Siheyuan: Starting in 1960, Level 7 Engineer
44 Chen Jianjun’s second research and development achievement: Diamond brand ceiling fan 4/10

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"Grandma, don't eat cornbread anymore. That thing is not good for the stomach. I brought the worst rice over.”

Chen Jianjun didn't wait for the Deaf Old Lady to speak and walked out.

He had just seen the Deaf Old Lady eating steamed bread alone and felt a little apologetic. Anyway, he did not lack food for the Deaf Old Lady.

Chen Jianjun thought that if his mother saw his ability, she would probably have something to say regardless of what the Deaf Old Lady said.

Moreover, the Deaf Old Lady had also made things clear. The knot in her heart from back then was gone.

Chen Jianjun's footsteps were exceptionally relaxed.

The Deaf old lady picked up the rice in her hand with a trembling hand, tears flowing down from the corners of her eyes.

Was she wrong? From her point of view, there was nothing wrong.

Was Chen Jianjun wrong? That was also true.

The Deaf Old Lady wiped away her tears and picked up her chopsticks. She was eating very happily. The skills of a high-level chef were not for show. The key was that even if the Deaf Old Lady was eating pickled vegetables, dried carrots, and old cornbread, it was still sweet and fragrant.

The Deaf Old Lady was not the only one who enjoyed the lunch.

Everyone in the construction team was satisfied.

There were vegetables and meat in the rice, and most importantly, there was a lot of meat.

Each person could get several pieces of the three-layered meat.

The key was that there was enough profit.

Chen Jianjun knew that the people of this era were short of oil and water. All the oil and water from pork were used.

There was also a thick layer of oil at the bottom of the pot.

However, Jianjun Chen also saw that many workers left the meat in their lunch boxes after eating. It was obvious that they were reluctant to eat it and wanted to bring it back.

Chen Jianjun didn't say anything about it.

It was within Chen Jianjun's ability to let everyone eat well.

Everyone worked exceptionally hard in the afternoon.

Chen Jianjun also ate with everyone. In the end, there was still some leftover, and there was a layer of pork fat at the bottom of the pot. Chen Jianjun asked Third Aunt to bring it over.

The pots and bowls were all cleaned by Third Aunt.

Noon was the hottest time. When Chen Jianjun returned home, he almost couldn't stand it.

With the fan ticket in his hand, he went to the supply and marketing cooperative and bought a large green floor-to-ceiling fan that weighed more than ten kilograms.

With the electric fan, the room instantly became much cooler.

However, when the fan turned, it made a buzzing sound, which Chen Jianjun didn't like.

At this time, the flower family did not have their own ceiling fan industry. It would take another four years for the diamond brand ceiling fan factory to be built.

Chen Jianjun also picked up the blueprint and started drawing.

The fan did not require much technology. The key was the motor and the copper core.

The rest could be processed by a few first-class fitters, lathes, and welders.

Chen Jianjun was currently designing the diamond brand ceiling fan that would be popular among flower gardeners in the future.

In his previous life, when he was young, Chen Jianjun had a diamond brand ceiling fan at home. It was bought by Chen Jianjun's grandfather when he was young.

After using it for three generations, the quality was still good. It really didn't break, and it still had a lot of points.

After Chen Jianjun grew up, he demolished the old house and rebuilt it. The old fan was also dismantled and sold by Chen Jianjun. The house was replaced with an air conditioner.

In less than two hours, the diamond brand ceiling fan appeared on the blueprint.

The motor also had a copper core. The process was not complicated and could be produced by the rolling mill.

Even the steel mill could directly open up a ceiling fan production line.

By then, before the air-conditioning, one would be installed in the living room, kitchen, study, and room. Then, there would be wind wherever he went.

Otherwise, it would not be a good summer.

Back when he was in the university, there were fans everywhere. In addition, it was the northernmost location of the flower plantation, so it was not too hot in summer.

However, after returning to Beijing, Chen Jianjun was really not used to it.

He was sweating profusely when he was eating.

Of course, since it was designed by Chen Jianjun, it was no longer a diamond card. Chen Jianjun wrote the Red Star brand on the top of the design.

The structure of the entire ceiling fan, the structure of the motor, and the complete wires of the copper core were all drawn clearly.

When he went to work tomorrow, he could get the rolling mill to try and produce one.

If the effect was good, he could set up a production line. At that time, this kind of fan could enter thousands of households.

Furthermore, the entire fan was made of iron. The steel mill did not lack iron. The only thing it needed was copper wire. It was not difficult for the steel mill to obtain it.

It was the winding of the copper core. If it was done manually, it would be too slow.

Thinking of this, Chen Jianjun started to get busy again.

He designed an automatic winding device that was specially used to wind copper cores. It only needed a motor and a few mechanical arms that were controlled to rotate on a fixed axis. Then, it was a winding device that arranged the copper wires. It only took 30 seconds to complete the winding of a copper core.

Such equipment was not difficult at all.

In his previous life, Chen Jianjun was a science guy, so mechanical engineering was his specialty.

A copper wire coiling machine soon appeared on the blueprint.

However, Chen Jianjun also realized that the engineering blueprints he brought back were almost used up.

Such professional engineering blueprints were not cheap. The ones in his hands were all brought out from Ha Gong University. They were professional supplies and could not be bought outside.

However, he could apply for more when he arrived at the rolling mill tomorrow.

If he had any ideas in the future, he could draw them out at any time.

As for this kind of machine that wound copper cores, there were also machines in this period, but Chen Jianjun despised those old machines for being too slow.

It would be better to make a new one himself. The rolling mill had so many machine tools, and its manufacturing ability was completely capable of making machines.

In fact, Chen Jianjun was still considering making high-precision machine tools in the future, or making numerical control machine tools in the future.

Jianjun Chen's major was also to prepare for the future development of numerical control machine tools.

An electrical engineer and a mechanical engineer would be the future direction of the development of the machine tool.

But even now, Jianjun Chen was already a Level 4 engineer, and he had no confidence in the use of the machine tool.

One was the integrated circuit board technology, and the other was the accuracy of the machine tool.

Chen Jianjun suspected that unless he upgraded his engineer level to advanced, or the complete blueprint of the numerical control machine tool appeared in the challenge gift bag, he would not be able to do it with his current ability.

It was also difficult for Chen Jianjun to find helpers in this era. There was still a blank space in this field.

Even in the western world, the prototype of a modern machine tool was only a very primitive semi-numerical control machine tool, and it was highly confidential. Most of it was in some cutting-edge laboratories.

At least in the past few years at the University of Technology, Chen Jianjun had never heard of the news of foreign countries having numerical control machine tools.

This book comes from:m.funovel.com。

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