equipment maintenance personnel, there may be errors in the position of some sensors, such as not in place, sensor failure, sensitivity failure, etc. Always check the sensor's sensing position and sensitivity, and adjust the deviation in time. If the sensor is broken, replace it immediately. Many times, if the power supply, air supply and hydraulic source are supplied without errors, more problems are the sensor failure. Especially for magnetic inductive sensors, due to long-term use, it is very likely that the internal grounding irons stick to each other, cannot be separated, and a normally closed signal appears, which is also a common problem of this type of sensor and can only be replaced. In addition, due to the vibration of the equipment, most of the sensors will have a loose position after long-term use. Therefore, during routine maintenance, always check whether the sensor is in the correct position and is firmly fixed.


Check relay, flow control valve, pressure control valve


Like the magnetic inductive sensor, the relay can also be stuck in the long-term use, so that the electrical circuit cannot be guaranteed to be normal and needs to be replaced. In pneumatic or hydraulic systems, the throttle opening and the pressure regulating spring of the pressure valve may also loosen or slide as the device vibrates. These devices, like sensors, are components in the device that require routine maintenance. Therefore, in daily work, these devices must be carefully checked.


Check electrical, pneumatic and hydraulic circuit connections


If no problems are found in the above three steps, then all circuits are checked. Check if there is any open circuit in the circuit, especially if the wire in the wire slot is broken by the wire slot. Inspect the air tube for damaging creases. Check if the hydraulic hose is clogged.


When checking the circuit at this step, use the necessary multimeter, adjust to the buzzer file, and check the path of the loop. If there is a serious crease in the trachea, replace it immediately and replace the hydraulic tubing.




Pub Time : 2019-05-05 16:18:09 >> News list
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