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Chapter 28: Pretending Reversely

Du Xiangyang's heart skipped a beat when he saw Guo Yonghe patting the electrical control cabinet.

Because he was responsible for the maintenance work of the electrical control cabinet of this French Sarem CNC machine tool in the afternoon.

Although the entire maintenance work was carried out in full accordance with the operation and use manual of the French Sarem Company, and there was no possibility of any problems, Guo Yonghe, this bitch, suddenly patted the electrical control cabinet at this time, but he couldn't help but

It made Du Xiangyang wary.

Just when Du Xiangyang was hesitating how to answer Guo Yonghe's words, Hu Changzheng couldn't wait any longer and asked impatiently:

"Technician Guo, can you tell me what other possibilities there are?"

"Chief Hu,"

Guo Yonghe turned to look at Hu Changzheng, "What method is used to dissipate heat in the electrical control cabinet of this French Sarem CNC machine tool?"

The more advanced the CNC machine tool is, the more electrical components are used in its electrical control cabinet, and these electrical components will emit a large amount of heat when working, which will strictly affect the performance of the electrical components themselves.

Therefore, just like a high-performance computer case needs to be equipped with a heat dissipation device for heat dissipation, a high-performance CNC machine tool electrical control cabinet also needs to be equipped with a special heat dissipation device for the normal use of the electrical control cabinet.

Generally speaking, the heat dissipation devices of electrical control cabinets are divided into three types: fans, heat exchangers and air conditioners. Among them, air conditioners are the main heat dissipation devices of electrical control cabinets of imported CNC machine tools.

The same is true for the French Sarem CNC machine tool in the Heavy Machinery Factory. A small air conditioner is installed in the electrical control cabinet to reduce the temperature in the control cabinet when the machine tool is working to ensure the normal operation of the internal electrical components.

When Hu Changzheng heard what Guo Yonghe said, he immediately reacted. He pointed at the electrical control cabinet and said to Guo Yonghe: "Technician Guo, you mean that there may be a problem with the cooling air conditioner in the electrical control cabinet.

?”

"It should be possible!"

Guo Yonghe nodded and said, "There is no water in the external environment of this Sarem CNC machine tool. Fan Xiaobin also said that he never wiped the servo system casing with a wet rag, so we can only guess whether it is the heat dissipation in the electrical control cabinet."

Is there something wrong with the air conditioner? Because from the current point of view, the only possible source of water stains on the servo motor casing is the condensation water generated when the cooling air conditioner in the electrical control cabinet is working!"

"Isn't this unlikely?"

Hu Changzheng touched his chin with his hand, "According to Sarem Company's design, the condensed water generated by the cooling air conditioner in the electrical control cabinet is evaporated through the evaporation side air duct. And according to our work over the past year,

Judging from the experience of using this Sarem CNC machine tool, there has never been a situation where the condensed water from the cooling air conditioner has penetrated into the servo system.

"What's more, this afternoon, Section Chief Du of our Equipment Department personally performed maintenance on the electrical control cabinet."

"right!"

Du Xiangyang said: "I just performed maintenance on the electrical control cabinet this afternoon, and the maintenance was carried out in strict accordance with the machine tool operation and user manual of Sarem Company. There will never be any condensation water from the cooling air conditioner dripping onto the servo motor.

Things on the shell!”

"Haha, Du Xiangyang,"

Guo Yonghe laughed, "My guess that the water stains on the servo motor casing may be caused by condensation water from the cooling air conditioner is just a possibility, and it does not necessarily mean that this guess is correct.

"As for whether this is the real reason, it is very simple to verify. Just take apart the partition of the electrical control cabinet and take a look at the working condition of the cooling air conditioner."

"This is a very simple matter. Du Xiangyang, are you so guilty that you dare not let Chief Hu take apart the partition of the electrical control cabinet?"

Du Xiangyang didn't expect Guo Yonghe to be so sharp-tongued, so he forced him into a corner and couldn't move. Could he still admit to Guo Yonghe that he just felt guilty and didn't dare to let Hu Changzheng open the partition of the electrical control cabinet?

Verify the working condition of radiator air conditioner?

"Okay, okay, Chief Du, why are you fighting a lawsuit with him?"

Xiang Lixin said solemnly: "If he wants to open the partition of the electrical control cabinet for verification, then open the partition of the electrical control cabinet for him to verify. After verification, what else can he say?"

Having said this, he looked at Guo Yonghe again: "Guo Yonghe, let me ask you one last question. If you open the partition of the electrical control cabinet and verify that the water stains on the servo motor casing have nothing to do with the condensation water of the cooling air conditioner, then this

Let Fan Xiaobin bear the responsibility for the machine tool accident. Will he not have any opinions?"

"Of course!"

Guo Yonghe nodded and said: "If you dismantle the partition of the electrical control cabinet and confirm that the condensate water from the cooling air conditioner will not drip onto the servo motor casing, then I can't think of any other reason except that I think Fan Xiaobin lied.

, accidentally wiped the servo system casing with a wet rag filled with water."

Seeing that Guo Yonghe wanted to give up on himself, Fan Xiaobin was frightened. He pulled Guo Yonghe's arm tremblingly and said sadly: "Brother-in-law, I didn't lie..."

Guo Yonghe threw Fan Xiaobin's arm away: "Whether you lied or not, we can confirm it after opening the partition of the electrical control cabinet!"

Seeing that Guo Yonghe promised not to continue matryoshka after checking the radiator and air conditioner, and that this farce was finally coming to an end, Xiang Lixin no longer hesitated, waved his hand at Hu Changzheng, and said: "Old Hu, turn off the electrical appliances."

The control cabinet partition is open!”

"yes!"

Hu Changzheng responded, went up with tools and opened the partition behind the electrical control cabinet, revealing the small air conditioner inside.

Then he held up his flashlight and shined a light on the small air conditioner. His expression suddenly changed, and he turned to Du Xiangyang who was following behind him and asked: "Chief Du, who installed the water baffle for the cooling air conditioner?"

Du Xiangyang had already seen the windshield clearly. His face was ashen and he whispered: "Yes, I installed it."

"What's wrong?"

Xiang Lixin immediately rushed forward and asked loudly: "Chief Hu, what's wrong with the air-conditioning water shield?"

"It's the other way around, it's completely the other way around!"

Hu Changzheng pointed at the water deflector and almost cried.

In order to prevent the wind speed in the evaporation channel from being too high and causing condensed water to splash out and enter the interior of the electrical control cabinet, Sarem Company specially installed a water baffle in the evaporation side channel, thus completely preventing condensed water from entering the interior of the electrical control cabinet.

But I didn't expect that Du Xiangyang, as a technical backbone sent by the Heavy Industry Department for temporary training, would make such a stupid mistake. When performing maintenance on the electrical control cabinet, he installed the water baffle backwards...
Chapter completed!
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