Nearly twenty chapters exploded in three days, I'm almost tired and vomiting blood, let's help the ants more!

"In order to solve the problem of internal stress of the machine tool bed, I am poor in a large number of periodicals, and scientific magazines, and even decades ago the information have been turned out and re-read, at present, there is no corresponding solution in China, Nanyang machine tool and Dalian machine tool factory used by the method is natural aging, danshi this method is too old, the cycle is too long, but also occupy the place, account for the capital. There are many solutions in the world, such as the use of thermal aging, as well as vibration aging, can solve the problem of eliminating the internal stress of the machine, but the foreign devils cover these processing methods and processing tools too close, the country has not been able to get, at present, Nanyang machine tool and Dalian machine tool are also talking with the Germans and the Japanese, to see if they can get some molding technology from them, as well as machinery. But the situation is not too good, the Japanese and Germans look at these technologies very closely, the vibrator used for vibration aging is a little better, we have also introduced some of it earlier, although it is relatively backward, danshi can also be used alive, danshi thermal aging process, these guys are good to hold on. It is estimated that even if it is finally brought in, it will cost a very large amount of money as before, and it can only get outdated technology that others don't want, so I thought about it like this, just gritted my teeth, and let's ......do it ourselves."

Zhang Hainan took Jin Xiaoqiang around their research institute and explained to Jin Xiaoqiang.

"Yes, if they don't give it, let's do it ourselves, I don't believe it, it's the Internet era, the era of the knowledge explosion, and they can still block that bit of secrets so tightly? As long as we can get a little bit of the information they developed, we should be able to copy it. ”

Jin Xiaoqiang also nodded, agreeing with Zhang Hainan's theory, it is true that technology is sold from foreigners, but zhende is unreliable, yijing has been in the hands for so many years, and the technology bought from the hands of these foreign devils is not a rotten elimination technology for people?

Once these technologies are adopted, then we will always be able to follow the butts of these foreign devils and eat ashes, which is definitely not what Jin Xiaoqiang wants to see.

Zhang Hainan heard Jin Xiaoqiang's supportive attitude, and nodded secretly, with such a boss, he really didn't follow the wrong person.

"For more than a year, we have been working hard to eliminate the internal stress of the parts, and basically completed the thermal aging and vibration aging process, as well as some conventional methods of manufacturing mechanical parts."

Zhang Hainan told Jin Xiaoqiang about the results they had been busy with this year, and Jin Xiaoqiang was overjoyed when he heard it.

"Tell me about it."

"Regarding the solution of thermal aging, I consulted a lot of information at that time, and later did a lot of related experiments, which found out that in fact, this thermal aging is mainly for the weldments and castings required by the machine tool bed, and the process adopted is to keep these workpieces in the temperature range of 500 degrees to 650 degrees, and keep the required workpieces for 6 to 8 hours, until the furnace temperature slowly drops to 150 degrees, and then the way out is airborne cooling. Moreover, this thermal aging process should be placed after mechanical roughing, so that the internal stress involved in casting or welding and the residual stress formed by rough machining are eliminated and homogenized. For high-precision machine tools, Danshi can arrange the second thermal aging after semi-finishing machining, and all surfaces, holes and slots with a large amount of machining should be processed before the first thermal aging. ”

Zhang Hainan explained to Jin Xiaoqiang, Jin Xiaoqiang nodded frequently, in fact, he did not fully understand these, for machine tools, he really did not know much about lithium batteries closely related to cars. …,

Danshi's thirst for high-precision machine tools does not hinder his desire and attention, because he knows that compared to car manufacturing, the manufacture of this machine tool is the key.

Because it is the production of these machine tools that can ensure that his Huayang Power can manufacture more sophisticated cars.

Moreover, this thermal aging method can be applied not only to the parts of machine tools, but also to the high-end luxury cars that they will need to manufacture in the future, and even the parts on supercars.

And this kind of heat treatment technology is also what domestic steel plants lack the most.

This is also thanks to the fact that he got so many special metal smelting data technologies from Naruto Shinyuki before, and also secretly smuggled in a lot of small smelting and forging equipment from Japan.

After several years of training, Naruto Shinyuki came to Nanyang many times to guide the technicians of his special steel smelting company, and these smelting and forging equipment, Yijing was thoroughly understood by the technicians of his special steel smelting department, and also manufactured several large-scale equipment.

Otherwise, even if Zhang Hainan has an idea, I am afraid it will be difficult to put these technologies into practice, and don't look at what he says now, it is very easy, but in fact, when he is exploring such a heat treatment method, he still doesn't know how many experiments he has done and how many detours he has taken.

For such a technology, you have to be willing to spend money, fortunately, he has now formed a small industrial chain of a certain scale, such as metal raw materials, which can be taken directly from his father, special steel smelting, and steel mills have their own, otherwise just to solve such a heat treatment experiment to eliminate internal stress, I am afraid that it will have to be smashed down to dozens, tens of billions.

This is also thanks to the fact that he is taller than others, and if he changes to others, he really can't get it, but even so, Zhang Hainan and they spent no less than 500 million yuan to do experiments just to solve the problem of internal stress.

"For example, when manufacturing the bed of the milling machine, when using HT300 steel, the temperature range of heat treatment should be controlled between 550 degrees and 570 degrees, and the part of steel using HT200 should be controlled between 520 degrees and 550 degrees, and the heat preservation should be 6 hours. The Q235 used in the welded structure of the bed beam steel plate should be guaranteed to be kept at 620 degrees to 650 degrees for 4 hours. Hahaha, at the beginning of every day we had to divide into more than a dozen groups, each group stared at several furnaces, all the experiments were carried out at the same time, everyone was working day and night for more than three months, this is basically the process and process to find out, and when the test is busy, everyone is tired and out of shape......"

Zhang Hainan told about the pain and joy of their work, but at this time his face showed more excitement, obviously that time was one of the best and happiest times in his life, because they took the first step on the road of their ideals now.

But Jin Xiaoqiang only saw that he was moved, and at the same time, he wondered in his heart whether it was time to increase their salaries......

"However, the method and process of thermal aging are not omnipotent, and he also has disadvantages, that is, high equipment investment, long production cycle, and high energy consumption, and the most important thing is that these processes are not suitable for the production of guide rails and some other special parts."

Zhang Hainan explained to Jin Xiaoqiang.

"It doesn't matter, Mr. Zhang is not afraid, our Huayang Power has never been afraid to throw money at research and development, so you can work hard and strive to give me a full set of technologies."

Jin Xiaoqiang is full of pride at this time, he is really not afraid of throwing money into it now, Huayang Power's current models are selling well, the car company can be said to be making money every day, and in the United States, the Thunderbird limelight, is in the stock market to cut through the wind and waves and win a lot. …,

And the most important thing is that these companies are his own, not listed, he does not need to be responsible to shareholders, as long as he can pay wages to employees and ensure the normal operation of the enterprise, then the rest of the money, he is willing to spend it, where he can spend it.

These processes seem to be nothing, but in the future, if there is one item that you can't do yourself, you will have to be stuck by outsiders, and people with strengths like him don't like to be pinched by others to live.

What's more, these processes are all for his future equipment manufacturing industry to lay the foundation, and only by doing these can he consolidate the cornerstone of his future industrial empire.

"As for the method of vibration aging, it is relatively simple, as long as you can get a suitable same frequency vibrator, such a vibrator has been introduced before, but it is relatively backward. In fact, the principle of this method of eliminating internal stress is very simple, that is, the workpiece is fixed on the oscillating table, and then the exciter is firmly stuck at the peak of the workpiece vibration, the workpiece resonates under the action of the periodic external force exerted by the exciter, and the alternating stress of each part of the workpiece and the bed is superimposed with the residual internal stress inside it, so that the local yield of the workpiece, causes microplastic deformation, causes the residual stress to relax or stabilize or redistribute, tends to be uniform, and enhances the anti-deformation ability of the metal matrix. To achieve the purpose of improving the accuracy and stability of the workpiece collection. This process is mainly used for non-alloy structural steel, low-carbon alloy structural steel, stainless steel, various cast iron and non-metallic foundation parts, welded components and other components. ”

Zhang Hainan began to explain the method of vibration aging to Jin Xiaoqiang again, Jin Xiaoqiang also listened very carefully, at this time Zhang Hainan was more and more excited, and it seemed that he talked about the most proud part......

"However, at present, the most advanced vibration aging process is the spectrum harmonic vibration aging technology, which is to find out dozens of harmonic frequencies through spectrum analysis of the workpiece, and select the harmonic frequencies of five different mode shapes with the best effect on eliminating the residual stress of the workpiece......

#c