The quenching thing is much simpler, and the three brothers of the Tie family can complete it by themselves.

Douda's sweat dripped from his hair, and Li Zheng poured a mouthful of water.

Walking out of the blacksmith shop, it is said that it took half a year for Cao Cao's knife and steel knife to be made.

Li Zheng looked at the furnace in the blacksmith shop, and in the future, the steel knives could be made dozens or hundreds of them in a month.

Scale up as much as you want.

Li Tai nervously watched the three brothers of the Tie family quench and beat the iron and then return the fire, came to Li Zheng's side and said: "This is the first time I have seen the iron, it is really a long experience, and it is worth the trip." ”

In fact, the most important step of wrought iron is to sprinkle a layer of toner on it.

In this way, the forged steel will have a guarantee of hardness.

Half a day later, Tie Da came out with a piece of iron that had been forged.

The weight of this piece of iron is very heavy, and when he holds it in his hand, Li Zheng feels this weight and knows that the steel content is very high.

The half-centimeter-thick iron bar is swarthy, unpretentious, just waiting for the strike.

Li Tai looked at the iron tools that had been made and asked curiously, "Why are there no veins on this?" ”

Tie Da also said curiously, "It's the first time that the villain has forged iron in such a strange way. ”

The two looked at Li Zheng in unison.

Li Zheng explained: "The steel filling method you are using now is to use pig iron to wind on the wrought iron, and two different iron materials are forged together, so there will be a lot of veins to create it. ”

"It will be much easier to do when Yan Liben's wooden bellows arrive, and it is a bit too wasteful to do so now."

Tie nodded his head, "That's true, the weapons we create are all veined, and the veins that came out when we forged pig iron are the same. ”

Li Zheng said: "What do you think? ”

Li Tai took the rudimentary shape of this horizontal knife in his hand, "It's a bit heavy." ”

Tie Da's eyes were hot, and he naturally knew that the heavier the size of the iron tool he created, the better.

Li Zheng said: "The heavy is because of the high density of steel. ”

Li Tai: "What do you mean by this? ”

"You won't understand it." Li Zheng simply didn't explain to Li Tai, and said to Tie Da: "You go and polish it, and the finished product will be handed over to me when the time comes." ”

"Whoa!" Iron replied loudly.

After speaking, Tie Da gave his two brothers a look, and the three brothers suddenly knelt in front of Li Zheng and said, "I am willing to swear to stay in Jingyang for the rest of my life, and I will never reveal half a word about the steelmaking method of the county marquis." ”

Li Zheng nodded to explain their oath, "Go get busy." ”

"Whoa!" Tie Da stood up first

The three brothers of the Iron Family returned to the blacksmith shop.

Yan Liben's wooden bellows production is also coming to an end, and the wooden bellows to be built this time are very large.

Almost a man tall, Yan Liben asked Zhang Qi's people to build the library pavilion to temporarily transfer them to make wooden bellows.

There is an air intake at each end of the box.

When the handle is pulled away, air is sucked in from the proximal side. In this case, the compressed part of the air is pushed into the side chamber, and when it is pushed in again, it is discharged through the exhaust port.

The farther the push and pull, the greater the wind force given.

Double-acting piston bellows actually existed in the Song Dynasty, and now there are similar blowers but the structure is complex and not easy to use, and there is no such piston bellows to use.

Materials such as cooked pig skins and animal skins, which are used to push the air inside, can block the air and move at the same time, which has a certain elasticity.

In this day and age, there is no better material to insulate the air than this.

Li Zheng watched Yan Liben do it himself, and asked Zhang Qi and them to do it.

The wooden bellows are designed to be more than a meter long, mainly to increase the wind power, and how far the tie rod can be pulled determines how much wind there is.

When Yan Liben saw Li Zheng coming, he said, "Li Zheng, don't worry, the old man can make it tomorrow." ”

"There's no hurry." Li Zheng said.

Yan Liben glanced at the drawings and said, "The old man doesn't understand what this thing is used for. ”

Li Zheng grinned, "Trade secrets." ”

For more than ten days in a row, Li Zheng has been busy working in the blacksmith shop.

The wooden bellows built by Yan Liben were installed on the back wall of the blacksmith shop, and Tie San pulled the bellows and pushed it forward again.

The flames in the furnace rose sharply and rushed out of the furnace, and Li Tai dodged to dodge, but he was still burned by the flames to his hair, and immediately smelled a strange smell of burning.

Tieda hurriedly sealed the lid of the stove.

Li Tai scolded and cut off part of his burnt hair, and continued to work on the stove after scolding.

Li Zheng and Cheng Chumo sat outside the blacksmith shop drinking tea, and saw Li Tai with a red face come out.

Obviously it was steamed by the stove, Li Zheng asked with a smile: "Dare to ask His Royal Highness King Wei how ripe it is." ”

Li Tai's clothes were already soaked with sweat, and he picked up the kettle and poured water into his mouth.

Li Zheng looked at Li Tai with a sympathetic expression, and said to Cheng Chumo: "It looks like it's three points ripe." ”

Cheng Chu sighed silently, "His Royal Highness King Wei, why are you bothering. ”

"I'm going to lose weight! I want to live longer than the crown prince. Li Tai gritted his teeth and said.

Tie Er finally polished the steel knife, put it in the scabbard and put it in front of Li Zheng, "Please also ask the county marquis to take a look." ”

The style of this steel knife is still made with the style of a horizontal knife.

Li Zheng pulled out the knife and looked at the blade, the entire knife surface was almost a mirror.

Cheng Chumo was dazzled by the light reflected from the knife surface.

Li Tai also looked at it and said, "This knife is so beautiful." ”

Li Zheng handed the knife to Cheng Chumo and said, "Try it? ”

Cheng Chumo looked at this knife, the surface of the knife was like a mirror, and said with emotion: "It's the first time I've seen such a beautiful knife, it seems to be natural, and there are no lines?" There are no blemishes. ”

Try to wave the knife in his hand, Cheng Chumo is also a person who is good at using weapons, "It is a few points heavier than an ordinary horizontal knife." ”

Every time Cheng Chumo swung the knife, there was a slight whistling sound when the sound of the knife cut through the air, as if it resonated with the blade.

Li Zheng called Li Ke, Li Ke was born in the army, and his saber is the standard Tang horizontal knife.

There are only two people in the whole village who have this kind of knife, one is Li Jiangshan and the other is Li Ke.

Li Zheng didn't really want to invite Li Jiangshan, the killer sister, the most important thing was that the woman was too murderous and not easy to provoke.

Cheng Chumo and Li Ke each carried a knife and fought against each other and began to test the knife.

Li Zheng watched as they swung their knives together, and the blades of the two knives collided together.

For the first time, both knives were unharmed.

The result was the same the second time.

Third ......

Fourth ......

……

The result was the same more than ten times in a row, Li Tai was secretly surprised, which showed that the steel that Li Zheng refined was not much different from the horizontal knife of Datang today, and it only took one day for Li Tai to personally experience Li Zheng's forging.

It takes at least ten days for a normal horizontal knife to be forged.

collided again, and Li Ke's surprised voice came.

At a glance, it turned out to be Li Ke's horizontal knife, and a gap appeared.

And the newly trained steel knife in Cheng Chumo's hand is still safe and sound.

Seeing the result, Li Tai gasped, this time he lost interest in the knife and looked at Li Zheng and asked in a low voice: "What else does Li Zheng have that you can't do, and what did you eat to grow up." ”