In November, the turbofan 20 engine has been in full trial production for several months, many parts have completed the process verification, the processing of the parts can fully meet the design requirements, only a small number of parts, is still in the third batch, or the fourth batch of parts process verification.

The trial production and processing of parts are carried out batch by batch, and after processing a batch, according to the processing of this batch, a summary analysis is carried out, and then the process is improved, and then the next batch of trial production is carried out according to the process after improvement and perfection.

Batch after batch, batch after batch, until the design requirements are fully met, the process method and process parameters are completely reasonable and scientific, and can fully meet the mass production, the process verification of the parts of this drawing number is completed.

Now, as most of the parts of the turbofan 20 engine have passed the process verification and entered the final sprint stage, the small number of parts that have not successfully passed the process verification have been focused on tackling key problems.

Li Tianfeng was in his office, looking at a list seriously, this is the list sent by Zeng Qinghai, the key parts of the turbofan 20 engine, in the list, there are dozens of such parts.

These parts are parts that have not passed the process verification for the time being, and there are more or less some problems in the trial production process of the parts.

In the list, there is not only the part number, trial production batch, the main problems and other information, but also the name of the person in charge of the process, the research of these parts, have been implemented to the specific responsible person, led by these process technicians, as soon as possible to complete the trial production of parts.

After reading this list of parts, Li Tianfeng said in his heart that Zeng Qinghai was more careful and implemented each part. It is believed that it will not be long before these parts will be fully validated by the process.

At the same time, Li Tianfeng is in this list, every time he looks at a part number, he will think about the part, in terms of design. Whether some level of design changes can also be made to enhance the manufacturability of the part.

It is possible to make appropriate design changes without affecting the design, enhance the manufacturability, and make the parts easier to process, because it is now the trial production stage of the parts, and it is common to make design changes.

Design of each part. Li Tianfeng was clear in his heart, so while watching, Li Tianfeng annotated which parts could be appropriately designed and which could only be used for process public relations, and one by one he was on the list.

In the end, Li Tianfeng signed his opinion in the blank space at the end of the list, and instructed the design and process departments to work together. Discuss how to make specific design changes to the part to enhance the manufacturability of the part. In order to ensure the smooth completion of the process verification of the parts.

We know that the manufacturability of the parts is strong, the parts are easier to process, if the manufacturability is relatively poor, it will make people anxious in the trial production process of the parts, which is very tricky.

Such a situation exists in the country. There are some designers who don't understand the process at all, and when designing, they just blindly pursue their own design, and the parts designed in this way. It is conceivable that it is enough to make a group of craftsmen collapse.

On the one hand, Li Tianfeng attaches great importance to this aspect, every time a new engine is designed, the manufacturability must be fully considered, and on the other hand, Tianfeng Technology Company pays attention to the communication of design and technology.

After signing his opinion, Li Tianfeng put this list in the upper right corner of his desk, and all the documents that have been processed in this position are placed, and every morning and afternoon, Liu Wei will come over to distribute these processed documents to various relevant departments.

………

Headquartered in the United States, GTF is a new company, jointly established by a total of seven companies including GE and Pratt & Whitney.

The company's every move has attracted the attention of many people in the aviation industry, and it is strange that after the company was high-profile at the beginning of its establishment, it has been silent and appears to be very low-key.

But today, the headquarters of GTF suddenly became lively, with a lot of people from the aviation industry and even a large number of media reporters, which seemed very high-profile.

On the official website of GTF, it was also officially announced that it would hold a global launch for its new engine, inviting all the world's aviation celebrities to attend, and more than 1,000 people received invitations, including not only senior executives of aero-engine companies, but also executives of Airbus, Boeing, Bombardier and other passenger aircraft manufacturers.

In China, there are also many people from the aviation industry who have received invitations, such as Mr. Lin of AVIC, several executives of COMAC, and several senior executives of the Airbus manufacturing base in Jingang City.

Tianfeng Technology Company actually received an invitation, such an invitation, what kind of purpose the other party has, it is self-evident, it is simply with picking, with toes can be figured out.

However, in order not to show his childishness, and in order to better understand his opponent, Li Tianfeng sent Xu Lilong to lead the team, Tianfeng Technology Company went to five people, and arrived in the United States a day in advance.

Xu Lilong looked around the entire press conference hall and thought to himself, his competitor is really high-profile, as can be seen by looking at the huge press corps.

Next to Xu Lilong, there are a number of domestic peers, including Ma Delong of COMAC, the press conference has not yet started, and Ma Delong is chatting with Xu Lilong.

Ma Delong said: "Mr. Xu, I'm worried about you, you look at the distance, those people are all senior managers of the world's regional airliner manufacturing companies, and these people obviously have expressed a strong interest in GTF's new engine." ”

Xu Lilong nodded, and also saw the situation in the distance, those people were being received by a senior executive of GTF, who seemed to be introducing his new engine.

Xu Lilong said: "Mr. Ma, GTF will launch a new engine, which is a huge challenge for us Tianfeng Technology Company. ”

Ma Delong also nodded worriedly, and then comforted: "Mr. Xu, I really admire you a little, if it weren't for forcing the opponent to a certain extent, the other party would not have established this joint company, and hurriedly launched their new engine." ”

Hearing this, Xu Lilong smiled, this is still true, if it were not for the strong rise of the dark horse of Tianfeng Technology Company, which seized the share of many international regional airliner engines, his opponents would not be like this.

It is enough to be proud to be able to force these world's aero engine giants to this extent!

At nine o'clock in the morning local time, the press conference officially began, the new president of GTF company, a big fat man with a big belly, delivered a speech in person, Xu Lilong is proficient in English, and naturally can listen to it clearly.

The fat president first gave a welcome speech, and then boasted about his new engine.

After the fat president finished his speech, and then waved his hand, in the release hall, a panorama of a new engine appeared on the huge screen, which is the power of GTF's new engine, a regional airliner.

A very capable foreigner, walked to the rostrum, began to introduce this new engine to everyone, in order to understand his opponent, Xu Lilong wrote down all the introduction of this engine, and gave a subordinate next to him a look.

The subordinate understood, nodded, took the high-definition camera that had been prepared a long time ago, and filmed all this, because it was a public press conference, and it was allowed to take pictures.

The foreigner was illustrated and introduced in detail, and many people at the meeting showed strong interest, especially those regional airliner manufacturers.

Seeing such a situation, several executives of GTF Company looked at each other happily, and their faces were full of joy.

After the introduction, the next step is the question time, many reporters, many industry insiders, one by one.

How much does this engine cost?

When will it be officially put into commercial operation?

When...

Asking questions one by one, the atmosphere of the whole press conference was very warm, and seeing this scene, Xu Lilong's face gradually showed a worried look.

The question time was at least more than an hour, and it was not until this time that everyone's questions were almost asked, at this time, the fat president of GTF company's eyes drifted to Xu Lilong, and the fat president said: "Mr. Xu of Tianfeng Technology Company, do you have anything to ask?" ”

The entire press conference site is basically full of industry insiders, that is, most of these reporters know or are familiar with the situation in today's aviation industry, and now, seeing the president of GTF company ask, suddenly, the entire press conference hall is quiet.

Everyone's eyes were focused on Xu Lilong, a large number of cameras, cameras pointed at Xu Lilong, at this moment, Xu Lilong became the absolute focus of the entire press conference.

Many people had a look of watching the show on their faces, and thought in their hearts that the show was about to begin, and Tianfeng Technology Company and GTF Company were rivals, and this competition would become more and more intense.

Many people thought in their hearts, is this to publicly humiliate Tianfeng Technology?

Next to Xu Lilong, those people in the domestic aviation industry, including Ma Delong and others, without exception, were all worried, and they all looked at Xu Lilong worriedly.

At this moment, Xu Lilong stood up slowly, without the slightest timidity or retreat on his face, on the contrary, his face was full of firmness and confidence.

………

Today, we will continue to see three more, and the second one will be sent! (To be continued......)