God-level industrial master

Chapter 560 "Blade" Thin and Silent

Yi Chunhua was polite and did not forget to pay a visit to Tang Fei.

It can be seen that Yi Chunhua is in a good state of mind and seems to be in a good mood, which is completely different from before. This is mainly because the progress of their self-developed new aero-engine and the trial-produced UAV engine are relatively fast. Well, many technical issues have been resolved.

For example, the new engine independently developed by them originally faced some technical difficulties, but inspired by the UAV engine design data, these technical difficulties have been basically solved.The UAV engine is facing some technical problems in the production and trial production, which have been solved so far, such as the problem of machining accuracy.

For more than ten kinds of parts that cannot meet the requirements in terms of machining accuracy, they only need to carry out the preliminary process, starting from the blank, and only do rough machining and semi-finishing machining. Processing is carried out at Jiuzhou Heavy Industries.

The first part has arrived, in a big box by air express.These are the fan blades of the UAV engine. They have been processed in the 336 factory for the semi-finishing process, and the next step is the finishing of the complex blade profile.

The profile of the blade is very complex because of the aerodynamic requirements.When the engine is working, the fan rotates at high speed, and the fan rotor sucks in and compresses the outside air, part of which is provided to the compressor behind, and part of the air is directly discharged from the back of the fan to generate thrust.

Therefore, the quality of the fan blade processing is directly related to the overall performance of the entire engine. The fan blades of these UAV engines are designed very scientifically, but like other turbofan engines, the fan blades have complex profiles. A high-precision five-axis machining center is required for precision milling.

However, Factory 336 does not have a high-precision five-axis linkage machining center. They only have a few domestic five-axis machines, which cannot meet the precision requirements at all, and the processed blades cannot meet the quality and design requirements. They have tried to process some of them. But all failed.

Yi Chunhua knows etiquette very well. When he arrived in Shenhai City, he first visited Tang Fei. Accompanied by Yang Chenglin, he came to the door of Tang Fei's office. After knocking on the door and entering, he first said politely, "Mr. Tang, hello, I It's Yi Chunhua from Factory 336, here to disturb you."

Tang Fei, who was looking at some recent documents and reports, immediately put down the things in his hands, and said enthusiastically: "Oh, it's Mr. Yi, I know you've arrived, please sit here."

Seeing that Tang Fei was so enthusiastic, without the slightest airs, Yi Chunhua felt a little nervous and relaxed, and sat down on the sofa in the reception area.

Immediately, someone came over to make hot tea, Tang Feilai also came over, sat down on the sofa in the reception area, and started talking with Yi Chunhua. Under the leadership of Yi Chunhua, the people from Factory 336 had arrived at Jiuzhou Heavy Industry, and they also came with a box of semi-finishing fan blades.

Zhu Yifeng had already reported it to Tang Fei. Tang Fei originally thought that Yi Chunhua would immediately devote himself to the finishing of these blades when he arrived. How could he have thought that Yi Chunhua would come to visit him first. This is a person who knows etiquette and gratitude. think.

Yi Chunhua really showed gratitude, "Mr. Tang, our first batch of parts has arrived. These are the fan blades of the drone engine. There are dozens of pieces in total, because you have a complete set of detailed design technical information and process technology." According to the data, the production and trial production of the drone is progressing very smoothly, and many parts have been processed, and some have even reached the finishing process.”

"Inspired by the UAV engine design data, our self-developed new aero-engine faced a series of technical problems, but all of them have been solved. Thank you very much."

Tang Fei smiled happily: "Boss Yi is too polite, we just did some insignificant things. I am relieved to hear that the trial production of the drone engine is going so smoothly. I want to thank you for your support for this drone. contribution."

Chunhua hurriedly said: "Where, where, we don't dare to act, this time we have taken advantage of the trial-produced drone engine, such detailed and high-tech design information, even if you spend money, you can't buy it." , and you provided us with the 336 factory for free, I am really grateful."

After Yi Chunhua thanked him, he also gave Tang Fei a detailed introduction to the progress of the trial production of the drone engine, such as which key and important parts went into which process?Such as which parts have been fed and produced blanks, such as which parts have been undergoing strength and fatigue tests, and so on.

After listening to Yi Chunhua's report, Tang Fei was completely at ease, and thought in his heart, according to the current progress, it will not take two years for the first engine to be trial-produced in the 336 factory, maybe in the first half of next year. No later than the second half of next year, the first engine will be submitted by 336 Factory to Jiuzhou UAV Company.

The production and manufacturing of the UAV body is relatively smooth at present, because there is a complete set of detailed design technical information and process technical information.Moreover, this domestic aircraft factory has a large scale, strong strength, and good hardware facilities. They should be able to submit relevant parts of the airframe to Jiuzhou UAV Company in the second half of next year.

As far as Jiuzhou Industrial Group itself is concerned, the trial production of related parts of the drone is relatively smooth. Some purchased parts have even been purchased from outside and placed in the warehouse of Jiuzhou Industrial Group, waiting for future assembly.

After listening to Yi Chunhua's report, Tang Fei was very interested, raised his hand to check the time, and invited: "Come on, let's go to dinner now, and we will start processing the fan blades in the afternoon."

This batch of fan blades arrived at Jiuzhou Heavy Industry in the morning. After arriving, under Zhu Yifeng's arrangement, some preparatory work for processing has already begun. The first piece can be processed in the afternoon. Tang Fei wants to take a look.This is the fan blade of the drone engine. Tang Fei would like to know how the processing quality is.

Seeing that Tang Fei wanted to invite him to dinner, Yi Chunhua hurriedly said, "Mr. Tang, let me treat you, let me treat you."

"No, no." Tang Fei waved his hand and said, "It's just a meal. You are a guest from afar, so let me treat you. If I go to Factory 336 next time, I won't be polite, so you will treat me."

Yi Chunhua said: "Mr. Tang is welcome to go to Factory 336 to have a look at the progress of the trial production of the engine. We will treat you grandly with the highest courtesy."

Tang Fei smiled and said: "Then you are too polite, let's go eat first."

There is a super five-star hotel in the International Finance Building. The environment and food there are very good. Tang Fei often eats there, and it is the same this time.

A group of you, Wang Hailong and Yang Chenghua, etc. also came together, asked for a private room, and had lunch at the hotel.After dinner, Tang Fei and Yi Chunhua went to Jiuzhou Heavy Industry.

Under the leadership of Zhu Yifeng, everyone entered the production site.One of them, the smaller precision five-axis machine, is ready to start finishing the first fan blade at any time.

It can be seen that Yi Chunhua and the others are still very cautious. Along with this batch of fan blades, there are two craft test pieces.The so-called process test piece is exactly the same shape and size as the formal part, but the material is different. It is generally used as a process piece before the first piece of processing, so as to verify the processing procedure and whether there is any problem in the processing process.

Since Yi Chunhua suggested processing the craft test pieces first, Tang Fei and Zhu Yifeng followed his advice completely.At present, it is a process test piece on this precision five-axis.

Everyone walked to this precision five-axis machine, and Zhu Yifeng introduced: "Boss, all preparations are ready, and now we can start processing."

Tang Fei also looked at it seriously, and felt that there was nothing wrong, so he waved his hand and said, "Then give it a try first."

The machine tool is operated by an experienced worker master.It can be seen that Zhu Yifeng also attaches great importance to this processing, and selected elite soldiers. He specially selected the one with the best technical level among the three skilled workers who operate this precision five-axis machine.

Seeing so many people around, the worker master even came over in person. He didn't dare to be careless. He had already finished the knife setting, but before the processing started, he carefully re-set the knife, and only started the processing button after confirming that it was correct. .

Processing begins!
The alloy milling cutter on the cutter head rotated rapidly, making a soft buzzing sound, and the milky white coolant sprayed out, splashing a lot of water, and the situation inside could be clearly seen through the precision five-axis safety door glass.

The precision five-axis spindle moves quickly and reaches the designated position. The high-speed rotating alloy milling cutter begins to cut the parts. A large number of small metal chips are quickly cut off, just like cutting tofu, showing the ultra-high hardness of this alloy milling cutter. It also means it is very sharp.

The "blade" is so fine and silent. In everyone's eyes, the alloy milling cutter is quickly milling this process test piece on the workbench. Its material is also titanium alloy, and its processing performance is relatively close to that of the official part.

The alloy milling cutter mills the blade surface round by round.Everyone can see that the blades after milling are very smooth and beautiful, and everyone's eyes are on the blades being processed.

The time passed by 1 minute and 1 minute, and the machining stopped after about half an hour. Under the NC program, the spindle began to retract and the coolant stopped spraying.

The master worker opened the safety door of the precision five-axis, first looked at the process test piece, then took out the measuring tool, and after measuring several main dimensions, he felt that there was no problem, so he took the process test piece from the workbench Remove it.

Zhu Yifeng personally took the craft test piece from the workers, and said to Tang Fei, "Boss, you see that the processing is not bad."

Tang Fei held it in his hand, looked at it with great interest, and said in his heart, the processing is indeed very good, the surface is bright, and it looks very beautiful, especially its complex leaf shape has a unique beauty.

After the size measurement and the blade profile scanning, it fully meets the design requirements, which means that there is no problem with the NC program and the machining process, and the formal parts can be processed.

Tang Fei said personally: "Old Zhu, start processing the official parts!"

Not only Tang Fei, everyone wants to see what the first official part looks like when it is processed?Is it equally exquisite and beautiful?
.........

Today is the third update, and the first update is here!

(End of this chapter)