The term was coined.
The technician was dumbfounded.
That's professional!
Is he a technician too?
Although it's unclear whether it's due to oiliness, this term isn't something the average person would know.
Oh shit.
You're not here to replace me, are you?
I haven't offended anyone.
The technician instead asked, "Are you a new technician at the factory?"
Wu Changfeng shook his head and said disdainfully, "I wouldn't come even if you begged me to be a technician!"
The technician breathed a sigh of relief.
Although they were challenged, they were still able to keep their jobs, which is quite good.
The technician asked, "How do you know the noise is from trapped oil? What's the evidence?"
Wu Changfeng smiled irritably.
evidence?
He said, "Could you please review the theoretical knowledge?"
The technician was quite embarrassed, and he stroked his chin, beginning to recall the knowledge from his books.
Hydraulic components rely on fluid to transmit pressure. When hydraulic oil is subjected to external force, it is intermittently pushed from a low-pressure area to a high-pressure area, or released from a high-pressure area to a low-pressure area, resulting in instantaneous pressure changes. This phenomenon is called oil trapping.
The reason for this name is probably because the hydraulic oil is controlled in a closed cavity during the process, just like a trapped wild animal.
Trapped oil can cause the liquid to flow rapidly, which raises the liquid temperature and produces a whistling sound.
In daily life, we sometimes hear the tap water pipes in our homes hissing. This is the result of oil trapping, caused by a sudden change in water pressure in the pipes.
but.
In Wu Changfeng's view.
The issue of noise caused by trapped oil is common knowledge for hydraulic engineers of later generations.
However, no one had ever pointed out this problem before; they all thought that was how hydraulic pumps were supposed to be.
After it opened, I learned that hydraulic pumps from abroad are much quieter.
This comparison.
Domestically produced ones become garbage.
During this period, because noise issues were not taken seriously, many technicians were unaware of this or had not studied this issue in depth.
The technician spun around in circles.
After he finally understood the principle.
Clapping his hands as if suddenly realizing something, he exclaimed, "I know! I know!"
"Stuck in oil, it's definitely stuck in oil!"
"Fuel distribution plate! There's a problem with the fuel distribution plate!"
"Replace the distributor plate!" the technician hurriedly called to the workers. "Quick, let's test it!"
Wu Changfeng poured cold water on the idea: "You still haven't figured out the real reason why the oil is trapped."
"ah?"
Everyone was dumbfounded.
If it's not the oil distribution plate, then what's the problem?
Tell me quickly!
We're so worried!
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