Chapter five hundred and ninety-six how to make a CNC machine tool
In just a few days, Liu Lang became close to the staff in the laboratory. He has an innate advantage in interpersonal communication. His "talking skills" are first-class, coupled with his "legendary",
No one would hate a cute, cute, smart and sensible child.
"Mr. Thomas, you look very energetic today. I believe your paper has been praised by Professor Clare. You must continue your efforts and strive to get a teaching position at Stanford University this year!"
"Mr. Victor, you haven't shaved for two days and you still have dark circles under your eyes. If you continue like this, Ms. Ruth will call Professor Clare in a rage and scold him on the phone. If you don't want to
If you are scolded by Professor Claire, then take care of your face...!"
"Miss Mary, your leather shoes are very beautiful, they are more eye-catching than the runners on my feet...!"
The laboratory was full of cold machinery. Before Liu Lang arrived, there were few pleasant exchanges between the employees because Professor Claire didn't like it.
But Liu Lang didn't pay attention to his tricks. Whenever he appeared, he would immediately burst into laughter. Everyone liked to talk to him. Even the dullest people would be amused by Liu Lang's innocence and humor. Liu Lang suddenly became
He became everyone's happy fruit, and Professor Claire didn't say anything about Liu Lang's "bad habit". Was he going to get angry with a child who was just seven years old?
Of course the most popular Liu Lang can wander around the laboratory unscrupulously. Of course, he will not go to places involving secrets to cause trouble for himself. His favorite place to stay is the casting workshop, discussing various CNC with the workers.
machine tool.
In fact, these people are not workers, at least not in the strict sense. They are all Ph.D.s. Yes, most of them are top students from key universities.
Are doctors and workers the same? It must be different in other countries. The general concept of workers refers to those who work on the front line of the factory. They are surrounded by roaring noises every day, see a smoky environment, and speak vulgar and contemptuous tones. Of course they are
Worker.
When Liu Lang was working on chips in the Shanghai Stock Exchange, he heard a joke among the old workers: It was said that he committed sins in his previous life and will work in industry in this life. The meaning is very obvious. It means that the work is tiring and dirty, and the salary is not much.
Many front-line workers are in poor health before they reach retirement age, as if God is punishing them for their sins in previous lives.
However, in industrially developed countries such as the United States, Germany and island countries, the concept of workers is by no means like this. They have higher salaries and enjoy considerable rights in society. Some so-called workers even have very high academic qualifications.
, there are many graduate students and even doctoral students.
Because the key to why these developed countries are called developed countries is that they always have a developed industrial system, and a developed industrial system relies not only on advanced technology, but also on industrial workers passed down from generation to generation.
The most typical example is that Barzel of the German Andrews Company was a graduate of the Ruhr University. After graduation, he went to work at Andrews and worked there for more than 30 years until his retirement. Even Professor Xiong Huaizhi admired his level.
, there is no problem in becoming a professor in a university.
This shows that Germans attach great importance to industrial workers. In fact, many university professors often work on the front line with their students. For such people, calling them workers is more satisfying than the word professor.
.
Industrial workers are a noble profession and a profession worthy of respect. This concept is deeply rooted, and it is precisely in this way that their country has strong industrial technology.
Therefore, Liu Lang considers himself a worker here, and he is still the youngest worker. After being recognized by other workers, he truly integrated into the team.
Every time Liu Lang came to the laboratory, he would keep asking various questions. The focus was on the dozen or so workers in the foundry workshop. Even though their usual job was just to press buttons, in fact they were not ordinary people. There were five of them.
The workers are also the designers of these CNC machine tools and have a clear grasp of the internal structure.
A month later, Liu Lang had basically mastered how to build a CNC machine tool.
The first is the design of the machine tool, which is to use theoretical knowledge to draw the machine tool on the drawing. This is the same as the architectural drawing. With the drawing, the construction workers can build the building according to the design. However, the requirements for CNC machine tools are much better than those for construction. The difficulty is
It depends on the accuracy of the machine tool, which involves the casting of the mold.
Then there are machine tool castings. A machine tool casting is the skeleton, which is the key to withstanding cutting torque and dispersing vibration forces. It is the basis for machine tool stability. Most machine tools in China are now made of ordinary cast iron. Even stainless steel is not popular.
, it seems to work, and it works very well. It has been used for more than 30 years, but in front of the CNC machine tool, it is just a pile of scrap copper and iron.
This is like the foundation of a building. If you build a three or four-story house, the foundation certainly does not need to be that good. But if you are a high-precision machine tool, without good castings, even the best spindle screw will not be able to operate.
The accuracy will be gone after a year.
This involves smelting technology, especially the very high requirements for casting plants and smelting plants.
From the mouths of those workers, Liu Lang learned that the bed bodies of CNC machine tools are generally made of ductile iron and Meehanite cast iron. The former is less rigid and easy to control, while the latter is relatively more difficult to control defects and of course costs more.
higher.
At the same time, in order to improve the overall rigidity, the internal structure of the machine bed will be more complex, and the casting level requirements will also be higher.
There is another detail that Liu Lang learned for the first time. Because CNC machine tools require very high precision, the machine tool itself vibrates when it is started. For example, every time the machine tool is started in Professor Xiong's laboratory, the surrounding land will tremble slightly.
How to require accuracy in this environment?
CNC machine tools naturally do not allow this kind of thing to happen. The complex overall structure will act like a conductor to disperse the vibration to the maximum. At the same time, the machine tool also adopts the latest three-point support technology.
This technology refers to the support method of the machine tool bed. The advantage of three-point support is that it is easy to level and install. On the other hand, the rigidity of the bed that can be supported by three-point support must be good enough, which requires better materials and a casting structure.
It also needs to be well designed.
Then there is mechanical processing. Of course, mechanical processing is very important. High-precision casting processing can ensure high-precision machine tool assembly. This requires large-scale machining equipment, such as gantry machines and high-precision coordinate boring machines, and then guide rails.
Grinding to achieve precision, of course, also requires high-precision machining processes. This is a craft category and requires experienced industrial workers to do it, otherwise giving you machine tools will be in vain.
There is also the control system, which determines the key accuracy of the machine tool and is the brain of the CNC machine tool. Without Wan'an Company, this link would be enough to make Liu Lang hit the wall. But now that Wan'an Company obeys his words, he is still Wan'an Software Technology Co., Ltd.
As the company's second largest shareholder, this became the simplest step. In addition, Liu Lang learned that Wang Haijun had gone to the island country to study, and what he learned was control systems. He would just bring him over to develop it together with Wan'an Company in the future.
The last step is assembly and machine adjustment. According to those workers, the assembly process is an assembly line, with one line for each machine model, and each station corresponds to an assembly process. The slide rail platform is used to push it to the next process, and there is a very detailed assembly in the middle.
Record, this step can be done according to normal procedures, but machine tuning is a delicate job, and debugging accuracy is also the final key. Several high-level masters are required to take charge.