Super military empire

(Greatly increased 4/20 for driden)

"Why is this five-axis so ugly? The technology is much worse than that of Japan? What use are these things made?" The leaders who came to visit were not optimistic about this ugly machining center.

"Chief, isn't the Japanese first station so sophisticated?" Yu Jianguo immediately asked these officials with a gloomy face."I didn't even see the processing, and the final result did not come out. Is it interesting to evaluate this? Have we never made progress? Or we don't need to research at all and buy directly from the Japanese? If you have money, can you buy it? "

"You comrade, what do you mean! We are just discussing the matter. Director Liu, you tell me, am I wrong?" The staff of the National Defense Science and Technology Commission frowned and asked Liu Yijiu.

The other people all have a lively look.

The current test of the five-axis machining center has attracted too many people's attention. Although it is a relatively simple five-axis machining center, it is used to process some important precision parts in the aviation industry. Everyone knows this.

Therefore, the five axis is so important.

What's more, anyone who knows it knows that the five-axis machining center is the only method to solve the processing of impellers, blades, marine propellers, heavy generator rotors, steam turbine rotors, large diesel engine crankshafts, and so on.

Although the current machining center cannot add too large parts, it is also a vertical light machining center, or woodworking machinery is better and has poor rigidity, but the machining accuracy is relatively high. This is a development of the Republic’s five-axis machining center. new start.

Therefore, Liu Yijiu pays such attention.

Not only did he pay attention to it, but even the chief military officials such as the National Defense Science, Technology and Industry Commission and the Logistics Department came to visit their five-axis machining center, which is still being tested.

Liu Yijiu knew that the leaders had realized the importance of this stuff, and he was not allowed to blackmail so many good things away.It is precisely because of the extortion of too many good things that I have to get the five-axis machining center as soon as possible. It can achieve the best accuracy of the Japanese, and even exceed the machining accuracy of the Japanese. After all, the current military industry in Japan The industry is basically blank.

"The five-axis machining center is not just a machining center, but also a high degree of integration in a series of technical fields such as computer systems, machinery manufacturing, materials, heat treatment technology, automation, etc.! The current simple five-axis machining center has It is the ultimate that our Ninth Academy can do now!" To the group of people above, Liu Yijiu introduced the situation.

The five-axis machining center provided by Japan is much better than this ugly one.

This made the people of the Commission of Science, Technology and Industry for National Defense shake their heads.

At the same time, the same goes for the people in the logistics department.

Liu Yijiu naturally knows why they look down on it. With the Japanese five-axis in front, looking at such a product, it really feels a bit rubbish.

To prevent Yu Jianguo from continuing to wrestle with these officials who don’t know how to pretend, Liu Yijiu didn’t bother to introduce them to the parameters of the five-axis. The wax-shaped block is clamped and aligned, waiting for Jia Ling's instruction to start the trial cutting process.

"Huhuhu..." After Jia Ling pressed the start button, under the control of the CNC machining program, the moving parts of the machine tool began to move quickly.

The contact between the guide rail and the moving parts, and the fast-moving friction appeared sound, which made everyone cast their eyes on the five-axis machining center that was already in operation.

"Pop!" The pneumatic workstation started, and the tools in the tool magazine quickly changed positions in a series of "pop" sounds. After a few seconds, the tool magazine stopped rotating, and the spare tool in the tool magazine perpendicular to the spindle was driven by hydraulic pressure. , Slowly rotate 90° downward, becoming parallel to the main axis.The manipulator, which was originally between the tool magazine and the spindle, moved quickly downward under the push of air pressure. After reaching the set position, it stopped for less than 0.2 seconds, and then it clicked and rotated 90°, and the card slots at both ends were just right. Grabbing the tool slot of the tool magazine and the click of the tool on the spindle, "Bang!" The air pressure station works again, the tool holder in the spindle and the tool holder of the tool magazine are both loosened, and the manipulator grasps the two tool holders again. Move down, then rotate 180° again, and move directly up quickly, and then hear a "pop", the tool change manipulator directly exchanges the positions of the two tools, then releases, and selects in the direction opposite to the tool. Quasi 90°, back to the original position.The tool holder of the tool magazine is replaced with the tool originally on the spindle, and it slowly rotates upward until it is perpendicular to the spindle, and then continues to adjust the tool number after the start. The next tool called in the program is quickly changed to change Knife position.

The tool on the spindle is the tool installed in the tool magazine.

After all the preparations were completed, the spindle moved down quickly, as if it had fallen directly from above, which made those who didn't understand very worried.

The rapidly descending spindle stopped about 15 centimeters away from the wax block and paused, "buzzing..." After moving into position, the spindle started to start at high speed.

The movement speed of the main shaft is directly slowed down here, and it moves slowly downwards. The tool is facing the center of the wax block. As the tool moves down, the track also starts to move. Wait until the tool is about to touch the wax block. At the time, the cutter was already at the edge of the wax block.

"Isn't this a five-axis machining center? It's no different from a three-axis machining center! No other parts move..."

Liu Yijiu's mouth twitched when he heard the layman's words.

There is no explanation.

The three-axis machining center and the five-axis machining center are indeed the same at the beginning.

Because of the working status of the machine tool, they have already been told why the five-axis machining center is a five-axis machining center.

The rotary table in the middle of the spindle starts to rotate directly.

"Chichichi..." The air nozzle began to spray high-pressure air outside to prevent debris from sticking to the tool.

The tool touches the wax mold, and countless debris is cut from the wax block by the high-speed rotating tool, and then blown to the edge of the worktable by the high-pressure airflow from the nozzle.

Soon, the wax block is rotated at the high speed of the spindle and the outer circle is processed under the slow rotation of the worktable.

"This is the fourth axis machining!" Yu Jianguo said coldly.

After the outer circle of the first tool holder was processed, the spindle began to move upwards and reached the tool change position. With the joint efforts of manipulators, hydraulic workstations, pneumatic workstations and other institutions, a more slender alloy milling cutter was replaced.

Moving down again, this time is different, the small spindle head on the spindle starts to rotate, forming an angle with the worktable surface.

"Impeller processing is mainly processing spiral curved surfaces. This is the fifth axis..." Yu Jianguo said with a sad expression.

Under the control of the program, the originally smooth wax block edges are processed by the high-speed rotating milling cutter and begin to form. The rotating worktable on the worktable moves back and forth slightly, so that the curved blades begin to appear.

"Actually, the horizontal five-axis machining center is the most ideal. However, there are still some technical problems that have not been resolved, so we can only choose this solution." After seeing the functions demonstrated by the domestic five-axis machining center during the test process, finally, Knowing that the machining accuracy can reach 0.02mm and the indexing accuracy can reach 0.03°, these guys naturally started to admire them.

The only thing is that the appearance is a bit too ugly, it looks too simple, and there is no sense of science fiction.

Liu Yijiu ignored them, and after sending them away, he called the entire team to a meeting.

"Heavy horizontal five-axis is what we should choose. In addition, large vertical, and large propellers..."

"So, everyone can't just satisfy this point. Our technology in the CNC machining center has a long way to go. This requires the efforts of all comrades. Our first goal now is to increase the rigidity of the machine tool. The spindle speeds of these batches obtained in Japan can reach 12,000 revolutions per minute, but they are not enough! Of course, the tool materials and heat treatment process must be improved..."

The others nodded and said yes.

"I feel that the above leaders have a very bad impression of the appearance of our equipment. Even if mass production is to be made, some design improvements are needed. We can’t think about whether the appearance is good or not because the functions meet the design requirements. At least, it looks a little high-tech! After all, most of our domestic leaders don't understand this..." Liu Yijiu asked to change some appearance designs.

There is no alternative.

Their five-axis machine is really ugly. If it weren't for a control cabinet next to it, when it wasn't processing, it would not look much different from an ordinary milling machine.

This is a five axis!

The top manufacturing equipment that only a few countries can produce.

Like many so-called leadership experts in higher-level departments, seeing this thing, there is no sense of science fiction at all, so naturally they look down a little.

Their preconceived notions make them think that these machine tools are not good, and they simply don't have the patience to listen to the detailed introduction. Leaders who can make a decision are very busy.

Therefore, Liu Yijiu needs to make these already very advanced five-axis machining centers more attractive.

"Moreover, in the future, our military will have more advanced equipment. These five-axis machining centers are sold to civilian systems. There is no appearance at all. Who would think that our machining centers are powerful?"

"Don't worry, Director Liu, we will seriously consider this matter." Yu Jianguo assured Liu Yijiu.

They have always pursued pragmatism.

However, in the face of future social competition, there will be no market if there is no appearance.The products of Hongxing Electric Factory prove this point.