(I'm really sorry, I went out to do something today, and I came back too late, and I will try to do more gourd today.) ）

"Slower speed, slower rotation, don't rush!" In the 611 processing experimental workshop, the five-axis machining center from Japan is rapidly processing the welded impeller, especially the spindle, which is constantly undulating and the amount of tools is very small.

When Liu Yijiu saw this, he couldn't help but hurriedly asked the technician operating the machining center to reduce the cutting speed and the speed of the spindle.

Superalloys are inherently hard.

"See, isn't that the effect coming out? The surface processed is much better than the previous effect......" Seeing that after reducing the cutting speed, the processed surface was much smoother than the original, Liu Yijiu said with a smug smile.

But the technician next to him frowned, "Leader, although it is said that the reduction of the speed and speed of the tool will make the machining surface smoother, but the wear of the tool is more than twice the speed just now." This will be a lot of time spent on tool changes, and at the same time, it will also cause inconsistent machining accuracy, prolong machining time, and reduce machining efficiency......"

For this technician in his forties who dared to point out his problems directly, Liu Yijiu couldn't do anything except be embarrassed.

The CNC machine tool is made under his guidance, but it does not mean that he understands the impact of various parameter changes on processing quality and processing efficiency more than professional technicians.

Especially when people explain themselves very seriously.

If it is replaced by another leader, it is estimated that the other party will be very rude to ask the other party to do what he does.

Liu Yijiu didn't do that. He nodded very sincerely, "That's true, let's do as you want." In terms of processing. Exposed to these every day, more professional than us. After finishing speaking, he said to Huang Qiaosong and the others who followed behind, "Professional things have to be handed over to professional people to do." Because they know more than we do! It's not that if you have a high level, you can know more than them, and you have a specialization in the arts. This is not for joke. ”

Huang Qiaosong and the others nodded sincerely on their faces, but they didn't think so in their hearts.

There is only a leader like Liu Yijiu, who is idle and painful. There is nothing to stare at the production process all day, these things are not things that senior leaders should be in charge of, after the design is made, there is a special process engineer to take care of these. In particular, the skilled workers in the production line carry out the experiment. discussions, and they will not be allowed to meddle at all.

Otherwise, no leader will have much time to do serious things all day.

How did he know that Liu Yijiu was just testing their reaction?

However, Liu Yijiu had previously demanded that the turbofan-8 engine must be produced according to his process, which made them a little preconceived.

In the past, Liu Yijiu did not point fingers at the most basic things, so Huang Qiaosong and others felt that Liu Yijiu wanted to interfere, but in the end it was because of the technician's opposition. persuaded Liu Yijiu with reasons, otherwise the young Director Liu would interfere again.

The parameters of the machining center have been adjusted. Even so, the productivity is not as high as expected.

In particular, high-temperature alloys and titanium alloys are special metals that are difficult to machine, and the processing technology is a difficult problem in the whole world.

And now there are no more powerful special knives, which makes it a bit difficult.

In order to ensure the machining accuracy, at the last time, even the machine tool will be allowed to run dry on the part that has been processed, so as to ensure the consistency of the entire machining accuracy.

"Leader, if we can resolutely solve the problem of tools, the processing efficiency can be at least doubled. On the engine, there are basically no ordinary parts, the processing of these parts is difficult from the beginning, to ensure that the machining accuracy is consistent, it is necessary to use more wear-resistant tools, cubic boron carbide, diamond, the hardest tools currently used, processing such difficult materials, especially the final finishing when the cutting thickness is less than 0.02 mm, which makes the tool wear faster...... "When Liu Yijiu feels that the processing time is too long, if mass production is carried out, This has a greater impact on the overall yield.

In particular, in the future, it is necessary to use the existing technology to develop gas turbines, whether it is a thermal power plant or a high-power engine of a warship, which requires a more powerful starting turbine, which will make the contradiction between production demand and production capacity more prominent.

Technicians on the front line put forward their needs.

"Aren't tools getting better all the time? You comrade, too, to develop a new tool material, it's not so easy! Otherwise, the materials would not be so difficult to process. Huang Qiaosong was very dissatisfied with such a request.

The problem of knives is supplied by the material unit in the second district of the Ninth Hospital.

"There should be a tooling workshop here, right? The cutting tool workshop should also be configured. In particular, there are many times when we need special tools, and there are not enough people in the second area in this area, and everyone is taking on too much work...... "The engine factory manufactures almost all the parts that require the highest precision in the country.

There are also many special special-shaped parts, even in the experimental workshop, and in the future engine production, they will be put on this side.

In the future, the power plant will be expanded with this workshop as the core.

Liu Yijiu directly suggested the establishment of a cutting tool workshop.

Several measuring and cutting tool factories around Rongcheng are specially used to support various state-owned processing units, and their technology is not as good as the material units of the Ninth Academy.

In particular, some high-precision testing equipment can process tool materials that are more difficult to process, whether it is Rongcheng Tool and Cutting Tool Factory or self-cementing alloy factory, there is no way to provide it.

If they can provide it, it will also make Liu Yijiu's material unit much easier.

"Director Liu, we have long had this idea to set up a cutting tool research center, but we don't have too good technicians." Huang Qiaosong said with a frown.

Even Zhao Liangbi is very interested in establishing a cutting tool research center.

Factory 132 has a workshop dedicated to making molds.

Now this workshop does not have much business because of their own units, while the business of the Ninth Academy has their own units, and there are only some orders for them that are not technically difficult and require low precision.

Such an order does not require too many man-hours and too high technical force, and it is not a good thing for the mold workshop.

"This can be communicated with Rongcheng Tool Factory, Cemented Carbide Factory and other units, so that they can borrow people, research it, large-scale production, can be given to them. In addition, there is not a special tool and mold workshop in the space base, and our Ninth Academy will mobilize some capable forces to get this matter done. "Liu Yijiu is not trying to expand his business.

Moreover, production, they themselves are not of much interest.

"Director Liu, why don't you just let Factory 754 engage in such research and production? Personnel, they managed to get ......," Huang Qiaosong proposed.

Dealing with other units is not as easy as dealing with the internal units of the Ninth Academy.

Moreover, the system is different, and the degree of attention to the task of production in the factory is not the same.

The units within the Ninth Academy, if they issue requirements, will not give time at all, and the units below will complete the task as quickly as possible, but other units are different, they need to be approved heavily, and then they have to go through the management of many people or something, which is much less efficient.

"Factory 754 doesn't have much scientific research ability!" Liu Yijiu said with a frown.

For the past few years, due to the lack of personnel, the scientific research strength of the Ninth Academy is all concentrated in the headquarters, and for its various civilian units, it has not been given too much technical research and development capabilities, not because they don't want to give, but in the case that the talents cultivated by the country are not enough for them to use, they can only give priority to the military industry.

Civilian technology, all of which come from the military industry, is the only product that is different.

Seven or eight years have passed since the resumption of the college entrance examination, and the country has trained millions of college students.

Zheng Hao mentioned it many times, asking Liu Yijiu to return his scientific research capabilities to his civilian production units, and the Management Committee of the Ninth Academy also studied this matter.

However, because there are too few people who can preside over the project, giving these units R&D capabilities will not only not produce any results, but will cause a lot of consumption of their resources.

"There is no 754 factory, but they can take the lead through the 754 factory, and they will negotiate with Rongcheng Tool Factory and Cemented Carbide Factory......"

"You're thinking about coordination, right?" Liu Yijiu asked a few people with a smile. When I think about it, I think there is nothing wrong with this. "If you want to do a good job, you must first sharpen your tools. We have developed advanced materials, but we also have to have advanced processing methods, otherwise, it will be like the difficulties we are encountering. ”

Advanced tools are very necessary for the improvement of manufacturing capacity.

If you always count on the market to buy after it appears, you can only wait for everything.

Waiting, it's not the style of the Ninth Academy.

Moreover, this also has an advantage, that is, high-temperature alloys, titanium alloys and other materials are researched by the Ninth Academy itself, they have a lot of various parameters, and they have a better understanding of the material characteristics, and the research tools are naturally better than other factories with poor technical capabilities.

"If you can't keep up with the development of the times, technical products can't be updated quickly, and you always eat the old book, so there's no need to think about the benefits of their units......" Liu Yijiu sighed and said, and then let Huang Qiaosong and others do it.

He is preparing to replicate in China such a plant as UMPO, a subsidiary of the Russian United Engine Plant, specializing in the development, production, maintenance and repair of turbofan engines, the production and repair of helicopter components, as well as various power equipment......

(To be continued.) )