Chapter 175 Remelted Layer
What he just thought about is actually very simple.
It is to find a way to get aircraft manufacturers to agree to produce some important parts of "non-important models" in China while they are focusing their main efforts elsewhere.
Main frame, landing gear, wings and even fan blades.
On the one hand, it can provide many high-end manufacturing jobs in the country. On the other hand, it can also allow more aircraft manufacturers to gain experience in manufacturing passenger aircraft parts in advance and train some skilled workers.
Shanghai, to be honest, is not a suitable place for manufacturing.
It's too expensive for every inch of land.
Although Hufei cannot move anywhere at will, once the production of domestically produced passenger aircraft increases, parts production will definitely have to be allocated to other factories under the aviation industry.
The ARJ21 and C919 on the original timeline adopted this form, with scattered production in various places, and finally completed assembly and testing in Shanghai.
In this life, the localization rate of domestically produced large aircraft will definitely be higher than in the previous life, and the number of companies and factories involved in the entire industry chain will also be greater.
Just relying on one Figure 214, which has a high probability of not having a very high output, will definitely not be able to feed so many factories.
So the earlier you prepare for this, the better.
If it can be successful, then units such as Factory 112, Factory 132, Factory 410, Factory 172, and even the cities where they are located will benefit from it.
However, Chang Haonan is not the kind of person who likes to open champagne at halftime, so on the surface he still chatted with the other party calmly.
“You know a lot about this.”
The aviation manufacturing industry and the air transportation industry can be considered to be two fields that have almost nothing to do with each other. Although Zhong Shihong is the director of the technical department of Factory 410, the things he mentioned earlier about civil aviation obviously did not come from his usual work. .
“Of course, I've loved airplanes since I was a child.”
When Zhong Shihong said this, his face was filled with memories of his childhood:
“When I was in elementary school, I watched a movie about air combat with adults.”
“Because of my poor health, I knew I would definitely not be able to be a pilot, so I always regarded this as a hobby. Later, when I got the opportunity, I applied for transfer from Factory 103, which was engaged in mechanical equipment, to Factory 410.”
A story similar to Chang Haonan's. Because he couldn't fly a plane, he chose to build one.
“But when you work in the 410 Factory, you rarely see a complete aircraft, right?”
The former asked with a smile.
“Indeed, most of the time I am immersed in the workshop, dealing with aviation engine parts.” Zhong Shihong smoothed his hair:
“But another reason why I chose to transfer here is that there are more civil aviation aircraft here in Shengjing. I have saved a little money over the years, bought a camera and often go to the airport to take pictures..."
As the two of them chatted, the plane quickly landed at Lianhai Airport.
However, transportation and communication in this era were not smooth. It was not until that afternoon that the group finally met Professor Zhou Zexuan, the director of the Analysis and Testing Center of Lianhai University of Technology, after looking in several wrong places.
“You guys had a hard time on the road.”
Professor Zhou took the two turbine blades and looked at them over and over:
“To perform metallographic inspection on the inside of these... uh, small holes, right? What magnification is required?"
“It's best to measure inside and around the hole. First use 200x and 500x magnification to look at the overall appearance. If problems are found, then look at the specific details.” “No problem, this is quick.”
Because of confidentiality issues, Zhou Zexuan did not ask students to help. Instead, he put on gloves himself, wiped the surface to be tested with alcohol, and then immersed the sample in the reagent.
While waiting for the chemical erosion, Chang Haonan asked something that he had been curious about on the road:
“Speaking of which, Professor Zhou, since foreign manufacturers prohibit you from moving the instrument, they probably want to restrict the specific use of the equipment. If you test it directly for us, won't there be any risks?”
Hearing this question, Zhou Zexuan sneered directly:
"Restrict the specific use of personal P. After the equipment is purchased, unless they send someone to watch here at all times, there is no way they can know what we have done with it."
“The reason for writing this kind of clause is, firstly, to make us feel disgusted. Secondly, and most importantly, we are worried that users will go to third-party manufacturers to buy wearing parts and perform repairs, which will cause their profits to be damaged.”
“Some parts have no technical content at all and cost only a few yuan at most. The Gringo Lion Costs thousands of dollars each. If you dare not use theirs, they will refuse to provide you with after-sales service.”
“If you can buy domestically produced equipment that you can use, who would be willing to suffer this kind of anger..."
Chang Haonan understood immediately.
"I see…"
Similar to the sanctions imposed on certain institutions and schools in China in previous lives.
For example, prohibiting you from using certain software.
Everyone knows that this will not have any real impact - the original ones are all pirated.
But just doing this gesture makes you feel sick.
To be honest, it is the high-priced accessories and services that cause greater losses.
Before his rebirth, he had also heard that many faults of imported equipment were actually not difficult to repair, but the contract required that the original factory engineers had to deal with it. The price was extremely high, and the efficiency was extremely low. Work often had to be stopped for half a minute because of trivial matters. months or even longer.
Everyone chatted about other topics, and soon the chemical erosion process was over.
As the director of the Analysis and Testing Center, Zhou Zexuan's work efficiency is unparalleled. It didn't take long to get the optical detection results.
Several black and white photos printed on paper.
Zhong Shihong was the first to come over, followed by others in the same group, and Zhou Zexuan was quickly surrounded by people.
"Um…"
The latter pondered for a moment and finally gave his own judgment:
“The material around the hole has a uniform shape, and no cracks are found. Only a very weak uneven surface can be seen under 500 times magnification, which should be left by post-processing processes such as polishing.”
Zhong Shihong next to him was obviously in a good mood after hearing this comment.
But before he could be happy for a few seconds, the next words made his heart suddenly lift:
“As for the inner wall of the small hole...the light is not very bright, but at 200 times magnification, some white strips or blocks can be seen.”
“The shape of the inner wall of the small hole that has not been chemically etched is similar to that of the small hole here. It has strong corrosion resistance..."
Zhou Zexuan put down the two pieces of paper in his hands when he said this:
"I speculate that there should be a remelted layer structure that has not been cleaned, but the specific situation, especially the thickness of the remelted layer, cannot be seen. If you are willing to pay additional testing fees, you can use a 2500x electron microscope for further testing! "
(End of this chapter)
Chapter end
Report
|
Donate
Oh o, this user has not set a donation button.
|