Zhang Can took care of Li Tianfeng in the hospital for one day. When Li Tianfeng woke up, he saw it at first. Zhang Can was also a technician of the large-scale parts production line. He entered the factory a year later than Li Tianfeng. He was one year younger than Li Tianfeng. He always called Li Tianfeng Brother Li. The two had a good relationship.

Li Tianfeng smiled slightly and said, "It's okay, it's okay, it's completely fine."

After the two exchanged a few greetings, several colleagues came up to ask Li Tianfeng, with enthusiasm and concern in their tone. Li Tianfeng is usually very popular in the office.

Li Tianfeng usually performed well. He was awarded the title of Outstanding Intern in the first year of his work. The outstanding interns from Factory E were selected once a year, and they were born from the group of new college students who entered the factory that year. In the same period that year, only ten of the more than 100 college students received this honor, Li Tianfeng was one of them, and only two people in the entire precision machining center received this honor.

Li Tianfeng usually performs well in his work, and is still the technical backbone of the Dapan Line. The parts processed by the Dapan Line are the most precise and critical parts among all types of engines, such as compressors and important key parts of the turbine. Many leaders from all over the factory are staring at the Dapan Line.

Li Tianfeng has a relatively high exposure rate in front of his leaders and his work has been booming. However, all this has passed. Li Tianfeng's current strength is different from the past, everything will start over again, starting from today is a new starting point.

After sorting out his ideas and opening his own computer, Li Tianfeng looked at the commonly used drawing and programming software such as CAD, UG, CAPP, etc. in the computer. He hadn't felt it before, but now Li Tianfeng sighed in his heart that he was really backward.

If the company's senior management knew what Li Tianfeng thought at this time, they would definitely be furious. These software are the latest version and are absolutely genuine. For these software, the company spent millions of yuan.

...

At nine o'clock in the morning, there were 20 or 30 people sitting in a large conference room at the company headquarters. The one in the middle was Liu Qingshan, the deputy chief engineer and chief craftsman of Factory E. At this moment, Liu Qingshan was tense, and the rest were also solemn. The atmosphere in the entire conference room was very dull.

"Why haven't the people from the precision machining center come yet and play the piano randomly?" Seeing that everyone was basically here and the people from the precision machining center did not appear, Liu Qingshan's tone was a bit angry.

Liu Qingshan has always been known for his majesty and rigor. This meeting was dedicated to studying the processing issues of the first-stage compressor blade plate of the turboshaft C engine processed by the precision machining center.

The turboshaft C engine is a tribute model for the 60th anniversary of the National Day. It will fly over Tiananmen Square in my country. The aircraft manufacturing of the helicopter factory is almost completed and will only wait for the turboshaft C engine of Factory E to be sent.

Aero engines have always been my country's weakness. Some new models do not have domestic engines. For example, the latest J-20 fighter jets are equipped with Russian aircraft engines. The current main model J-10 is also equipped with a large number of foreign cores.

But one of the key parts of the turboshaft C engine, the first-stage compressor blade tray, was problematic during processing. Both of them were scrapped, and the last two were left.

The roughs of this batch of turbine discs are hard-won, and domestic materials are not good at all. These rough materials were bought from Russia at a high price by my grandfather. The four roughs were a total of one million, which was a sky-high price. Good guy, I scrapped two of them in one go.

With a creak, the door of the conference room was carefully pushed open. Peng Xuehai, director of the precision machining center, and Cheng Gang, technical director, walked in sweating.

Seeing the majestic Liu Qingshan, Peng Xuehai felt embarrassed and his face turned slightly red. Just as he was about to speak, Liu Qingshan waved his hand and said, "Stop talking, find a seat to sit down, and start the meeting now."

...

Li Tianfeng didn't know that Peng Xuehai, director of the precision machining center, was holding a meeting in the group company and was criticized. At this time, Li Tianfeng was digging deep into the functions of CAD, UG and other software.

However, not long after, Li Tianfeng put down his mouse without any slightest, thinking in his heart, it's really boring, it's really backward, and it's incomparable to the advanced software in his memory.

Just thinking about this, at this moment, a young girl with a youthful look came in outside the craft technology room. Although she was wearing work clothes and a work hat, she couldn't hide her beauty.

As soon as the young girl came in, someone cheered happily: "Li Tianfeng, someone is here to find you."

As soon as the voice fell, many people around him laughed kindly.

The young girl's face turned slightly red, and she walked in with a processing technology card in her hand, lowered her head, as if she had enough courage. She walked to Li Tianfeng's position. The girl placed the technology card on Li Tianfeng's desk and said: "Mr. Li, I am processing this process and processed a first piece. The drawing requires that the position of these 16 holes is two wires, but the position of the first piece I processed is three and a half wires after being measured by a three-coordinate measuring instrument. What should I do?"

A single silk is one percent millimeter, which is 0.01 millimeter. People in Factory E are used to calling this unit "silk", and this unit is very commonly used, but the unit "micrometer" is rarely used.

One micron is 0.001 mm, and a thread equals 10 microns. In E factory, people are used to calling it "one thousandth", that is, one thousandth of a millimeter. One thousandth of a millimeter is equal to one millimeter.

In the field of precision machining, units "wire" and "a thousandth" are very commonly used. Everyone is used to it, and the same is true for Ouyang Feifei. He is used to saying two silks and three and a half silks.

Li Tianfeng looked at this process. This is the processing process regulations for the 10th-level roulette of the turboprop C engine compressor. The turboprop C engine was introduced from the old men in the early 1980s by Factory E and has been produced for more than 20 years.

Turboprop engines are also turboprop engines. Turboprop C engines are a mass-produced model. Factory E produces hundreds of turboprop C engines each year, mainly equipped with a main transport aircraft of the military.

Although my country is a military power and an economic power, the military's air transport capability is not strong, which is quite different from that of air force powers such as the United States and Russia. The maximum take-off weight of the military's main transport aircraft is only more than 70 tons, which is not a little worse than the United States' C119 transport aircraft.

The reason for this is that my country does not have an advanced engine. The main transporter of the military is still using the turboprop C engine produced by Factory E. One such transporter is equipped with four turboprop C engines.

As a product of the Russians in the 1970s, the turboprop C engine is now obviously behind, but Factory E still needs to be mass-produced every year to meet the needs of the military, which shows how backward the field of military transport aircraft in my country is.

Li Tianfeng looked at the process card handed over by the girl. The process card was compiled, reviewed, and approved by the current master of Factory E. The compilation "Huang Xuewen" was now the deputy director of the Engineering and Technology Department. The review "Liu Qingshan" was the General Secretary Liu just mentioned. The approval of the year, "Yang Xianfeng" was already the chief engineer of Director E and the number three person in Factory E.

"Mr. Li, how about it? Is there a way?" The young girl Ouyang Feifei had already bent down and asked Li Tianfeng softly.

The technology room is very large, with two or three hundred square meters in the entire office, dozens of single-element booths, and each technician has one booth. Li Tianfeng sat in his position, which was also a booth. When Ouyang Feifei leaned over, Li Tianfeng obviously felt a few strands of soft hair touching his cheeks, which was a little itchy.

At the same time, Li Tianfeng also smelled a faint fragrance of a girl. Ouyang Feifei is a front-line worker and an operator of a CNC machining center. She doesn’t have any smell of oil or coolant. Her work clothes are clean and her whole body is neatly tidy. This is a girl who loves to be clean.

Many people have spread it privately, saying that Ouyang Feifei must have some meaning to Li Tianfeng. Li Tianfeng herself has heard such rumors more than once, and she laughed it off every time.

It is true that Ouyang Feifei often comes to see Li Tianfeng, but it is basically a problem at work. After get off work, the two have very little private interaction.

Li Tianfeng quietly glanced at Ouyang Feifei next to him. Seeing Ouyang Feifei with fair skin and beautiful face, Li Tianfeng felt a little moved and thought to himself, Ouyang Feifei is still quite beautiful.

Seeing Li Tianfeng glance at him, Ouyang Feifei smiled generously and said, "Mr. Li, how about it? Is there any way?"

Li Tianfeng looked at the process card. The process card was compiled in the early 1980s. After so many years of production and continuous improvement, there should not be too big problems. Just looking at the process card, you can't see any problems.

So Li Tianfeng stood up and said, "Let's go and see the parts on site."

The two of them left the process technology room one after another and entered the processing site. Once they entered the processing site, there was obviously another atmosphere, a processing site of thousands of square meters, various processing equipment, a large number of workers, and a lot of semi-finished parts.

As an advanced precision machining center, the environment is pretty good. It is not as dirty and messy as some machining factories. The green painted floor is clean and can almost reveal people. The processing equipment is also neatly arranged.

There are many first-class and even top-notch processing equipment here. Good processing equipment is naturally imported from abroad. However, due to the technological blockade of developed countries, it took a lot of trouble to buy these equipment.

Take the precision five-coordinate CNC machining center operated by Ouyang Feifei as an example. This equipment was bought from a Singapore company from Switzerland. At that time, the Singapore company and Switzerland also signed an agreement that this equipment could not be used for military production.

Obviously, the company in Singapore bought this equipment for military production for Factory E, and was used for the production of key parts of aircraft engines. In order to cope with and conceal the Swiss side, the equipment must be disassembled and installed every two years, because the Swiss side has to go to the company in Singapore every two years to check whether the equipment is used for the processing and production of ordinary mechanical parts in Singapore as required by the agreement.

Therefore, whenever the Swiss side came to inspect, the equipment would be dismantled immediately and loaded and shipped to Singapore quickly. After the Singapore company was reassembled. After dealing with the Swiss inspection, it would be dismantled and transported back to Factory E to reassemble it, and then used for the production of aircraft engine parts.

Every time the disassembly and assemble, the accuracy of this equipment will be affected, but this is also a helpless move. Although my country is a big country, the domestic machine tool industry is not top-notch and can only be considered second-rate internationally. Some slightly more advanced processing equipment can only be purchased from abroad. Due to technological blockade, you may not be able to buy good equipment if you have money.

…………

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