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Cheng Pan and two blacksmiths came to a building near the river not far from the blast furnace. Although the second elder was building the blast furnace, the building also began to be built under the command of Cheng Pan. But this is the carpenter's territory. The two blacksmiths also looked at them curiously from time to time and went about their work. Over the course of the month the building grew grander and more and more timber entered the table. What was originally one water wheel on the river became five water wheels. And there is a trend of increasing number of them.

Cheng Pan and others walked into the building. I heard a strange sound of grinding teeth. The two blacksmiths looked towards the sound and saw a swirling round, serrated blade cutting high through wood. After a while, the wood was cut. Polished by a rotating fast grinding wheel. In the meantime, there were only two people working on it, and the two blacksmiths couldn't find the person who rotated the blades and grinding wheels. Nearby, there were five people using charcoal to scribble strange symbols on the ground and arguing about something. When these people saw Cheng Pan coming, they all stood up and said hello.

Li He, the person in charge of the carpenter group, said, "Teacher, you are here, the machinery is running well now, and we are discussing the physical formula you taught us." ”

Cheng Pan said: "These formulas have been used."

Li He said happily: "These formulas are so useful, some old carpenters have sighed again and again when they see them, and according to these formulas, we have thoroughly figured out these levers and pulley moments that used to look complicated."

"Okay, I see," Cheng Pan interrupted Li He's hand with a smile and continued, "Is there any mechanical deficiency?" ”

Li He put on a stern expression and said, "Some wooden parts wear out too quickly, Mr. heard that the first furnace of iron has been smelted, is it time to implement the iron-clad parts you said."

Cheng Pan said: "That's right, the iron has been produced, the iron-clad wood parts will be ready soon, is Unit 5 ready?" I've come with the blacksmith crew."

At this time, the blacksmith Zeng said, "Xiao Li, the power of the water wheel is used here."

Li He replied, "That's right, Master Zeng, water power is used here. Now that No. 5 has been adjusted, the new automatic ironing machine will work as long as the hammer is installed. Sir, I'll take you there. ”

Cheng Pan and his entourage came to the No. 5 turbine room. Room 5 is two high stone platforms on the riverside, no matter how the river rises, it cannot threaten the machine room on the stone platform near the shore, and in the middle of the two stone platforms is a large water wheel, which keeps turning under the washing of the river. There is an iron-striking stove in the machine room, and next to it is a mechanically driven iron-making machine.

After a while, Cheng Pan walked out of room 5. Leaving Li He and two senior blacksmiths to discuss the commissioning of the latest blacksmith workshop.

Since the ironmaking group put into production with 1.5 tons of steel a day, Cheng Pan's subordinates have finally gotten rid of the iron-poor situation. The use of water power has also brought the productivity of Chengpan's new Xiaohuang Village to a new level. Cheng Pan has always longed for the scene of industrial production. Ancient China has always been at the forefront of technology, and there is plenty of manpower. Relying on its abundant population, China surpassed other civilizations in the world in terms of output in the prosperous era of each dynasty. It stands to reason that the accumulation of technology, manpower, and primitive capital is that there is no industrial revolution. Aside from other reasons, Cheng Pan personally believes that China lacks a standardized concept. During the Qin Dynasty, China once engaged in standardization, all similar weapon parts were of uniform specifications, and several broken weapons could be dismantled and reassembled into a new weapon. Although it is impossible to understand the production situation of each country in the Warring States period more accurately, the power of the two western provinces of Qin repeatedly suppressed the six countries whose population was several times that of the territory east of Huashan. This is definitely not only a problem of the militaristic system of the Qin State, the productivity of the Qin State at that time was definitely higher than that of the six eastern countries. And the first thing Qin did after the unification was to unify weights and measures.

After the destruction of Qin, the people who could write blindly described Qin's strict laws and strict policies, attributed Qin's strength to the fact that the king of Qin instilled the idea of robbers in the people, described Qin as a country of tigers and wolves, and demonized Qin's qiē. The superiority of Qin's production system was forgotten intentionally or unintentionally. Although the weights and measures that were later unified have been handed down, they have not been developed to a deeper precision. The literati's depiction of manufacturing was also biased towards personal praise of a certain craftsman, admiring the depth of his skills, but not paying attention to a certain method of production that produced a large number of qualified products. With the degeneration of the Confucian class, which held the right to disseminate written information, the exquisite production process was discredited with strange and ingenious techniques.

Now, after Cheng Pan popularized the ability to disseminate information to his subordinates in pinyin and simplified characters, he began to further refine the weights and measures.

In both the carpenter's workshop and the blacksmith's workshop, the same meter ruler was hung, and each meter ruler was refined to the millimeter. The production of the meter ruler is based on a silver meter ruler in the village.

At the same time, the products produced by each workshop are marked with various sizes. Once the produced product does not meet the error standard, it will be classified as defective and destroyed, and once the defective product produced exceeds the specified amount, the wages of the producer and the workshop manager will be reduced. Although most of the workers complained about it, it was carried out under Cheng Pan's strong will. Li He and Zeng Cai, two blacksmiths, and other high-level manufacturing officials, agreed with both hands and feet for this system. After understanding the movement principle of large machinery such as waterwheels and enjoying the convenience of machinery, they conducted a deeper study of machinery and deeply realized the essence of the ancients saying that the slightest difference is a thousand miles. Strongly promote the standardization of products. With the efforts of several craftsmen and Cheng Pan's conceptual pointing, the vernier caliper, a precision measuring device, was born.

As other parts such as iron-clad gears with an accuracy of one millimeter are machined, the frequency of failure of large waterwheels decreases sharply. After mixing enough iron ore, Cheng Pan felt that the steel output of one blast furnace was not enough and decided to build another one. A month after the successful operation of the first blast furnace, the second blast furnace was much more built than the first with the mass production of refractory bricks of uniform specifications. Compared with the first blast furnace, Cheng Pan has adopted a new technology. It is to re-blow the exhaust gas from the top of the furnace into the furnace with a blower and recycle it. At the same time, the ore ratio in the iron ore was easily tested with strong acid. Let the iron factory calculate the approximate amount of iron ore by a formula according to the ratio of the number of iron produced by the test, and strictly require how much steel to be turned off and clean up the slag after the production of how much steel, in the past these jobs need to be grasped by experienced old blacksmiths, Cheng Pan does not count as cheating. Now it's working according to the formula and the rules. Everyone strictly adhered to the formula explained by Cheng Pan. But I was very curious about this formula.

Cheng Pan has carried out the teaching of another subject with this good learning attitude that everyone wants to know.