One hundred and ninety-three. The difficulty of R&D
In the early stage of research and development, it is always easier to produce results, and a large number of basic projects have been overcome one by one, such as photoelectric probes, synchronous motors, servo motors, etc., but with the deepening of research and development, the difficulty increases, the progress of research and development has naturally slowed down, and various problems and knots have been exposed. Pen "Fun" Pavilion www.biquge.info
The unqualified materials, the conflict of design concepts, and the confusion of ideas have appeared in front of Li Rujin and the R&D personnel one after another, and Li Rujin, as the chief dispatcher of the R&D work, has long been prepared for this situation. Constantly deploying manpower, concentrating scientific research forces, and launching scientific and technological breakthroughs against one obstacle after another.
Maintain the progress of the overall research, neither let the project be too advanced, nor let the project hold back the overall research and development.
Time is constantly lost in the research and development process, and the summer of the Dawen Empire has come to an end.
When the first fallen leaves of autumn fall, autumn has arrived unconsciously, and the entire R&D project of linkage machine tool has been carried out for two months of continuous and uninterrupted R&D work.
The efforts of these two months are not in vain, and the entire R&D process has passed halfway, but Li Rujin knows very well that the efforts of these two months are only to lay a solid foundation for the subsequent R&D work.
The research and development of linkage machine tool is a system, the workload is extremely huge, and the research and development cycle is also long.
The results of research and development are fruitful, although some technologies are not yet available on linkage machine tools, but it is effortless to solve the problems on the machine tools that are being used by the Dawen Empire.
For example, the problem of manufacturing the barrel of the 305 naval gun on a heavy cruiser, although the technical difficulty of the 305 caliber gun barrel has been overcome by the scientists of the Dawen Empire, the yield rate has always been a difficult problem for the scientists of the Dawen Empire.
20% of the yield rate, when the relevant staff reported this value to Li Rujin, they all felt a little blushing, it was too low, Li Rujin personally led the relevant scientific and technological personnel to the scene.
The 305 naval gun is 50 times the diameter, that is, the length of the barrel is a little more than 15 meters, and the outer diameter of the barrel is 500 mm, which is simply a 305 mm hole drilled in a steel column 15 meters long and 500 mm in diameter.
If you just drill a hole, the difficulty is not too great, the key is the barrel, the tolerance of the front and rear inner walls can not exceed 3 mm, this difficulty will go up, and it is up to an extremely high height.
Drilling holes in the 15-meter-long cannon barrel steel, and the tolerance cannot exceed 3 mm, this difficulty can be imagined, and the Dawen Empire spent more than billions of dollars in order to overcome this problem.
The problem has been overcome, but this yield cannot go up, and once again it troubles the scientists of the Dawen Empire, the cannon tube steel itself is not easy to manufacture, the cost is high, and there are too many scraps, and the Dawen Empire can't afford it!
After Li Rujin and his working team arrived at the scene, they first learned about the production process of the entire gun barrel, which was similar to that in the previous life, which was to open a small hole first, then gradually expand, and finally reach the designed size.
There is no problem in the front, that is, the last few processes, this tolerance value is not down, in fact, the reason has been found, one is that when the drill bit rotates at high speed, under the action of centrifugal force, there will always be some shaking. It is normal to know that when a drill bit is several meters long, there is a slight error of a few millimeters.
In addition, when cutting materials, thermal expansion and cold contraction, this tolerance is exceeded, and as soon as it exceeds the tolerance range, the barrel will be costed. Occasionally, there are passes, and this value is also on the edge of qualification, around 2.8 and 2.9.
This problem has also been encountered in the research and development of linkage machine tools, and the solution is also very simple, change the rotary cutter head to a fixed cutter head, rotate the gun barrel itself, and change from a single cutter head to a double cutter head, and the two ends go hand in hand at the same time, and drill holes in the gun tube steel itself together.
The plan came out, the new machine tool was also designed, and a large number of new technologies were also applied to this machine tool, new motor technology, new cutter head technology, new material technology, these technologies are all breakthroughs in the research and development of linkage machine tools.
Now it is up to us to see the application of these new technologies in practice, but building a large machine tool is not something that can be completed in ten days and a half months, and it is not a year and a half, so don't even think about it.
Li Rujin and the manufacturer agreed, and when the machine tool was built, Li Rujin and his technical team came over. Now they are still returning to the imperial capital to continue the research and development of machine tools.
The theoretical framework of the machine tool has been made before the research and development, but the distance from theory to reality is too large, and now the research and development project is caught in the problem of realistic architecture assembly.
In addition to this dilemma, there is also an extremely important problem of the assembly of machine language, which is the core program that controls the operation of the machine tool. This program is the soul of the machine, without which the machine is an expensive toy. A toy that has cost a lot of manpower, material and financial resources.
Machine language is a completely unfamiliar field for the scientists of the Dawen Empire, no one has ever been involved, when Li Rujin first proposed it, the scientific and technological personnel present were all blinded, the machine still has language, who are they going to chat with?
Through Li Rujin's explanation, it was understood that it was originally a series of instructions, through which the machine tool was operated. The instructions may be easy to compile, but the huge database behind the instructions has made the scientists of the Dawen Empire suffer.
The transition between 0 and 1 seems simple, but when it is extended to 8 or 16 bits, it simply makes the scientists of the Dawen Empire miserable, and the call of functions makes the scientists of the Dawen Empire feel that programming is even more difficult than having children.
After all, when you give birth, you already have a child in your belly, but you can program it from scratch, even if you have a reference! Unfortunately, no, everything started from scratch.
What makes Li Rujin the most troublesome is that the machine language was first compiled by foreigners, and now it has to be compiled with Chinese characters, and the difficulty has increased exponentially. In the previous life, there were only programs or programming tools that supported Chinese characters.
In this world, Li Rujin wants to develop a set of programming tools directly with Chinese characters, whether this is Li Rujin's delusion or the hope of realization in this world, it is impossible to give a conclusion for the time being.
Li Rujin arranged this topic and let the scientists in this world worry about it, if it can be compiled, it would be good, but it really can't be done, let's use the previous life.
Li Rujin once again checked the research and development progress of the machine tool, and now the most basic research and development has basically ended. Just like building a house, steel bars, cement, yellow sand, masonry have all been prepared, even the drawings and construction workers are ready, just wait for Li Rujin's words, you can start building a house