"Little Xuan, can you lend me your scooter to take a look?"
The few of them had just sat down on the stone bench in the West Courtyard. They hadn't even exchanged greetings for a while when Yan Shaoning couldn't help but ask impatiently.
Yan Shaoning seemed to be an impatient person. Li Zexuan found it funny and said, "No problem, Brother Shaoning, you can take a look if you want."
Hearing this, Yan Shaoning hurriedly placed the scooter on the stone table. Then, he came over and observed it carefully. From time to time, Yan Shaoning would flip the scooter around while sighing. In less than fifteen minutes, Yan Shaoning had thoroughly studied the structure of the scooter. He put down the scooter, looked at Li Zexuan, and said, "Li Zexuan.
"Little Xuan, although the structure of this scooter is simple, its creativity is really surprising. Why didn't I think of such a simple and convenient thing before? I really can't figure it out. "
Yan Shaoning hit his head in annoyance after he said that.
Li Zexuan smiled and said, "Brother Shaoning, you don't have to be annoyed. Actually, think about it carefully. The structures of many things that we use in life are generally not complicated. For example, the structure of a carriage is also very simple. But why didn't anyone think of making a carriage hundreds of years ago?
In the end, it's a person's creative thinking problem. My master once told me that there's nothing that can't be done. Because sometimes creativity is far more valuable than technology. If your thinking isn't broad enough, you'll never be able to create valuable new things. "
Yan Shaoning was enlightened. He clapped his hands and laughed, "Yes, yes, yes, that's what I meant. I've encountered many similar problems before. It's obviously very simple, but I just can't think of it. Little Xuan, you've hit the nail on the head."
Li Chengqian also nodded thoughtfully at the side.
Li Zexuan said modestly, "Brother Shaoning, you're just a bystander. Many times, if you jump out of the picture and change your thinking, you can often get unexpected results."
Yan Shaoning nodded in agreement. He looked at the scooter and said, "But Little Xuan, your scooter has a lot of imperfections. For example, the wheels will probably be very jerky when you turn them. Also, the handle at the front of your scooter can only be used as a handrail. It can't control the direction of the scooter."
Li Zexuan nodded. He thought to himself that this brother was indeed from an engineering family. He really understood the mechanical structure. He could see the flaws of this simple scooter at a glance.
"Well, Brother Shaoning is right. When I made this scooter, it was just a casual move to coax my little sister. This scooter can indeed continue to be improved."
"Oh? So Little Xuan, you already have an improvement plan? " Yan Shaoning was very curious. He could see the problem with the scooter, but it didn't mean that he had a solution now.
"I do have some ideas. Xiao Xi, go to the kitchen and get me a piece of unburnt wood. "Li Zexuan instructed Xiao Xi.
He could barely write with a brush, but drawing was really difficult for him. The lines of an engineering drawing needed to be horizontal and vertical. The soft tip of a brush was very difficult to do. At least, he couldn't do it.
Xiao Xi accepted the order and left. Li Zexuan saw that Yan Shaoning and Li Chengqian were confused, so he smiled and explained, "I'm more used to drawing with charcoal. I want to draw a drawing for Brother Shaoning so that it'll be easier to explain."
The two of them nodded.
After a while, Xiao Xi walked over with a burnt wood stick. After Li Zexuan took it, he pulled out his sword and swung it a few times. Everyone only saw a blur in front of their eyes. They saw that Li Zexuan had a thin and long wooden stick in his hand. It was even sharp at the bottom.
It was also Li Zexuan's first time using the Wind Chasing Sword to 'sharpen a pencil'. When he saw that the result was pretty good, he couldn't help but exclaim in his heart that his control over his strength had become more skillful.
"Good swordsmanship. I didn't expect Little Xuan to know swordsmanship." Yan Shaoning praised.
The Tang people valued martial arts, and the children of high officials and nobles loved to carry swords. Although Yan Shaoning's swordsmanship wasn't high, he still had a good eye. He didn't expect that this new friend of his not only had a unique idea in terms of machinery, but also seemed to be quite skilled in swordsmanship. Yan Shaoning was now more and more interested in Li Zexuan.
Li Zexuan didn't reply. He directly spread out a piece of paper on the stone table and started to draw.
In his previous life, Li Zexuan was very proficient in mechanical drawing. Whether it was a computer drawing or a manual drawing, the drawings he drew didn't need to be modified by a teacher. They could be sent to the factory directly for processing.
In his previous life, Li Zexuan's college organized an internship at the FAW headquarters. Their task was to go to the workshop and draw the key parts of the cars they saw in the workshop. They also had to mark the dimensions.
At that time, due to the limited conditions in the workshop, they couldn't even use a ruler. As a result, many of the students drew crookedly like a dog paddle. Only Li Zexuan's drawings were like works of art.
It wasn't because he had taken art classes, but because Li Zexuan's copying ability was very strong since he was young. When he was young, he could look at the New Year's painting on the wall and completely draw the flying dragon. Moreover, his drawings were very beautiful.
Later on, when he went to college, Li Zexuan couldn't help but regret that he didn't enroll in an art school. It had to be said that Li Zexuan was an engineering dog with artistic cells.
At this moment, Li Zexuan was in front of the paper. He closed his eyes and thought about the structure of the ball bearing. The strange thing was that Li Zexuan's mind quickly formed a three-dimensional model of the ball bearing. This strange scene scared him so much that he almost cried out in surprise.
When he opened his eyes, he saw that everyone was waiting for him to pick up the pen. Li Zexuan didn't care about the reason why there was a three-dimensional image in his mind and directly picked up the pen to draw.
At this moment, it was really smooth. Li Zexuan felt very strange at this moment. It was as if his brain was a computer and his hands were a printer. The three-dimensional image in his mind was directly reproduced on the paper through his hands.
Soon, Li Zexuan had drawn the three-dimensional view of the ball bearing and the isometric view on the paper. Of course, he didn't mark the dimensions and tolerances. He was just explaining the theory of the ball bearing and didn't need to do that. Li Zexuan put down the pen and sighed softly.
Yan Shaoning couldn't wait to come over. He wanted to see what Li Zexuan was drawing.
He saw that there were four different drawings on the paper. The lines were horizontal and vertical. Some were real and some were fake. This was the first time Yan Shaoning had seen this kind of drawing. But why did he draw four drawings? Could it be four parts?
Yan Shaoning looked at Li Zexuan with a dumbfounded expression.
Li Zexuan was confused by his look and wondered, "What's wrong, Brother Shaoning? Is there something wrong? "
Yan Shaoning pointed at the paper and asked embarrassedly, "Little Xuan, why did you draw four drawings? What does this mean? "
Li Zexuan was stunned. Was this not how the ancient craftsmen drew drawings? Did they not know about the three-dimensional view?
"Uh, Brother Shaoning, this is my first time drawing a mechanical drawing. Maybe the drawing method is different from yours. How did Brother Shaoning draw before?"
Yan Shaoning suddenly understood, "Oh, I see. Coincidentally, I have a few drawings with me. Little Xuan, let me show you."
After he finished speaking, he took out a roll of drawings from his sleeve.
Li Zexuan took the drawings and opened it. Sure enough, the ancient craftsmen didn't use the three-dimensional view drawing method. They only drew planar drawings. The parts that couldn't be expressed in planar drawings were directly marked with words. Li Zexuan looked at the densely packed words on the drawings and couldn't help but have a headache. This was too inconvenient.
No, I have to teach Yan Shaoning modern engineering drawing methods. Otherwise, it would be too troublesome to communicate with him in the future. Li Zexuan thought to himself.
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