Siheyuan starts from a better life

Chapter 223, Disassembly

Since there were two engineers helping Jiang Yan, the disassembly speed was quite fast.

For a while, pliers, screwdrivers, hammers and other tools were flying in Jiang Yan's hands, and the cover plate, bearing, spindle, tie rod and other parts were disassembled from the machine one by one.

The disassembled parts were roughly evaluated by Jiang Yan. According to the degree of wear of the parts, these parts were numbered and carefully put aside.

With the technology background from his previous life, Jiang Yan basically knows the general function of these parts. After all, he dismantled so many machines in his previous life, and it was not for nothing.

For the convenience of work, Jiang Yan also specially asked Guo Jianjun to find a recorder. The disassembled parts were clearly marked by the recorder with basic information such as which parts and gears were redundant, and which lines were incorrect.

It wasn't until the whole bed was dismantled into an iron shell that Jiang Yan stopped what he was doing.

"Jiang Gong, Wang Gong, and Zhang Gong eat first, and we will work after dinner."

Hearing Guo Jianjun's words, Jiang Yan raised his wrist blankly and looked at the watch on his wrist. The time had come to 1:[-].

At this time, my stomach also growled.

After taking the lunch box from Guo Jianjun and opening it, several people randomly found a workstation and sat there to open the lunch box.

"The food here is not bad." Looking at the stewed pork vermicelli, fried potatoes and rice in his lunch box, Jiang Yan said.

"It's okay! We are a military factory here, and the supply price is relatively high. In addition, here is the northeast, and the products are rich."

Looking at Guo Jianjun's slightly smug words, Jiang Yan added a piece of pork belly, and only opened his mouth after eating it.

"That's beating roe deer with a ladle, scooping fish and pheasants and flying them into the rice cooker, right?"

"Yes, that's how it's described. Although it's not accurate, it's about the same. This sentence mainly describes the Great Northern Wilderness, but we have a lot of wild game here, so I'll get some for you when I have time."

"Then thank you very much." Jiang Yan ate a mouthful of rice and thanked him.

Wang and Zhang are indeed technical people, and they were still discussing some problems with Jiang Yan during the meal.

Jiang Yan could only answer helplessly while eating.

After eating, Jiang Yan took a break for a while, and brought the two engineers back to the precision segment machine.

During the disassembly in the morning, Jiang Yan already understood where the machine was damaged.

It is also very simple to explain clearly, this should be that the balls inside the ball shaft are damaged and missing, which will cause the machine to overheat during operation, and the screw rod will be locked, resulting in sliding teeth.

Such a situation will lead to a decrease in the accuracy of the machine, and it will indirectly become a scrapped machine.

However, the damage to the parts of other machines was not so serious, it was just a lack of maintenance.

Fortunately, the damage to the motor was not that serious, which is also a blessing in misfortune.

What Jiang Yan has to do now is to restore the drawings of various parts.

With these three-dimensional drawings, parts can be mass-produced on a large scale, and there is no need to worry about damaging the machine without parts.

With the [-]D drawings of these machine parts, reverse engineering prevention is not a big problem.

However, this kind of project is not small. In order to be able to concentrate on drawing, there are only two engineers and Jiang Yan in the workshop at this time. The other workers are arranged by Guo Jianjun to other workshops. their arrangements.

After dinner in the afternoon, under Jiang Yan's command, the three of them started to get busy.

Measuring, drawing, and calibrating, the three of them are very busy.

The three of them were completely absorbed in their work, completely oblivious to the movement around them.

While the three of them were busy, Director Zhao brought the factory leaders to the workshop where Jiang Yan and the others were located.

Director Zhao, who had just entered the workshop, saw parts covering almost the entire floor of the workshop. There was a piece of paper next to each part with some Arabic numbers written on it, and he didn't know what these numbers meant.

Originally, factory manager Zhao brought the leaders of the factory here today to officially announce that Jiang Yan was appointed as the leader of the mechanical maintenance team of the whole factory, and introduced Jiang Yan to the leading members by the way. scene.

Guo Jianjun had already noticed the factory leader who came in. When he saw that the factory manager was about to speak, he hurried forward and made a silent gesture for the factory manager.

He knew that what Jiang Yan and the others were doing now was very important and they couldn't be disturbed, otherwise he wouldn't dare to keep the factory manager from talking if he was killed.

The factory manager was taken aback when he saw Guo Jianjun's gesture, and closed his mouth just now.

Seeing that the factory manager was not talking, Guo Jianjun dragged the factory manager and the others out of the workshop.

"Xiao Guo, what are they doing?" Out of the workshop, Director Zhao asked Guo Jianjun.

"Factory manager, Mr. Jiang took Mr. Wang and Mr. Zhang to disassemble this fine section machine, and they are now repairing and drawing the parts on the machine. I really can't disturb them now, I'm really sorry."

Hearing Guo Jianjun's words, Director Zhao looked very depressed.

As the owner of a factory, I have never stopped myself from speaking.

"However he played the piano indiscriminately, he disassembled the machine privately without reporting it to the factory leaders. This is really disorganized and undisciplined. No, I will stop them."

A 40-year-old man wearing glasses who followed Director Zhao reprimanded him and wanted to enter.

But he was grabbed by Zhao Chang.

The man wearing glasses, surnamed Zhou, is the deputy manager of the management technology of the [-] factory.

The deputy director of the factory, Zhou, has been in a state of desperation for a while, and the machines in the factory have not known what happened for a while, and various situations have arisen. Basically, his engineers have been sent down to work hard to repair the current machines. .

Jiang Yan and the others maintain only two fine-section machines in the whole factory. This is the main machine for making gun barrels. Although the accuracy of this machine has dropped a bit, it can basically be used. For the remaining one, it is estimated that the tasks in the factory may not be completed this year.

The manufacture of gun barrels is divided into cold forging process and traditional deep hole processing process.

The gun barrel manufactured by the precision section machine belongs to the cold section process.

The so-called "cold forging", probably its technological process is: first punch a hole in the center of a blank that has undergone preliminary forging, heat treatment, and surface finishing, and use a steel core with the same texture as the rifling to pass through, and then One end is stuck on the chuck of the cold forging machine, and the hammer head made of four brass evenly beats the blank under the slow rotation of the chuck of the cold forging machine, making it elongated, and finally becomes a gun with a qualified size. Tube.

In addition to the fact that these two precision section machines can use the cold section process to manufacture the rush tubes in the factory.

The rest are using the traditional deep hole machining process.

Deep hole processing rifling simply says: it is to use a boring machine and a long rod rifling broach to cut out the male and female rifling in the barrel blank little by little.

The approximate technological process also requires a finished barrel blank (the size has been determined). One end of the blank is stuck in the chuck of the boring machine, and a hole needs to be punched in the center, and then the broach is inserted to process the rifling.

The fine and deep hole processing technology of the gun barrel is relatively difficult, because the rifling knife works inside, and the inside situation cannot be seen from the outside, so the processing can only be completed with the experience of senior technicians.

The speed at which they manufacture barrels in this way is relatively slow, and the scrap rate is relatively high.

The barrels made by these two precision segment machines account for half of the entire factory's barrel manufacturing.

Now that this situation occurs, why is the deputy factory director in charge of technology not in a hurry.

(End of this chapter)