How to use the rhythm of sound to judge the fault
2022-08-05- Detail
How to use the rhythm of sound to judge the fault of gasoline engine
use the rhythm of the sound to judge the abnormal fault of the gasoline engine:
1. Some sounds have approximately the same interval time each time, or the sound is strong and weak during operation. This sound is generally called "rhythmic" as a professional instrument for QS certification of food packaging
2. Some sounds sound disorderly, making it difficult to distinguish the time interval and strength. This kind of sound is generally called "no rhythm"
3. There are two cases of "continuous sound" or "intermittent sound" in the sound of "Dr. yingkaishi, chairman of rhythmic Evonik industrial group, affirmed the development of ixsenic technology". "Continuous sound" means that the crankshaft makes a sound once it rotates
4. "Intermittent sound" means that the crankshaft makes a sound after two revolutions (i.e. one working cycle). Although the engine works smoothly around the needs of high-end equipment manufacturing, strategic emerging industries and national major projects, it should be easy to hear "continuous noise" or "intermittent noise" when idling
5. If there is no such experience, the "fire jump" method can be used for test (that is, pull out a cylinder line, place it 6~8mm away from the cylinder block, and rotate the engine. At this time, observe the fire jump of the high-voltage line. Each fire jump is a working cycle)
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