Countercurrent 1982

Chapter 44 Gear Hobbing Machine

Just like yesterday, Duan Yun first processed a few parts by hand. At about one o'clock, when some employees went to the boiler room to pick up lunch boxes for supper, Duan Yun took the servo motor and other parts out of the box. Quickly installed on the lathe.

After everything was installed, the lathe entered the automatic machining phase again with the humming sound of the spindle starting.

In fact, today, the modification of the lathe is too new for Duan Yun. After standing by the lathe and counting the finished products for a while, he feels a little boring.

Duan Yun himself is not a person who can be idle. In his previous life, when he was working in a locomotive factory, he would not sit in the office, but liked to go around the workshop.

Until 300 o'clock in the morning, Duan Yun had already processed more than [-] stigmas. Seeing that the noise of the machines in the workshop gradually decreased, he simply turned off the machines temporarily and wandered around the workshop.

When he walked to the other end of the workshop, Duan Yun's eyes were immediately attracted by an X5032 vertical milling machine.

The reason why Duan Yun is attracted to this milling machine is also very simple, because when he worked at the locomotive factory in his previous life, there was also a machine exactly like this milling machine in the workshop.

So when Duan Yun saw this milling machine, he really felt like he was in a different world.

Walking forward, when Duan Yun first looked at the parts processed by this milling machine, a man's voice suddenly came from behind:

"What are you doing!?"

"Uh." Duan Yun turned his head to look after hearing the words, and found a tall man standing behind him.

This man looked about the same age as Duan Yun, his skin was slightly dark, his head was hot and he had big temples, and his eyes were a little gloomy when he looked at Duan Yun.

"Ah, I'm just here to take a look." Duan Yun quickly said with a smile.

"It's you?" The hot-headed man was stunned for a moment after seeing Duan Yun's appearance, and then asked, "Why are you running to my workstation when you have nothing to do?"

"I'll just take a look at this milling machine."

"What's so good about this broken machine?" The hot-headed man glared at Duan Yun, then scolded: "Go away!!"

"Brother, I'll leave after a few glances." Duan Yun obviously didn't want to leave.

"Who is your brother? Are you compatible?" The hot-headed man seemed to dislike Duan Yun very much. Seeing that Duan Yun didn't want to leave, he rolled up his sleeves.

"Big brother smokes!" Seeing the hot-headed man rushing towards him, Duan Yun calmly took out a large front door from his pocket.

"Yeah." The hot-headed man was stunned when he saw Duan Yun took out the cigarette, but when he saw the brand of the cigarette, he reached out and took the cigarette and put it on his ear, and said to Duan Yun, "Give you one. It's smoking time, I don't want to see you at the workstation when I come back later, understand?"

After the hot-headed man finished speaking, he turned and left the workstation and walked towards the door of the workshop.

Seeing him leave, Duan Yun continued to observe the milling machine.

The material box next to it contains the rough parts of the gear, and the other side is the finished product that has been processed.

Like the single hydraulic prop processed by Duan Yun, the agricultural machinery transmission gear is also the factory's flagship product.

However, in terms of accuracy and other indicators, the gears of the agricultural machinery gearbox are quite different from the gears used on diesel locomotives processed by Duan Yun with CNC lathes in the locomotive factory in his previous life.

Generally speaking, the precision of later generations of automobile gearboxes and engine gears can reach five levels, while the current main product of the Red Star Gear Factory, agricultural machinery transmission gears, can only reach six or seven levels.

The X5032 vertical milling machine in front of Duan Yun is considered to be a good machine tool in China at present, but it can only use the shaving process to process gears of agricultural machine level. The level of tooth shaving technology cannot be reached, so more advanced tooth grinding technology, as well as advanced equipment such as special gear grinding machines and gear testing centers are needed.

In addition, besides the low precision of this kind of agricultural machinery gear, the heat treatment process can only be regarded as a low-end level. When Duan Yun and the master were in various workshops, Duan Yun only saw one heat treatment furnace in the heat treatment workshop. The processing procedure still uses the parametric technology left over from SL 30 or [-] years ago, and there is no gear surface hard processing equipment such as powerful shot blasting commonly used in gear factories in later generations.

With the current level of domestic machine tools and related equipment, it is very difficult to achieve the precision of future automobile-level gear processing, unless there are imported professional equipment, but in these days, such high-end imported machine tools and equipment are very few, and they are also given priority. Used in the military sector.

In Duan Yun's view, if a few foreign advanced gear grinding equipment can be introduced this year, with the current advantages of cheap domestic labor and cost, exporting commercial automobile gears is definitely a lucrative business, which can make a lot of money for the country. However, due to the current national conditions and the lack of relevant software and hardware supporting facilities, Duan Yun's idea is basically impossible to implement.

However, although Duan Yun does not have the ability to change an industry now, it is still possible to improve a production process in the workshop.

At present, the factory uses milling machines to process gears, basically relying on workers to manually calibrate the milling machine and adjust the indexing head to complete the processing, which is very inefficient.

Duan Yun, on the other hand, could use the materials he had read in his previous life to convert it into an automatic gear hobbing machine. Like the previously modified lathe, he needed to add some gears and components, and the efficiency could be increased by at least several times.

Since Duan Yun entered the first workshop, he seemed to feel like a duck to water. He was a professional counterpart and had a lot of room to perform.

It's just that Duan Yun still needs to wait for the opportunity. In the case that the people in the factory are not strong, he has no chance to display his talents, and many things need to be done step by step.

After looking around the milling machine, Duan Yun left when he saw the big temple hurriedly returning from the door of the workshop.

He wasn't afraid of that black-faced young man, he just felt that there was no need to have any conflict with that kind of person.

After returning to his workstation, Duan Yun changed the turning tool and started the lathe again.

Until he got off work at 700 o'clock in the morning, Duan Yun processed more than 50 stigmas in total this night, basically the same as yesterday, so he should have earned more than [-] yuan in bonuses.

After turning off the machine and tidying up the workstation, Duan Yun pushed the box of workpieces into the warehouse with a trolley, then changed his clothes and got off work.

Soon after Duan Yun left, Tian Feng, who was on the morning shift, came to the workshop.

As a technician in a workshop, Tian Feng not only distributes the drawings of the workpieces to be processed to the team every day, but also needs to take into account the quality inspection of the finished products produced by the workers every day.

(End of this chapter)