Audi Q7 stopped at the entrance of the elite building of the collective dormitory community, there are basically no vehicles in the collective dormitory community, there are many parking places, the door of the elite building is even more spacious, more than a dozen parking spaces are empty, and a van is parked.

After parking the car, Li Tianfeng hurriedly got out of the car, looked at the time and had dinner time, thinking that he had made a windfall today, and decided where to go to have a good meal tonight and treat himself well.

While thinking like this, I walked towards my dormitory, went upstairs, entered my dormitory room, threw myself on the bed, and relaxed my whole body, which was also a good feeling.

……

Collective dormitory area, due to the end of work, many people have come back one after another, the whole dormitory area is gradually lively, Audi Q7 is too conspicuous, anyone who passes by here will be immediately attracted to the eyeballs, especially those who live in the elite building, the heart is even more curious.

"Whose car is this! Or a new car! ”

"Audi Q7! The magic car in my mind! ”

"Wow, such a luxury car is actually parked in front of our elite building, won't it!"

"I didn't dream that I would see an Audi Q7 here!"

“……”

Ouyang Feifei also got off work, bouncing, in a good mood, thinking about inviting Li Tianfeng to eat together after work, since the movie theater, Ouyang Feifei has completely regarded herself as Li Tianfeng's girlfriend, thinking of Li Tianfeng she likes, Ouyang Feifei feels very happy.

Happily walked to the door of the elite building, and saw the new Audi Q7 car parked at the door, Ouyang Feifei couldn't help but look at it curiously, and thought to herself, who is so rich and drives such a good car.

After a few curious glances, Ouyang Feifei pretended to be Li Tianfeng in her heart, stepped upstairs, and did not call Li Tianfeng, anyway, Ouyang Feifei also lived in a collective dormitory, and the residence between the two was not far away, and she went straight to the door of Li Tianfeng's room.

The door didn't seem to be locked, Ouyang Feifei pursed her lips and smiled, gently pushed open the door, and after entering the room, she heard the sound of rushing water from the bathroom, and Ouyang Feifei's heart jumped inexplicably.

"Who!" Li Tianfeng's voice came from inside the bathroom, and there was no response after asking, Li Tianfeng thought that it might be some livestock in the dormitory next door, so he didn't mind.

Wearing boxers, his well-proportioned figure was exposed, and there was a big bulge inside the boxers, Li Tianfeng took a dry towel and walked out while wiping his wet hair.

"Ahh Seeing Li Tianfeng, who was only wearing a pair of boxer shorts, Ouyang Feifei exclaimed softly, and her face instantly turned red, like a big red apple.

Seeing that it was Ouyang Feifei, not a certain animal in the dormitory next door, Li Tianfeng felt strange in his heart, seeing his appearance, he couldn't help laughing, and then seeing Ou Feifei with a slightly red face, Li Tianfeng's heart moved, and he deliberately said: "Okay, Ouyang Feifei, you deliberately came over to see my brother take a bath!" ”

Ouyang Feifei was anxious, "No, people didn't deliberately come over to see you take a bath, they came over to invite you to eat together." ”

"Really." Li Tianfeng took two steps forward, at this time Li Tianfeng's mentality was completely different from before, it may be that the man has money in his pocket, he is bold, and his waist is straight, Li Tianfeng is basically the same, a few steps forward, almost sticking to Ouyang Feifei and said: "Really." ”

"Really." Ouyang Feifei's voice was very small, almost like a mosquito.

With one hand around Ouyang Feifei's thin waist, Li Tianfeng thought in his heart, Ouyang Feifei's figure is really good, how thin and soft this waist is.

Ouyang Feifei didn't resist, almost completely obedient, and said softly: "Brother Li! ”

"Well, Fei Fei, you're so beautiful." Holding such a beauty, Li Tianfeng was not moved in his heart, it must be fake.

Looking at Ouyang Feifei's delicate lips and beautiful face, Li Tianfeng kissed it gently, at first, both of them were very rusty, but as Li Tianfeng's tongue slid into Ouyang Feifei's lilac mouth, they gradually became proficient.

After kissing for a while, Li Tianfeng was naturally unwilling to be like this, and his two big hands were not restless, first Ouyang Feifei's round and straight buttocks, and then, a big hand reached into Ouyang Feifei's clothes, caressing the delicate and smooth skin inside.

The two of them have almost completely forgotten their love, Ouyang Feifei's clothes are mostly untied, the pink bra~ cover is also untied, and one of Li Tianfeng's big hands finally climbed to the peak.

Ouyang Feifei's breasts are not big, but they are very delicate and elastic, Li Tianfeng is a little addicted to them, stroking and refusing to let go, a mountain peak can be held with just one hand, and the shape is constantly changing in Li Tianfeng's hands.

"Brother Li!"

Ouyang Feifei was ** for a while, her whole body was almost trembling, and the last trace of reason made Ouyang Feifei hold down Li Tianfeng's big hand that was deep in her underwear.

"Brother Li, don't, don't!"

Li Tianfeng's big hand was reaching in, and the liquid in one hand was completely soaked, and Ouyang Feifei pressed this big hand hard.

Li Tianfeng also came to his senses, seeing that Ouyang Feifei was very nervous and pressed his big hand hard, Li Tianfeng didn't use force, and kissed Ouyang Feifei, Li Tianfeng said, "Feifei, I'm sorry just now." ”

"Brother Li, I don't blame you." Ouyang Feifei hugged Li Tianfeng, leaned her head on Li Tianfeng's chest, and the two hugged like this, quietly hugging.

"Gollum ......."

Hearing such a voice, the two looked at each other and smiled, Ouyang Feifei said: "Brother Li, you're hungry, let's go, I'll invite you to eat." ”

Li Tianfeng nodded and said, "Let's go to the city to eat, I'm in for a treat, I want to eat the best food." ”

Ouyang Feifei sneered, then looked at her messy clothes, her face turned slightly red, she carefully sorted out her clothes, and Li Tianfeng also found clothes to put on.

The two walked out of the dormitory hand in hand and walked downstairs.

"Brother Li, we're going to squeeze the bus again." Thinking about going to the city for dinner, Ouyang Feifei thought about squeezing the bus.

"This time we don't have to crowd the bus, this time we'll drive there."

"Drive there?" Ouyang Feifei looked puzzled.

Li Tianfeng didn't explain, because the two had already gone downstairs and saw the Audi Q7 off-road vehicle parked at the door of the building, in Ouyang Feifei's doubts, Li Tianfeng opened the co-pilot's door and said, "Feifei, get in the car." ”

"Brother Li, this is your car." Ouyang Feifei looked incredulous.

Li Tianfeng smiled happily and got into the car, "Feifei, this is my car, I just bought it this afternoon, and you are the first passenger." ”

"Brother Li, this car is so expensive, where do you have so much money?"

Li Tianfeng said jokingly: "If I say that I won the jackpot by buying a lottery ticket, do you believe it or not." ”

"Hee-hee, I don't believe it."

"Let's go to the city for a big dinner."

……

E factory, precision machining center.

The new broaches for processing the first-stage turbine disc of the turboshaft C engine have been sent over, neatly placed next to the vertical broaching machine, and Li Tianfeng is personally inspecting them one by one.

After carefully inspecting it, Li Tianfeng nodded, these broaches were generally quite satisfied, and Master Yan, who operated this broaching machine, asked carefully: "Li Gong, are these broaches okay?" ”

Li Tianfeng said: "Barely meet the requirements, in this way, first pull the adjustment sample and the projection sample, and then take a look at the situation." ”

Master Yan has more than ten years of experience in pulling workers, and he is also a master, hearing this, Master Yan nodded and said: "Li Gong, then I will install the broach immediately." ”

All broaching machines are almost the same, there is a knife groove for broaching knives, and this vertical broaching machine is the same, but the knife groove of this broaching machine is relatively short, only one meter five in length, unlike those advanced broaching machines, the knife groove is several meters, or even ten meters long, and a stroke is more than ten meters.

If you have such a large stroke and such a long tool groove, you can put all the broaches in order at one time, and you can machine the tenon and groove in place at one time.

The length of the knife groove of about one meter and five can only be loaded with a knife box, and a knife box can be filled with three broaches for rough processing, all of which are three grooving knives.

Eleven broaches for processing tenon and groove, a total of five knife boxes, in order divided into No. 1 knife box to No. 5 knife box, the broach is basically fixed after being installed in these knife boxes, when it needs to be replaced, as long as the knife box is changed, the knife box is changed, and the broach is changed accordingly.

This drawing process is not a little cumbersome and complicated.

It is very particular about installing broaches, and it is also very cumbersome, and it is necessary to process and adjust the sample and projection sample before starting to formally process the part.

The adjustment sample is used to adjust the distance between the fixture and the broaching machine, which is very important in the processing, such as the tolerance of the center distance between the tenon and groove of the first turbine disc of the turboshaft C engine is ±0.05, and the center distance of such high precision is guaranteed by adjusting the distance between the fixture and the broaching machine.

"Li Gong, it's already good, then let's start to pull and adjust the sample." Master Yan asked Li Tianfeng for instructions.

"Start broaching and adjust the sample."

After some busyness, the first tenon of the adjusted sample was pulled out, and Master Yan checked it and said: "Li Gong, the distance is 0.2 mm smaller." ”

"Adjust the fixture and pull another tenon and groove on the adjusted sample." Li Tianfeng said immediately.

Master Yan adjusted the fixture according to the words, and then he was busy, and pulled a tenon groove, after measurement, the distance is basically within the qualified range, as long as the fine-tuning can be done, to ensure that the center distance of the formal parts is within the range of the middle difference.

The adjustment of the sample is considered to be the completion of broaching, and the next step is to pull the projection sample, which is much more difficult than the broaching adjustment sample.