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The fault diagnosis and maintenance analysis of 3296 potentiometer
Date:2018-08-21 Views:837
Potentiometers are used in various industries or other fields of equipment, but with the rapid development of science and technology, more and more potentiometers are needed, so for the daily use of potentiometers when some troubleshooting methods do you know? Normal 3296 potentiometer in the process of slow rotation or straight slip, the shaft should be flexible rotation, elastic and appropriate, no mechanical noise. When measuring the resistance between the movable arm and the fixed end with a multimeter, the pointer of the dial head should move smoothly and there is no treaty drop. There are several common failures and maintenance of 3296 potentiometer:

1. Contact fault diagnosis and maintenance of 3296 potentiometer
Because 3296 potentiometer needs to adjust the resistance value frequently, the failure rate is still relatively high, mainly for poor contact, no contact or adjustment is not flexible, so that household appliances noise or can not work normally, but most of the reversible faults can be repaired. The common faults of 3296 potentiometer are breaking circuit inside pin, breaking switch, burning resistance body, wearing resistance body, excessive rotational noise and so on. The sliding contacts of commonly burned potentiometers will obviously become black and deformed.

2. Broken circuit fault diagnosis and maintenance of 3296 potentiometers
When the internal pin of the 3296 potentiometer is broken, the 3296 potentiometer will no longer play any role. The current and voltage of the circuit will not change when rotating the shaft or pushing the slider. When a multimeter detects resistance between two fixed pins, or before a fixed pin and a sliding contact pin, the resistance is infinite or near infinity. For the volume potentiometer controlled channel, 3296 potentiometer internal pin open circuit may appear silent fault.

3. Fault diagnosis and maintenance of rotating noise.
The main reason of the bourns 3296 potentiometer with high rotating noise is the wear of the resistor, which is the bad contact between the contact point of the moving piece and the resistor, and the value of the resistance is big or small, thus producing noise. If the bourns 3296 potentiometer with this kind of fault is detected by the pointer multimeter, the pointer of the multimeter will jump and move unsteadily. For this kind of fault, cleaning the shaft of the 3296 potentiometer can basically solve the problem.

The potentiometer which has been short-circuited or the resistance body burned out, is usually difficult to rest, and can be replaced directly to solve the problem.

The above methods are not only applicable to bourns 3296 potentiometers, but also can be used to judge and maintain other potentiometers.

Potentiometer has a long history, it is used in a variety of ways in a wide range of fields, such as constant adjustment and measurement. The most common thing is to set and fine tune the resistance value to fine tune the circuit, set the level and adjust the gain. Potentiometers are also used to design position feedback in robots and industrial equipment. Various aspects that need to be considered for potentiometers need to be set up for various needs of specific applications.