"Enough!"

Gao Weiguo rebuked loudly and was furious.

"It seems that the face of the president of your Automotive Research Institute is useless in passenger cars. Feng Hao laughed and said, "If the employees of passenger cars are so arrogant and unreasonable and self-centered, then I think this cooperation is still over." ”

"Don't go!" Gao Weiguo was as anxious as an ant in a hot pot, and hurriedly stopped Feng Hao. The Passenger Car and Automotive Research Institute belong to the brother units, but the filth in the middle is not enough for outsiders. At the same time, he pointed at Yang Rongyi and scolded, "Hurry up and apologize to Feng Hao now, otherwise you will be a sinner in history!"

"Hey, return the sinners of history, you don't button my hat, now is not a special period in the sixties and seventies!" Yang Rongyi was not stunned at all.

With the best-selling of the mythical GS4 series, the employees of the passenger car began to swell their mentality, and even made a strike a few months ago in the form of a bonus equivalent to 12 months' salary! Why do you have to give you money for the car produced by Lao Tzu?

It's a pity that they forgot that without the design of the Automobile Research Institute, you passenger cars would be produced from the beginning?

"If you don't apologize again, I'll fire you!" Gao Weiguo was furious.

"me, my personnel relations are not in your hands. Yang Rongyi pushed back.

Gao Weiguo was choked by this sentence and his chest was short of breath: "Why are you pumping your brain? I finally invited the great god, if you are driven away, believe it or not, Lao Tzu will fight for the position of dean, and you will be dismissed and investigated!"

This move can be described as a killer move, and a style of divine palm turned into a five-finger mountain to directly suppress Yang Rongyi, who was invincible just now, and the latter dared not speak out.

Seeing that Yang Rongyi closed his mouth, Gao Weiguo hurriedly stopped Feng Hao, and said with a pleasant face: "I apologize to you on behalf of Yang Rongyi, I hope you don't remember the villain, for the sake of domestic cars being discriminated against by foreign car companies, you can help me solve the problem of the engine." ”

After speaking, Gao Weiguo bent down to apologize as a dignified dean and a department-level cadre to retain Feng Hao!

In the face of Gao Weiguo, who was so sincere, Feng Hao warned: "Don't take it as an example!" After speaking, he walked straight to the first link of engine production, Sha Mold.

Sand molds, as the name suggests, are molds made from sand. In this mold, there will be many holes and vacancies designed for the next process.

In order to ensure that the prototype of the engine produced in the next process has normal microdata in all aspects, the sand mold must be engraved by a very precise machine.

The accuracy of the sand mold is extremely high, and even if it is an error of one millimeter, the final engine may be a scrap.

This kind of precision machine tool, even if it is an independent brand of self-developed engine, uses products from developed countries such as Germany, RB, and Italy in precision machine tool technology.

Looking at the sand mold produced by the precision machine tool from Germany in front of him, Feng Hao frowned slightly.

"What's wrong?" Gao Weiguo felt strange and asked, "Is there a problem with the machine tool?"

"There is no problem with the machine, but there is a problem with the sand mold produced. Feng Hao replied.

Yang Rongyi was about to open his mouth to refute, but was glared at fiercely by Gao Weiguo, so he had to hold his words into his stomach.

Pretending! Whether it is manual sand mold inspection or machine review, they have all reached the data standard! You can see the problem with your naked eye? Do you think you are the Monkey King with a pair of fiery eyes?

Feng Hao pointed to a hole in the sand mold and said: "The arc here is not right, there is an error of 0.34 mm. ”

When Yang Rongyi heard this, he was immediately happy. You can make the error accurate to 0.01 mm with the naked eye, you are not a sharp eye, you are simply a microscope!

He didn't have to mock Feng Hao, but he had other means, called a quality inspector and asked him to go up for testing, wanting to slap his face with facts, but it turned out that there was really an error, although it was not 0.34 mm, but it was almost the same, 0.32 mm!

As soon as the test data came out, the audience was in an uproar.

That's awesome, isn't it?

Yang Rongyi felt very embarrassed, and slandered in his heart, shit luck.

Although the error is only 0.32 mm, it does not reach the error of 1 mm, but as a super-first-class engine, this error is simply not tolerated.

Gao Wei Chinese said seriously: "Everyone, we are trial-producing a domestic engine that is no longer outdated, but a world-class engine that is super first-class, so please cheer up, abandon old concepts, old ideas and old traditions, and work with a realistic attitude!"

After saying this, he deliberately looked at Yang Rongyi.

It's a dismount!

Immediately, Yang Rongyi was annoyed and ashamed, and his face was red.

"Then what should I do now?, do you want to make a sand mold again?" Gao Weiguo asked Feng Hao.

"No, it's too much trouble, I don't have the time. Feng Hao refused, continued to walk forward, and came to the second process: casting.

Casting is a four-step process, melting the molten iron, pouring begins, the metal cools, and the mold soil is knocked out.

However, before casting, all sand molds are transported by machine to the designated filling area. Here, the sand molds are subjected to high temperature resistance and fastening. Prevent the change of small structure of the sand mold, which will affect the yield of the engine.

The high-temperature furnace for melting molten iron is very important, whether the furnace wall material will release impurities at high temperature, weaken the stiffness of the metal material, the temperature control of the furnace, the heating rate, etc., will directly affect the metal performance of the whole engine. Similar to precision lathes, high-temperature furnaces also rely on imports.

Regardless of the heat, Feng Hao carefully watched as the molten iron was poured into the sand mold from the high-temperature furnace, and the engine blank was formed after the metal was cooled.

This process is also crucial, and even the process control of cooling the metal is a strictly confidential technology for every car company, especially the first-line car companies, because this step affects the quality of all aspects of the engine and is the most demanding step in engine manufacturing.

Thanks to Feng Hao's technical data, the cooling control technology of the passenger car has been adjusted, so that the metal cooling fully meets the requirements of first-line car companies, and ensures that the engine blank with mold soil knocked out has sufficient quality.

There is no problem with the high-temperature furnace and metal cooling, but there are errors in the sand mold of the first process, and there are naturally errors in the engine blanks produced, but they are not irreparable.

The next steps are roughing and finishing.

Imported machines from Germany and other developed countries with precision instruments are used to process and polish the engine blanks. Due to the change in the design and structure of the engine, the processing machine of the GS4 production line is not precise, and the technician needs to use a lathe based on experience, manual reprocessing and polishing to meet the technical requirements.

Feng Hao said that the way to redeem the sand mold problem is here.

He had to go into battle personally and get the engine blank out to the extent that it met the requirements.

By the way, let the frog at the bottom of the well know that there are people outside the sky!