Hearing the dialogue between the leader of the expert group and Lao Dong, other experts and the chiefs of the navy also carefully observed it. Sure enough, as Dong Lao said, after a large-scale vibration test on a 10-ton vibration test bench, the screen There will be several pipelines flickering constantly on the three-dimensional picture like the planing drawing of an airplane.

Several workers used different methods to re-arrange or reinforce according to the brightness and frequency of the flicker, and immediately on the screen, several dynamic simulations made by the previous 10-ton vibration test bench were performed to verify the improved effect.

If this is the case, the key is that the front fuselage of the fc-23 carrier-based heavy fighter on the 10-ton vibration test bench will also be under the operation of the technicians at this time, open the skin of the equipment cabin, according to the screen The feedback information and the improvement plan made modify the internal wiring layout.

After everything is over, it is restored to its original state, and the 10-ton vibration test bench is restarted to conduct a new round of vibration test.

In this way, the on-board electronic equipment, instrumentation, wiring, oxygen supply system, and fly-by-wire control system in the equipment compartment of the front fuselage of the fc-23 ship-borne heavy-duty fighter jet quickly move from immature to green at a speed visible to the naked eye. True maturity...

Finally, a certain commander of the navy couldn't help it. He pointed to the test bed and the screen and asked Zhuang Jianye: "Xiaozhuang...this is..."

"This is the 3D design and manufacturing technology based on model definition and online associated design technology developed by our China Ascendas based on the jsnb-4 series of aviation and aerospace special design systems. The former is the manufacturing end that combines the design end cad with processing, assembly, measurement, and inspection. Cam is highly integrated.

The latter is a universal design platform based on the Internet and modern communication technology. The biggest feature is that all aspects of aircraft design are included in the same platform. When a design data is changed, the associated nodes, pipelines, The control plane data is automatically updated synchronously..."

Zhuang Jianye talked about passion, but all the experts and the heads of the troops present were full of question marks, completely embarrassed.

There is no way, whether it is 3D design and manufacturing technology based on model definition or online related design technology, they are somewhat beyond the cognition of these people, so that these senior industry insiders are just like listening to the sky, and they can't even think about it.

The most important thing to make 13 out of the level is not how good you are, but the audience must be able to reach out and listen to the thunderous ducks who are like scumbags. Even if they are really good, no one will think that they are good.

As the king of the aviation industry and the king of the 13th world, Zhuang Jianye knows this well. When he saw the scene, he showed a tendency to learn collectively. Zhuang Jianye's conversation changed and he began to transition from pure academic language to easy-to-understand popular rhetoric: " Presumably all the leaders have seen the two-dimensional design drawings of the vast number of aircraft models? When I first started working, some of them had been in the crafts department for a month of craft proofreading. To be honest, I almost didn't look blindly in that month. I want to blow my head..."

As soon as the conversation changed, Zhuang Jianye’s words immediately resonated with everyone present. They are all experienced industry insiders. Many people started from the bottom when they were young. Those vast two-dimensional engineering drawings and parts schedules are definitely fascinating. The existence of 憷 not only makes the drawing of designers complicated and cumbersome, but also organizes the process and tooling departments to review and proofread the drawings and materials as soon as they receive the incoming drawings and materials.

One is to look for possible flaws from the designer, the other is to mark the design that does not conform to the actual production and redesign. The last and most important thing is to use the factory workers for the areas that are not clearly expressed and incomplete in the design. Be able to understand the expressions to be presented.

Because of this, every time a new model is launched, the craftsmanship in the manufacturing plant will be furious. Not only do the whole plant catch people everywhere, seconded to carry out the proofreading of drawings and materials, but also repeatedly arguing with the design unit and the workshop. Form a tripartite balanced consensus.

It’s just that it often takes a long process before that. It’s very efficient to do it in one year. It usually takes three to four years to land, and it takes five or six years to make a difference.

The reason for this is no way. Who makes the aircraft model involve too much and too complicated? Take the aircraft assembly outline, which includes the management manual, the fact sheet, the sketches and the parts kit.

Among them, it is subdivided into assembly name number, manufacturing index, engineering change application number, issuance number, sorting control, version control, customer control, serial number, brief work description, operation content requirements, product drawings, process standards, and inspection requirements And so on more than 40 process information, production information, quality information and process information.

And this is just the manufacturing process of aircraft assembly. You have to know that as small as a rivet, as large as a wing, there are more than ten million things involved. To put it bluntly, pile up these paper specifications and engineering drawings. Being together can really crush people.

However, it is cumbersome, troublesome, and inefficient. As long as you can produce high-quality products, everything is worth the effort. The key to the problem is that the quality is also unsatisfactory.

Because the workers must carefully interpret the two-dimensional engineering drawings and understand the assembly instructions word by word during the construction on the site, the scene often becomes a large-scale picture-viewing speech or extended reading comprehension test due to the unclear drawings or language.

Not to mention the inefficiency. In the end, under the insistence of some masters, UU Reading www.uukanshu.com slipped into the abyss of empiricism uncontrollably, so that many factories showed how the masters did it, and the students below How to do it, anyway, the drawings and instructions can’t be understood. How can the masters’ experience come so crisply and neatly, so frequent quality problems arise at the historic moment.

This problem occurred in the Yun-8 transport aircraft produced by Northwest Airlines in the past few years. There were 6 rivets in a structure of the cabin door of the Yun-8, which was missed by the aircraft designer when the drawing was changed. The craftsman also reviewed it. I didn’t find out that the on-site workers’ assembly and full-screen experience simply couldn’t bear the instructions and drawings. As a result, some workstations were installed as required, some were installed with 5, some were installed with 4, and some were not even installed at all. .

This led to serious quality problems in this batch of transport 8 produced by Northwest Airlines and was returned by the Air Force as a whole.

A similar situation, let alone the domestic aviation industry, is an unavoidable problem in the world. After all, with such interlocking manufacturing links, as long as there is a fault in one place, it is a disaster for the whole situation, and I think so. Regardless of the glamorous appearance of the people in the aviation industry, the demeanor of each senior intellectual, in fact, the moment a pencil is pointed at the drawing is harder than the tmd moving bricks!

And the three-dimensional design and manufacturing technology based on model definition and online related design technology that Zhuang Jianye said is nothing else in general. It is to completely eliminate the dependence on paper documents and drawings in the aviation manufacturing field, and use an aviation manufacturing revolution to completely replace People in the aviation industry are liberated from hardship!

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