Daming pirates

Chapter 76 Molding Technology

In the glass factory, production was still going on when Yu Xiaotian was away. The craftsmen fired the molten glass according to the method Yu Xiaotian taught them, and then made the molten glass into flat glass. However, the largest flat glass they have produced so far is also

It's only one foot by two feet square. No matter how large the plate glass is, it's not easy for them to make it.

Before Yu Xiaotian went to Taiwan, he asked them to trial-produce larger plate glass. He planned to use the large plate glass to make a large dressing mirror in the future. In this way, it would be no problem even if it was used as a tribute, and it would definitely be used in

While selling at sky-high prices, it can also shock the business world.

However, the craftsmen's experiments ended in failure. They tried many times, but in the end they failed because the stress could not be handled well and cracked during annealing. Therefore, making such large-area flat glass was not as easy as Yu Xiaotian thought.

After Yu Xiaotian learned the result, he was not too disappointed. Although he couldn't make a large full-length mirror, this two-square-foot glass mirror is already quite good. Many things cannot be accomplished overnight and require a lot of time.

Only through gradual exploration over time can the technology be gradually improved.

Some time-travel novels say that pig's feet are like gods, and that all kinds of advanced gadgets can be created overnight. This is simply impossible.

He has been here for two years and knows that even if he knows a lot of things, in this era, it is not easy to copy what he has learned. More often than not, the knowledge he knows is more

There is mostly theoretical knowledge and no practical experience, so if you want to make something new, you also need a process of gradual exploration and perfection.

When he walked into the glass field, a heat wave hit his face. Compared with the iron work and artillery work, the temperature here was not low at all, and even worse.

The craftsmen are busy in the work shed and dare not go shirtless. The temperature of the glass liquid is extremely high. If it touches it even slightly, it will cause severe burns. For this reason, at the beginning, some craftsmen were accidentally burned, so now they are working here.

Craftsmen must wear thick canvas clothes and a piece of whale skin as a cover.

Therefore, the working conditions here are very harsh, and the craftsmen will suffer from heat stroke if they are not careful. Therefore, there is a large water tank at the door of the work shed, with several water ladles thrown in, filled with cold boiled water for the craftsmen to use at any time.

Come out and have a drink.

When Yu Xiaotian walked into the work shed, several bowsmiths were each holding a hollow iron pipe. After soaking some glass liquid, they blew hard to slowly blow the glass liquid, and then rolled it repeatedly on the iron plate.

And use some tools to shape it.

The piles of glass fragments on the ground are all scrapped works, but so far, they have not produced a few decent glass products.

As soon as he saw Yu Xiaotian, the steward here trotted up to Yu Xiaotian and was about to kneel down in front of Yu Xiaotian. Yu Xiaotian quickly stopped him and said: "No! Don't be polite, it's everywhere here.

Broken glass, don't hurt your legs! Be careful! No one will kneel here from now on!"

All the craftsmen hurriedly thanked him, stopped what they were doing, and bowed their waists with smiling faces, waiting for Yu Xiaotian to speak. Many of them had anxious looks on their faces.

Yu Xiaotian looked at it and waved his hands and said: "Just keep doing what you have to do. Don't delay things just because I'm here! How about it? Senior management, how was the work here during my absence?"

The senior executive used to be a pottery maker. After arriving here, he first helped to bake bricks and pottery for Hailang. He was also somewhat good at making porcelain. He was honest, down-to-earth and hard-working. After being discovered by Yu Xiaotian, he handed over the glass factory.

Gave him management.

The senior executive looked embarrassed and apologized to Xiaotian: "You are incompetent, this job of glass blowing is really difficult! During the period when the boss is away, the juniors don't dare to be lazy, they try to blow every day,

However, only a few vases were blown out. If the shape was slightly more complex or larger, they would be damaged!

On the other hand, the flat glass used for mirrors is better. I have made a lot of it during this period, but I can't make it any larger! It will always break during annealing!"

Yu Xiaotian looked at a few glass vases they had blown. These vases were not large in size, and the walls were relatively thick. The shape was so-so, but not exquisite enough. However, in this era, it was considered relatively good. This shows that

These craftsmen really thought of a way and experimented for a long time.

Glassblowing is not something that just anyone can do. It requires a large lung capacity, quick hands, some artistic attainments, and a rough idea of ​​the shape you want to make.

These workers are all novices. They have never even seen such a thing as glass before. Now asking them to do the work of glass blowing is obviously a rush to get the goods on the shelves. It is understandable that they cannot do it well in a short time. Even if it is

Now let Yu Xiaotian, a giant in language and a dwarf in action, do it, he will still be blind.

So Yu Xiaotian didn't get angry. Instead, he praised the senior management and the workers here and tried to help them.

Looking at these useless glass products, Yu Xiaotian sighed, and turned to the senior management and said: "I forgot one thing before I left. In fact, you don't necessarily have to use blowing to make glass. There is another way to make it easier."

It's more convenient, but I forgot to tell you at the beginning!

I am here today to tell you this method. In the future, we can try to use the molding method to create some simple-shaped glass products!"

"Molded?" The senior executive looked confused.

Yu Xiaotian saw that he didn't quite understand, so he explained: "Molding is to first make a mold with copper and iron, and then put the glass liquid into it. The female mold and the male mold are squeezed against each other, and the glass liquid is squeezed out.

Press molding! This method is very simple. Just ask Tie Zuo to help you make some molds, and then you can mass-produce various glassware!"

The senior manager understood what he understood now, slapped his head and shouted: "Oh my god, that's it! How did the boss come up with it? Why didn't we guys think of it? This method is wonderful! If only we could make a few tricks."

The mold will come out as soon as you press it, haha! Master, you are really a master!"

Yu Xiaotian looked at the overjoyed senior executives and felt a little proud. He, a pirate, now easily steals the research results of future generations and takes them as his own. He doesn't know that he will destroy them in the future.

How many people's jobs are there! But now he will not tell others that this is the result of his piracy and stealing other people's wisdom, so he happily accepts the compliments of senior executives.

As for the production of glass mirrors, it is now continuing to be produced steadily. The finished glass plates are sent to another workshop and placed in an iron plate, which just blocks the glass plates. After sewing the edges, the workers

Spread a piece of tin foil flatly on the glass plate, flatten the tin foil so that it is tightly combined with the glass without leaving any air, and then pour the ready-made mercury into the tank to cover the entire glass.

Then they wait for the mercury to react with the tin foil. This process is relatively long and takes at least half a month. Therefore, the iron maker can only help them build many such troughs made of iron plates, otherwise it will not be possible to make them.

Glass mirror formation in glass field for continuous production.

When Yu Xiaotian came back this time, dozens of glass mirrors had been made here. This kind of glass mirror made of mercury and tin foil could not be compared with the glass mirrors of later generations in terms of quality, clarity and reflectivity.

They are not as good as the glass mirrors of later generations, but in this era, this thing is already a high-tech product. So far, only Tunisian glass craftsmen and French glass craftsmen know this, and they have strictly implemented technical blockades.

, Yu Xiaotian’s current glass mirror is definitely the third in the world, so there is no need to worry about lack of sales.

Yu Xiaotian simply took a look at the production situation of the glass factory and told the senior executives about the molding method. As for what kind of mold they wanted to make, Yu Xiaotian just made a big fuss and left it up to them.

It’s been a toss up.

After all, people’s tastes at this time are very different from those of later generations. If he intervenes in everything, people of this era may not like the things he makes. So if he is free, he can give his opinions.

, but it is better to leave the main design to the craftsmen of this era.

In addition to the glass field, Yu Xiaotian mounted his horse and headed straight to the east coast with his bodyguards. In order to avoid burning seaweed to obtain seaweed ash and excessive smoke and dust affecting the living area, the burning of seaweed was placed on the east coast of the island.

And there is the most seaweed there, which is more suitable for this.

Yu Xiaotian is somewhat better at riding now, and is no longer as nervous as the first time he rode. However, his level is limited to the fact that the horse will not fall off when jogging. If he is allowed to ride this thing into battle,

To kill the enemy, he can probably kill himself without anyone having to do anything!

Wandering all the way, when they arrived at the place, Yu Xiaotian saw seaweed spread out to dry everywhere on the beach. Some people were still fishing for seaweed on the beach, while some people were constantly checking the seaweed that had been fished ashore and drying it.

The seaweed was pulled to several fixed locations and thrown into the fire to be lit.

The smell of burning seaweed is very unpleasant, and there is a strong fishy smell in the air, but for people living by the sea, this is nothing and will not affect the people working here at all.

There is a cave on the east side of the island. The burned plant ashes are put into large wooden barrels, pounded hard, and transported to the cave for storage. These workers are actually family members of the fishermen on the island, mainly women and children. They usually

You can't go fishing with the boat. When your family members go fishing, they have nothing to do. They can only take care of some small fields, grow some vegetables or simple grains to supplement the family income;

Now that there is a matter of burning seaweed to collect ashes, they are recruited to use their free time to do some work. Sea Wolf pays them a small amount of money. Although the labor cost is very low, it is another way for them.

It is a way to subsidize family income, so the families of fishermen on the island are still happy to do these things.

Yu Xiaotian took a look at the cave and found that there was indeed a lot of plant ash accumulated inside. This stuff was the raw material he used to replace soda ash. Others looked down upon it, but to him it was a good thing.

(Today, I would like to express my special thanks to Steppen Wolf and two friends from Kashgar for their rewards!)

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