Qin Tao was originally engaged in shipbuilding, but he got involved in the aviation industry and was not doing his real job. However, after chatting with Mr. Song, he was still very proud. In the future, he would do some business with 611, which could be considered as a subsidy.

By developing a military aircraft, you have done a good thing.

In the future, if Mr. Song and the others develop the J-10, free up their hands and develop vertical take-off and landing fighters along the way, it will be even more outrageous.

But these are things for the future. Now, of course, you still have to do your own things.

Mingzhou Shipyard.

The sound of crackling firecrackers started. Qin Baoshan stood on the newly built slipway and said loudly: "Today is the completion ceremony of our 100,000-ton slipway. Our President Qin has come back. Now, he is welcome to give us a speech.

"

Qin Tao had just come back and caught up with the ribbon-cutting. He was extremely excited. He looked at the brand-new two-hundred-ton cranes on both sides of the slipway, the shiny track below and the scaffolding that had been erected, and tried to calm down his emotions.

mood, and said: "For our Mingzhou Shipbuilding Industry Group, this is a new beginning! Now, the slipway has just been completed, and we will build a 10,000-ton aircraft carrier. Next, there will be ten people on this slipway.

Tens of thousands of tons of cargo ships, oil tankers, tens of thousands of tons of warships, and even tens of thousands of tons of aircraft carriers! Our big ship, Mingzhou Shipbuilding Industry Group, will also set sail and ride the wind and waves!"

"Now, I also announce that the first steel plate of the Chakri-Nalubet aircraft carrier has been officially cut!"

In the midst of his voice, the plasma cutting machine imported from abroad began to spit out flames. Compared with the oxygen acetylene flame, the surface cut by this kind of cutting is more neat, and it can even be welded without polishing. It is a good tool to speed up shipbuilding.

Although the contract has been signed, the start of construction still has to wait until Qin Tao returns. This is also because he has to wait for the new slipway to be opened.

After the cutting of the first steel plate was completed, everyone applauded again. Under the eyes of countless people, the crane lifted the steel plate to the hydraulic bed and began to form it. After it was pressed into a qualified shape, it could be welded on the slipway.

After Qin Tao announced the steel plate cutting, he looked at the shipowner's representative Steven who was in charge of supervising the work.

"Mr. Steven, do you want to say something?"

Although this 10,000-ton aircraft carrier was built for Siam, the Siamese also knew that their own technical level was unreliable, so they hired Westerners to supervise the construction.

Steven is from Vickers Shipyard in the UK. Although they did not get the order, they sent a representative to supervise the manufacturing, which was considered a kind of recognition.

Steven nodded. He walked towards the microphone and looked at the people below: "From now on, I will supervise the construction of this aircraft carrier. Although there are many places in the design drawings that use civilian standards, I will follow the standards of warships."

I will ask you for the quality of construction, and if there are any mistakes, they will be reworked! You can scold me behind my back, but as long as it does not meet my requirements, I will not give you a signature!"

Huh, who are you trying to scare?

After hearing his words, the boatmen below were a little disapproving. If they had not had contact with foreigners in the past, they might not be able to adapt. But now, the natural gas ship has always been manufactured under the supervision of foreigners.

Cong Gong and the foreigners chatted and laughed happily and responded appropriately. The foreigners all gave Cong Gong a thumbs up!

"For example, now that you have enough manpower, in addition to welding the hull, you can also weld the saddle tube test pieces inside the hull. I require X-ray inspection of these test pieces."

With the continuous development and growth of shipyards, various equipments are also available, including X-ray machines specially used to inspect welding quality. Everyone is used to X-ray inspection of test pieces, but this kind of saddle tube has never been used.

Pass!

After all, if you are not proficient in craftsmanship, problems can easily be discovered by sight, not to mention the X-ray machine.

Looking around the world, there is no shipowner representative who requires this kind of workpiece to be inspected with an X-ray machine. This Steven is just making things difficult for others!

What is a saddle tube?

In fact, it is a circular pipe that is connected with other pipes to form a tee. If it is thinner, such as a water pipe, just connect a tee connector directly. However, if it is a thicker pipe, you need to

Welded.

During welding, the contact parts between the inserted round tube and the inserted round tube need to be cut off to match. The cut in this part is the same as that of a saddle, so it is called a saddle tube.

This kind of cutting and welding both tests the welder's skills.

Steven is the most popular person in the new official's appointment, and he wants to show off his authority.

"In that case, I will weld a test piece and show it to Mr. Steven." At this moment, a petite figure came out.

"Cong Gong!"

Currently, Cong Ju is taking the lead on the natural gas ship. She did not participate in this lively ceremony, otherwise she would have to stand on it. After all, she is a senior executive of the shipyard. However, she is not interested in these and is just passing by.

Moreover, Cong Ju was wearing ordinary welder clothes, and with her thin figure, she was inconspicuous at all.

Qin Tao knew that Cong Ju was here to kill the spirit of the representative of the foreign shipowner, so as not to make the other party look arrogant.

"Gong Cong, please let me go." At this moment, another voice sounded: "If you come on stage, wouldn't it mean that there is no one else in our shipyard! I'll come first. If I can't do it, you can do it again."

Come next."

Welder Zhang Yang also stood up!

Cong Ju has been in Mingzhou for a long time. Under her words and deeds, she has brought up a large group of welders. Zhang Yang, like Zhao Changshui, is also an experienced welder at Mingzhou Shipyard.

Hearing Zhang Yang's words, Cong Ju smiled and was about to nod when Steven spoke: "No, I want her to weld. If there is no problem with her test piece, then this project will be exempted from inspection in the future. If

She can't weld well, all the welding pieces have to go through the X-ray machine!"

Going through the X-ray machine is not just a matter of words, nor is it just a waste of electricity. It requires film. All the saddle tubes of this aircraft carrier are photographed. The film alone costs tens of thousands of yuan!

Now, Steven fell in love with Cong Ju. In his eyes, the thin Cong Ju must not be very skilled. He was just hot-headed just now. As for the male welder who came forward later, he seemed to have a few

Like a brush.

"Mr. Steven, are you sure?" Qin Tao looked at Steven with interest. This guy wanted to show off his power first, but now he was directly tortured by Cong Ju. The scene must be beautiful.

Steven nodded: "Yes, that's her!"

"Sister Cong Ju, please show me your craftsmanship, and let Mr. Steven see it. Our Mingzhou Shipyard is a crouching tiger, hidden dragon."

So, countless people formed a circle on the welder's operating table next to the ship's platform.

Although it is a test piece, it cannot be wasted. What is being welded is a normal workpiece. Cong Ju said to the people on the side: "Excuse me, please prepare the materials, a two-meter-long six-inch pipe, and a one-meter-long four-inch pipe."

Tube."

Six inches and four inches are both imperial units. If converted into standard, they correspond to dn150 and dn100 respectively. The inner diameters are 150 mm and 100 mm respectively. The diameters of these two pipes are different!

This kind of welding is quite difficult. At this time, looking at the two pipes with different diameters, the expression on Steven's face became wonderful.

How is this going?

Could this humble-looking welder really be capable?

Steven was a little curious.

"Give me the angle grinder." Cong Ju continued.

When Cong Ju picked up the angle grinder with her delicate right hand, Steven couldn't help but said: "Don't you need to stake it out first?"

To weld two pipes together, they have to open an opening, which is similar to the ancient mortise and tenon structure. The opening is a complex curve. If it is described using mathematical knowledge, it is called a hyperbolic parabola, and the equation is x2/

a2-y2/b2=2z(a,b>0).

An experienced master craftsman will wrap the tube with a piece of paper, determine the size of the paper, then fold the paper in half, and then draw lines on the paper. After various operations, cut it with scissors, hold the tube again, and then draw with a pen

Draw out the curve, so that the shape of the opening can be determined. Only after the two docking places are drawn can it be cut. (Using this paper, the dimensionality reduction operation was successfully realized, and the three-dimensional shape of the nozzle was changed to

The two-dimensional plane of paper.)

Later, with the advent of computers, you could stake out the equation directly on the computer, that is, calculate the equation, print it out on paper, and make marks directly.

In the West, all kinds of complex curves for joints are almost laid out by computer and then processed. Some machines can even cut them automatically.

What now?

This short female worker actually wanted to do it directly? Or use an angle grinder? She probably just made a straight cut!

Thinking of this, Steven felt like he was watching a show. Watching this female worker cut it, he could see the problem, and it was even more difficult to look at it when it was welded.

Buzz! The angle grinder rang. Cong Ju held the vibrating machine in his hand and approached the side of the six-inch pipe. Then, sparks flew.

A loud noise came, and the flaky grinding wheel began to come into close contact with the six-inch pipe. Then, Cong Ju's hand moved habitually, and the sparks began to change direction.

Not a straight cut?

Steven was a little curious.

Cong Ju moved very quickly, and the angle grinder quickly circled the side of the six-inch pipe. Finally, when Cong Ju retracted the angle grinder, there was a bang, and the cut part fell down, revealing a

Kouzi.

When he saw the opening, Steven suddenly laughed: "The two sides are asymmetrical! What are you going to do? Is this a waste product?"

If you want to poke the four-inch pipe into the side of the six-inch pipe, you have to make an opening in the six-inch pipe, and this opening must be at least symmetrical on both sides, right?

"No. 6 saddle tube." Cong Ju replied, and then continued to cut one end of the four-inch tube.

Size six saddle tube? What is it?

Although Steven is the shipowner's representative, this is also his first day working here. He has not yet come into contact with the design drawings and does not know what the No. 6 saddle tube is.

However, everyone else was looking at Cong Ju with admiration.

“Cong Gong is so awesome.”

"I thought I could start my apprenticeship, but I didn't expect that I only learned the basics of Cong Gong!"

“Gong Cong, you are the person I admire most!”

Everyone is cheering, which means that this workpiece is not a waste product. Therefore, this asymmetric opening should be done intentionally. What kind of workpiece is this?

Suddenly, Steven reacted: "Does this require a certain inclination?"
To be continued...