Chapter 601 Threads and Bearings (Please vote and subscribe)

"Show me all your things." Seeing that he was in a daze, Luo Chong said it again.

"Uh, yes." The little carpenter came back to his senses, and quickly picked up several things excitedly and handed them all to Luo Chong.

Luo Chong took the bamboo tube cup, which was about the same size as the thermos cup in his previous life, and unscrewed the cup lid very smoothly, and then carefully observed the threads on it.

This thread is not complicated, just like the mouths of the containers he had seen in his previous life, with only one circle of threads, but the convexity of the threads is relatively large, so that the contact area of ​​the inner and outer threads can be greatly increased, improving the waterproof effect, and the design of only one thread is also very convenient to open.

The second thing the little carpenter took out was a fountain brush invented by Luo Chong, but when Luo Chong made this thing, the pen cap was directly put on the pen head, and the pen holder for filling ink at the back was also sealed with a wooden plug, but the one he brought was improved with threads.

Luo Chong saw a gap at the back of the pen, and he couldn't pull it out, so he twisted it a few times according to the thread method, and sure enough, the back section of the pen was screwed off, and the same was true for the front pen cap. He added threads to all of them.

The third thing was a rectangular wooden stick, which looked like a stool leg, and there was also a circular gap in the middle. Luo Chong twisted it a few times and directly split the wooden stick into two parts. The connection in the middle was exposed. It was also a threaded structure, with a protruding screw on one end and a recessed nut on the other. If the excess parts on both sides were sawed off, it would be a real screw.

The last thing looked like a medicine grinder, which was a thing that made a hole in the middle of a disc, and then a wooden handle was passed through the hole, leaving half on one side, and placed in a strip of groove to grind medicine. However, the thing in front of him was different because the extra wooden sticks on both sides were square, so how could it be rolled and used.

However, when Luo Chong picked up the thing himself, he discovered the secret, because he suddenly found that the wooden sticks on both sides of the disc were not connected. The sticks on both sides could rotate in any direction. After careful observation, even the disc in the middle was not a whole, but a structure like two bowls buckled together. There seemed to be something inside.

Luo Chong held the wooden stick at one end and turned the other end hard. The disc in the middle began to rotate. It took a long time for it to lose power and stop by itself. The scene in front of him surprised Luo Chong again.

Is this a bearing?

"This thing should be able to open, is there a round bead inside? Well, there should be grease, is it or not?" Luo Chong asked tentatively.

But the little carpenter standing aside was immediately shocked. The leader was indeed the smartest person in the Han tribe. No wonder he could invent so many things. He guessed the structure of the things he saw for the first time as if he had a perspective eye.

"The chief is right. There are round beads and grease inside. I didn't expect that the chief could guess the ingenuity inside the first time he saw it. He is worthy of being the ancestor of craftsmen in our Han tribe." The young carpenter immediately said in admiration.

"Open it and take a look." Luo Chong was also flattered by such flattery, and ordered in a pretentious manner.

The young carpenter did not hesitate. He came here to show his skills to the chief. How could he show his skills

without opening this thing? He took out an awl-sized iron hook from the box and hooked out eight wooden rivets from the outer circle of the middle disc. The middle disc was immediately disassembled. Then he raised the plate horizontally and took off the other half from it. The internal structure was immediately exposed.

There were three concentric circles of grooves inside and outside. Each circle of grooves was filled with white balls of the same diameter, and a large amount of grease was filled in the gaps between the balls, almost filling the entire groove.

This is indeed a bearing, but it is not the common hollow bearing, but a solid bearing. At the same time, its rotation direction is different from that of a hollow bearing. Hollow bearings are generally used in machines that rotate in the vertical direction, but the movement direction of this bearing is horizontal, which makes Luo Chong very curious, because he can't figure out why this person would invent such a thing.

As we all know, most inventions are born out of need. When there is a need, there will naturally be smart people who will find a way to solve it. But now the Han tribe doesn't seem to have anything that needs this kind of horizontally moving bearing.

Something that rotates horizontally, Luo Chong thought about it, could it be installed on the stone mill to make it rotate faster and smoother?

Let's not talk about whether this wooden bearing can bear the weight of the millstone, but the stone mill doesn't need to rotate more smoothly at all. The stone mill originally relies on pressure and friction to crush objects. If it rotates more smoothly, can it still be called a stone mill?

"This thing of yours should just be an accessory that plays an auxiliary role. What is it installed on? How did you come up with this thing?" Luo Chong asked very curiously.

"To answer the chief, I was inspired by him to make this thing." said the young carpenter.

"My inspiration?" Luo Chong couldn't help but raise his eyebrows. In addition to making a horizontally rotating stone mill, has he made anything else? Why can't I remember it?

"To the leader, that's right. To be honest, I have a daughter who is only four years old this year. She can already eat with chopsticks by herself, but she is small and has short hands. She complains that she can't reach the dishes every day. Every time, her mother has to pick up the dishes for her. So I thought, it would be great if the dishes could come to her by themselves.

When I was eating that day, I looked at the porcelain bowl in my hand and found that the bowl was very round. It was definitely impossible to pinch it with my hands.

So I suddenly thought of the pottery wheel throwing machine invented by the leader, which can rotate by itself. So I thought, if I could install a larger pottery wheel on the table and make a double-layer table, I could put the dishes on it and turn them directly in front of me when I want to eat them?

So I did it several times according to this idea, but the ones I made were not easy to use and it was very laborious to turn them. Later, one day when I was eating, I saw peanuts that accidentally fell on the table and rolled around, so I came up with this idea. Add some round beads at the connection between the two rotating objects, and it really made it much more convenient to turn them."

Damn, I even made a self-rotating double-layer round table!

Luo Chong was stunned, and at the same time he was amused by his motive for inventing this thing. The reason why this guy researched this thing was to pamper his daughter.

But when he heard him talk about the rotating round table, Luo Chong became even more suspicious. Was this guy really not a time traveler? So he asked tentatively.

"Do you know the earth?"

The little carpenter was stunned, and then asked back:

"What is the earth? Is it a new invention of the leader? How is it different from a football?"

Luo Chong stared at his expression for a long time. It didn't look like he was pretending. He really looked confused. He shouldn't be a time traveler. If this guy was really pretending, then his acting skills were good enough for him to be a best actor.

Luo Chong believed in his feelings, because he just noticed that when the carpenter heard the word "Earth", there was only confusion in his eyes, not surprise. This could not be faked.

But Luo Chong immediately began to struggle. He didn't know what he was feeling now. He said that he hoped that the other party was also a time traveler to relieve his loneliness, but he was afraid that the other party was a time traveler and would take his place. For a while, his mood was very complicated.

He founded the Han tribe by himself. It took him several years to develop to the present. He spent so much effort. He really didn't want anyone to come out and make trouble, let alone take his place.

Luo Chong felt that he had become addicted to the sense of accomplishment of building an empire with his bare hands, and he was even more obsessed with the power to control the fate of the people of the world. This might be the poison called power. He had already fallen deeply into it and couldn't extricate himself.

"Chief? What is the Earth?" The carpenter didn't hear Luo Chong's answer. Seeing that he was still distracted, he asked again.

Luo Chong was also awakened by this voice, and hurriedly regained his mind, and then said.

"Oh, the earth is nothing. Well, tell me more about these things. How did you come up with the idea of ​​making this kind of spiral round mortise

and tenon?" "Hehe, I don't have any ideas. I just like to think about it when I'm free. At the beginning, I made a cup with a bamboo tube by myself, but the cup with holes drilled in the bamboo joints and wooden stoppers has a very small opening. It is inconvenient to fill and pour water, and it is not convenient to brush, so I wanted to make a cup with a bigger mouth.

However, such a cup cannot be sealed with a wooden stopper. At first, I thought of the tap brush made by the leader. The pen cap is directly put on the pen head, so I made a cup cover like this, but it can't be sealed, and it still leaks.

Later, I wondered how to make it tighter, and then I thought of making a cup lid as big as the mouth of the cup, and then shaved off half of the outer layer of the mouth of the cup, and shaved off half of the inner layer of the cup lid, so that they can be covered together, but this kind of The design still leaked.

Then one day when I was working in the shipyard, I used a hand drill to drill holes in the wood board, and then I thought of the rotating splicing method. Then I saw the circles of ropes wrapped around the mast, and then I made the circular mortise and tenon in front of me according to that shape.

After the cup was made, I showed it to other people in the shipyard. They also thought it was amazing, but they all said that it was not very useful. It was not strong enough to connect the keel, and it was too troublesome to make. It could only be carved out with a knife. It was very impractical to use it to produce things and had no development value.

But I don’t think so. I think this kind of circular mortise and tenon must have a better use, and it shouldn’t be used only on the cup cover, so later I tried to make some other things, which are the pen in front of you and this square wooden stick. ”

"Yes, this threaded connection structure does have great potential for further development. It should be used in various industries, not just to make cups. Look at the pen you made later. In fact, there is no change. It is just a cup mouth that is one size smaller. And this wooden stick, if it is only used for connection, it is not as strong and durable as the mortise and tenon joint. You want to explore the use of threads, but you are digging in the wrong direction." Luo Chong saw that he had nothing else, so he began to comment.

"What the leader said is that I am stupid. I really can't think of any place where this threaded structure can be used." The little carpenter scratched his head embarrassedly and said.

"No, you are not stupid. You can innovate useful things by yourself. You are better than most craftsmen.

And this ball roller you made, this thing also has great potential for further development. It is not just used to make a rotating table. It just needs to be modified if you want to use it on other things. By the way, what are the white beads in yours made of? How is the pressure resistance?" Luo Chong looked at his modest look, so he began to encourage him again.

"To the leader, these beads are solid ceramic beads that I asked someone to make. They are very hard. Anyway, I haven't encountered any problems when using them to make tables. I haven't thought about whether they can withstand pressure." The little carpenter replied immediately.

Luo Chong nodded after listening. It turned out that they were ceramic balls, which were made of mud and were indeed easy to make. Now they just want to make bearings. With the current industrial level of the Han tribe, that is impossible. Apart from other things, making steel balls is not something that can be knocked out with a hammer, and ordinary steel balls used as bearings may not be able to withstand such a large pressure. For some low-pressure or no-pressure equipment, using ceramic ball bearings is indeed a very suitable choice.

"By the way, I haven't asked you what your name is yet. What's your name?" Luo Chong wanted to reward the carpenter, but suddenly realized that he didn't know his name until now.

"To the leader, my name is Lu Xingfa."

"Your surname is Lu? Are you from the Deer Tribe that produces coal mines?" Luo Chong asked in surprise.

"No, I am from the Lu tribe who raises pigs. I joined the Han tribe at the end of the year before last, and it has been two years now." Lu Xingfa said hurriedly.

"Oh, it turned out to be the Lu tribe." Luo Chong suddenly realized.

"Then, considering that you are good at inventions and actively submit them to the tribe, well, and they are two relatively promising inventions, you are promoted to the fourth-level Zhizuo title, and are specially commended. You are promoted to the head of the Ministry of Industry and will move to Hanyang City in ten days to specialize in the study of other uses of threads and ball bearings."

"Dashu, please handle the procedures for his promotion to the title and the procedures for his household registration transfer." Luo Chong began to explain to the two.

"Yes, I will have someone do it for him tomorrow." Dashu responded on the side.

Lu Xingfa, who was standing next to him, was stunned by this huge reward and immediately knelt on the ground to thank him loudly.

"Thank you for your kindness, Lu Xingfa. I will study hard in the future."

"Get up, Lu Xingfa, Lu Xingfa, your Lu is not good. How about I change your surname? Why not call you Lu Xingfa? This is closer to your original Lu tribe." Luo Chong looked at the carpenter who knelt down to thank him, and changed his surname. This was also to divide the strength of those clans, or clans. He was used to this kind of thing.

"Ah? Oh, thank you for giving me a surname. I, Lu Xingfa, will never forget your kindness. From now on, I will serve you at your service and will not dare to complain." When Lu Xingfa heard that the chief had given him a separate surname, he was immediately excited. So far, there are only a few people who can be given a surname by the chief. This is a great honor. He is so lucky.

"Well, don't be too happy too soon. Complete the formalities early tomorrow, and then hand over the work in the shipyard. Report to Hanyang City within ten days. By then, your newly added land will also be allocated to Hanyang City. Okay, take these things back."

"Yes, thank you, Chief."

(End of this chapter)