PS: The name of the previous chapter is wrong, you need to wait for the editor to change it, you can't change it yourself, don't blame it.

Just think about it, because it's not something that can be done in a moment.

"High-pressure explosion-proof hose, this must be had, the later application is too extensive." Liu Hai sent Sun Aiguo away, sat down to read the book again, and pondered in his heart while reading.

The high-pressure explosion-proof hose is mainly composed of several layers of mesh film of different materials, two, four and six layers.

Modern use is generally two-layer nylon mesh, two-layer steel wire, or other composite materials, so that the explosion-proof hose is elastic enough, and the overall product is relatively soft.

The use of all-steel wire, the elasticity is slightly insufficient, the weight will be large, and the overall product is harder.

In fact, the whole product line is not complicated, first of all, it is a nozzle mold, with a heating and extrusion device, the rubber particles are extruded into the shape of a tube, and there will be the first film covering at the outlet of the nozzle.

Then enter the next step to heat the rubber particles and the second layer of lamination, so that you need to add a few layers in the middle.

Of course, it is very long, in fact, from the rubber particles to the finished product, it is only a few seconds, the key is the temperature of the mold, the running speed of the mold, the speed of weaving the covering net, several combined.

However, after this set of equipment, Liu Hai felt that he had been working alone for at least a year.

"Where's the handicraft workshop?" After the bangs, the technical difficulty is reduced.

This belongs to the kind of workshop of Pakistan Railway, this is very simple, first weave the structure of the lamination, and then put the laminating on the equipment similar to the sausage, the sausage is the position of the rubber tube, and the rubber tube begins to cover the film.

This has a disadvantage, that is, it can only produce as many lengths as it can be, fifty meters, thirty meters, and so on.

Explosion-proof high-pressure hose involves many industries, aircraft, ships, trains, all kinds of mining machinery, all kinds of processing equipment, is a threshold that cannot be bypassed.

Liu Hai decided to do it, he was still young, but the 500-ton hydraulic press was only hard connected with seamless steel pipes for the time being.

This means that the motor and everything else must be fixed and cannot be moved

But fortunately, the 500-ton hydraulic mobility is not very large, and the thickness of the rubber pad can also be increased in the seamless steel pipe joint to reduce vibration.

"Anyway, it's fooling Big Brother, it's not much of a problem to turn on and run for a few hours, or even ten days and half a month."

The next day, Sunday, when the others were still working overtime in the factory, Liu Hai went to Mr. Zhu's house to make up for the class.

"Brother, brother." Xiao Lin watched Liu Hai come on a motorcycle, and rushed out of the house as soon as he slipped away.

Liu Hai sensibly carried the little girl around, and the little girl talked about the kindergarten, and Liu Hai echoed it on the side.

"Teacher, this is my homework, I'll go to Petrov's side first, give you the car keys, you can ride as you like." Bangs handed the homework to the teacher and spoke.

When the little girl heard this, she looked at her old father.

"Go ahead, come to the house for dinner at noon." Teacher Zhu nodded.

On Petrov's side, several people gathered together when they heard that Liu Hai was coming, and this time Liu Hai asked for some fried peanuts from the factory canteen and put some sugar.

"Great." Petrov came up and took a big sip and said beautifully.

Small talk while going to class.

"Petrov, is it complicated to manufacture explosion-proof high-pressure pipes?"

"It's not that complicated, the key question is ......."

"That is, the design and manufacture of the mold is the key, and the running speed of each part is ......." A few foreign teachers drank two hemp and two hemp, and replied with a big tongue.

Liu Hai asked while studying: "Petrov, you said that the excavator rotates, so how is it connected to the machine below." ”

"It's a complicated technology, and it's a ......."

Before noon, Petrov and the others slept happily, and this place probably had ears, so Liu Hai asked about mechanical things.

Blowing the wind outside, there is a smell of alcohol on his body, Kyoto in September is not hot, and when I go back to the village tonight, Li Bing's clothes are ready, some new and some old.

Bangs thinks that this situation is very good now, there are partners, men, there are people who don't want women, the more successful the man, the more women.

It's a big trouble to get married, so it's the only way to mix it up, anyway, it's impossible for Wang Hongmei to marry herself, and she happens to be .......

"Is this kid my problem, or is it Wang Hongmei's problem?"

At noon, I had dinner at the teacher's house, and at five o'clock in the afternoon, Liu Hai rode a motorcycle and went to Li Bing to pack a sack of things, and Liu Hai went to the supply and marketing cooperatives to buy some things.

"It feels a bit like Bao Xiaosan?" Bangs rode a motorcycle, speeding down the road.

Having a motorcycle is fast, it is not dark yet, bangs will arrive home, this time take a day off, and return to the city the morning after tomorrow.

"Xiaohai, you're back." Hearing the movement of the motorcycle, the first person to come was the captain.

"What's wrong?" Bangs was washing the pot, and when he heard this, he spoke.

"I don't know what it is, the chickens and ducks in the village have been plagued, and several sheep have been harmed, and I told the township, and the township sent a militia, saying that it was a leopard, and I guarded it for two days, but I didn't keep it, and the sheep were lost." The captain spoke.

Liu Hai was not surprised at all when he heard this, now the forest has been cut down, and the animals at the bottom of the food chain are gone, and the only ones at the top of the food chain are to come to the village.

Liu Hai understood, and said, "Uncle, where did the leopard come from?" ”

"We've looked for it, on the east side of the pass."

"Nacheng, I'll go up the mountain tomorrow to have a look." Bangs nodded in reply.

"I'll send someone with you tomorrow." The captain spoke.

Bangs said, "Okay." ”

Wang Hongmei heard the sound of the motorcycle, came at night, looked at the clothes that Liu Hai got back, and asked while reaching out to touch it, "This is for me?" ”

"You take it back and change it, and put the old clothes and fabrics at home outside, otherwise it will not be good for others to see it." Bangs nodded and said.

"Uh-huh."

"What about you?"

"I'm going to hand out clothes in the factory over there." Liu Hai pondered, the motorcycle is going to be on the agenda, and the three-wheeled motorcycle can be on the horse, otherwise it would be terrible to think about riding this in winter.

Xiao Bisheng was newly married, back and forth several times, and his bangs were recuperating when he suddenly heard the sound of a gong outside.

"I guess the leopard is coming down the mountain." When Wang Hongmei heard this, she spoke.

"You go back to sleep." When Liu Hai heard that there was a leopard, Wang Hongmei suddenly stopped smelling, and got up as she spoke.

Liu Hai rushed out with a rifle and a submachine gun on his back, and when he came out, he found that the sky was already numb, but Liu Hai didn't go to see the excitement, but rushed directly to the pass.

A rapid march arrived at the pass, standing on the pass, you could see the torches and human voices in the village in the distance below the mountain, and then took out a tactical helmet, but the helmet was covered with a layer of camouflage cloth, and the battery was placed in the schoolbag on the waist.

"Two!" Soon Liu Hai found that there were two shadows running from the bottom of the mountain, which looked not small, and one after the other, they were still swimming, and they were holding a sheep, and the carcass of the sheep was still hot, and it was so clear in the thermal imaging.

(End of chapter)