Intelligent Industrial Empire

"A few of them must come!" Upon hearing Yun Fei's words, Liu Cheng replied without thinking.

This is the equipment, not to mention the processing of large castings for CNC milling or machining centers, even for processing the main body of the basic large castings of ordinary milling windows, the efficiency is much better than the processing by the company's technicians.

The improvement of processing efficiency will inevitably reduce the production cost of machine tools.

The lower the cost, the better the quality of the equipment, in a market-oriented environment, it can have a stronger horizontal competitiveness.

"What is the accuracy of the CNC gantry milling you designed for all kinds of large castings? What is the annual production capacity?" Since you want to buy, you must first understand the performance of these products. After all, this is related to a lot of things. Stuff.

At this time when their products are not selling very well, if you buy back a bunch of equipment that can only be placed there as a display, this is definitely not possible.

Although the state pays, it can't be too extravagant, right?

"Our gantry milling is within a three-meter working range, the designed processing flatness is within 0.05mm, the straightness is 0.07mm, and the repeat positioning accuracy is 0.05mm. However, according to the current processing level and technical conditions, the final product is delivered. The flatness can only reach 0.08mm, the straightness is 0.1mm, and the repositioning accuracy is 0.06 to 0.07mm..." Yunfei is a bit embarrassed. Some foreign companies that produce heavy precision equipment have produced such medium-sized gantry mills with actual machining accuracy. They are all higher than their design accuracy.

Unlike small equipment, heavy equipment can achieve high accuracy.

The accuracy indexes and standards of small equipment are generally measured in units of 0.01mm.

The precision index and technical standard of heavy equipment are based on the order of 0.1mm.

The type of CNC gantry milling currently designed and developed by Jiuyi Heavy Industry, if it can achieve the accuracy he said, can already be included in the category of precision equipment.

Of course, these parameters mentioned by Yunfei are all theoretical design performance and performance that can be achieved by theory. In the end, the accuracy that can be achieved by the factory equipment will definitely be different from the data mentioned by Yunfei.

Of course, manufacturers who use these devices will be mentally prepared.

Even the best foreign manufacturers cannot achieve the accuracy of theoretical design 100%.

The processing accuracy of the equipment involves many aspects, such as the properties of the material itself, the accuracy range of the processing, the realization of the assembly technology, the performance of the control system, and even the temperature changes around the equipment, the flatness of the ground, and so on.

It is really because of this that CNC machine windows can measure the industrial level of a country.

"Can such high precision be achieved?" Zhu Feng, who has been immersed in the mechanical technology industry for most of his life, expressed his disbelief.

He believes that Yun Fei's words contain a lot of water.

"Of course, this is only the data we infer based on the experience of producing other equipment. What kind of accuracy can we finally achieve? We must wait for our research work to be completed, and continue to improve, and strive to achieve our design within five years. Precision requirements..." Sun Lin was very dissatisfied with Zhu Feng's suspicion.

These data are inferred from the best engineering and technical personnel of the entire Northern Heavy Industry and Jiuyi Heavy Industry using the most mature technologies of the two parties, and after half a year of design, based on the experimental data on the spot!

Capital One Machine could not produce it by itself, and even suspected that others could not produce it!

"Even if it is slightly worse than the actual accuracy, this accuracy range can meet the finishing requirements of most domestic products. This accuracy is almost higher than the accuracy of the parts processed by the best ordinary precision equipment we use now... …" As the earliest ally of Jiuyi Heavy Industry, Haer Heavy Industry was the first to place an order for 20 units.

These CNC gantry mills are used to perform the final semi-finishing of the products manufactured by Jiuyi Heavy Industry. It is not only efficient and accurate, but also can control the processing dimensions of these important parts to be consistent. The processing procedure has many advantages.

"Yes, this is much higher than the production efficiency of the ordinary equipment we are using now, especially the ability to integrate many processes together, just the preparation time for various installations, which saves too much. ......" A thin and tall old man with glasses listened to Pan Zhigao's words, looked at the CNC gantry milling machine running in automatic dry run in front of him, and nodded.

For all kinds of large and heavy parts, it will take a lot of time to clamp and align them before processing.

Before large-scale and heavy-duty CNC machining equipment existed, the various processes were scattered. Each large-scale or heavy-duty component would go through the processes of planing, milling, boring, tongs, etc. from rough to finished product. If there is a special design part, it must be Specially formulated electrical machining process.

Each process needs to be aligned and clamped once, which makes the actual processing time of these large parts even less preparation time.

"Of course, so that all the processes that need to be processed on a surface are concentrated in one process, how can this improve the accuracy and efficiency? Our Capital No. 2 machine only has a quota of six units. Yun, you don’t think the order is too small and you won’t accept it. The Capital No. 2 Machinery is also a company that produces various machinery and equipment, but they are not as important as the Capital No. 1 Machinery.

Even though most of the important state-owned enterprises' technical equipment was upgraded and upgraded, the capital and heavy equipment amounted to more than 30, and they only had six!

"How come, Mr. Zhao, even if we accept your company's order, at least the delivery will not start in the second half of next year. You only have a small quota. Don't you keep the high-precision equipment imported from abroad?" Yunfei still sympathizes with Capital No. 2 Machine.

Although they produce most of the ordinary equipment, the technical level is really not comparable to the Capital One.Otherwise, Yun Fei would find them to cooperate directly.

Zhao Mingzhang of the Capital No. 2 Machinery is still a very capable factory manager. He was just in his early forties and was ordered to become the factory manager of the Capital No. 2 Machinery in just two years. In just two years, he only had more than 2,000 people and was on the verge of bankruptcy. The machine factory in China has turned losses into profits. Their newly developed tool milling and small turret milling have poor rigidity, but the precision machining of softer materials such as aluminum parts and steel parts is more accurate than ordinary window milling. Much higher.

Well received by market users.

If this is not the case, it is estimated that this time the country's centralized procurement will not be the case of their capital's second machine.

"For those foreign equipment, except for the higher prices, the accuracy is not good. In our country, we also buy the second mobile phones scrapped by others and the garbage machine tools produced by others. Why should we take that foreign style?" Zhao Mingzhang said, suddenly The faces of the leaders of the various ministries and commissions of the state who were interested in watching the experimental CNC gantry milling machine of Jiuyi Heavy Industry Co., Ltd. automatically run into the gap between the guide rail and the gantry column under the control of the program suddenly became difficult to look.

These leaders have always advocated the purchase of imported equipment from abroad.

In their eyes, imported CNC equipment is the real high-precision CNC equipment.

"Let’s go and see the site where we are studying the four-axis machining center..." The CNC gantry milling here is almost the same. If you want to place an order, these big guys are not determined for a while, anyway, they not only want internal Discuss, and finally have to go through the above approval to determine the quantity to buy.

After all, few people here are willing to smash all the purchase quotas of large-scale equipment on Jiuyi Heavy Industry like the Capital No. 2 Machine.

And in the end, even if Yun Fei does not work, Yang Qing will lobby his direct leaders for the purchase of these heavy equipment. Only the more gantry-type machining centers of Jiuyi Heavy Industry are sold, they are responsible for most of them. Cooperative manufacturers of mechanical parts can get greater profits.

He was more concerned about this matter than anyone else.

Of course, all the corporate leaders who have received the national heavy equipment purchase order quota come to Jiuyi Heavy Industry for field inspections, which is also his function of up and down operations.

It has nothing to do with Yunfei of Jiuyi Heavy Industry.

Yunfei just invited the bigwigs from various ministries and commissions to visit the factory. Unexpectedly, the trip will finally take place. There will be new changes on the above. In order to expand the independent management rights of the state-owned units under the Ministry of Industry and the Ministry of Machinery, the purchasing country is Guidance and group procurement are, in principle, independently selected by each enterprise, and the leaders of the national ministries and commissions are only responsible for collective price negotiation.

"Here is the four-axis machining center that we have developed to imitate the German EP6 that can perform spindle vertical and horizontal conversion. We use most of the German design ideas. Most of the key technologies in it cannot be imitated at all. You have to study it yourself..." The research area of ​​the four-axis machining center is strictly speaking, this is the first time that it is open to visiting groups.

This project cost more than half of the research and development funds invested by Jiuyi Heavy Industry on CNC machine tools.

In the earliest sense, it should be that Jiuyi Heavy Industry has not yet started to build a factory. Yunfei proposed to install a simple rotary table driven by a PMC control module on the three-axis machining center to form a simple four-axis start like the fourth axis. , It has been more than four years, but it has not made much breakthrough.

Four-axis four-linkage is the factor that has always limited this project.

In this regard, Yun Fei has nothing to do.

Although he has seen many four-axis home centers, and there are also German prototypes for them to disassemble, but some things are not designed according to other people's products and then assembled.

"This project has taken four years from its establishment at the end of September 1 to now. It has cost more than 100 million yuan. However, due to various reasons, it has not made much breakthrough progress. The most critical technology is how to realize four-axis linkage processing. The four-axis three-linkage has now been solved, but the four-axis four-linkage is still not ideal..." Sun Lin introduced the progress of the nine-one four-axis machining center to the disappointed people.

If it weren’t for Yunfei to build the most high-end four-axis four-linkage machine tool capable of vertical and horizontal conversion, with the technical reserve of simple four-axis, the four-axis machining center produced by Jiuyi Heavy Industry should already be ready for mass production. Up.

Although it is only the lowest level four-axis three-linkage machine tool that is not much more advanced than those simple four-axis, but because the fourth axis is integrated with the two XY moving axes, the technology in the middle can be regarded as the first-class domestic .

"Mr. Sun, when will your company's four-axis mass production be possible?" For four-axis machining centers, it is particularly important for companies that manufacture precision windows.

"According to the current progress, the research will take about ten to fifteen months, and then the accuracy level will be improved to reach the German RP6 or higher. It is estimated that it will take at least three years, and The output of such advanced equipment will not be too high..." Sun Lin said helplessly.

For the four-axis project team with only one prototype for disassembly research, this thing is more than two or three times more difficult than the technology of a three-axis machining center!

"Will your company accept orders now? Our Capital Second Machine wants to place ten four-axis orders now, no matter what your price is!" Zhao Mingzhang said categorically.

When other people heard Zhao Mingzhang say this, they couldn’t help but express their views, especially companies like Capital No. 1 Machinery and Northeast No. 1 Machinery that want to obtain the technology they desperately need from Jiuyi Heavy Industries. They have expressed to Yunfei that they are urgent. Want to order a four-axis machining center from Jiuyi Heavy Industry...

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This on-site visit is actually an on-site ordering fair. Not only the big bosses from all parts of the central government, but also some factory managers and engineers who can be the masters of various heavy machinery equipment companies are here.

In terms of the price of CNC gantry milling, Yunfei did not ask for a random price like those heavy CNC cars, and only offered a price of 3.8 million yuan each!

For this item alone, an intention order for 132 units was received at the scene.

This made Yang Qing, the head of the Northern Heavy Factory on one side, very excited.

Although the profit of this CNC gantry milling company is big, Northern Heavy Industry, which produces mechanical parts, has also been allocated a contract of more than 200 million!

This is the largest order that NHI has received so far under the market economy system.

And all of this was brought to him by Jiuyi Heavy Industry, a private enterprise that he had never looked down upon.

Jiuyi Heavy Industry has not successfully developed an imitation of the German Dirk EP6 four-axis machining center. In the absence of physical objects and reliable technical means, it has also received orders for more than forty units, but the delivery date is all Went after three years!