Start with the aviation industry

Chapter 20 Preparing for processing (continue for three more, you all understand)
As a designer of fixtures and fixtures, He Feng is a professional. After understanding what was going on, he pondered for a while and said slowly.

"Director Jiang, I don't recommend doing this."

What, you don't suggest doing this. This is one of the plans we decided after discussion. It was rejected just like that. Jiang Haitao was a little bit unwilling.

"Why, tell me your reason."

He Fengdao, "I know that the main casing of the six-piston engine is a key and important part. Among the series of processing procedures, the processing of these positioning holes is the most difficult. These holes not only have high precision, but also require high positioning accuracy. High, they still have an angle, and the position of 10 wires can be guaranteed by the jig, which is more dependent on the technical level of the workers."

"You have processed two parts in succession, both of which are unqualified. This shows that the technical level of the operators has not met the requirements. Even if you refine the drilling jig, the processed parts may still be unqualified. If you insist on doing this, I think the risks are enormous."

Jiang Haitao fell into deep thought and remained silent for a long time.

As a technical deputy director, his technical attainment is actually not low, and he faintly feels that the risk is extremely high, but under the current situation, there is really no better way, so he wants to take a risk.

After being splashed with cold water by He Feng, Jiang Tao also calmed down, feeling that this plan was indeed too risky.

At this time, Wu Weiqing came over.

Careful people can find that Director Wu's morale was low before sweeping away, his face was full of relief, and he could even see that there seemed to be a hint of joy on his face.

All of these show that Director Wu is in a good mood!
Jiang Haitao was puzzled, and asked, "Old Wu, you found money on the ground."

Wu Weiqing smiled and said, "It's nothing to pick up money. The reason why I'm so happy is because the problems we faced have been solved."

what!
Has the problem been solved?

How did you solve it? ? ?

Not only Jiang Haitao, but also Tian Mao, Liu Ziming, He Feng and others all looked at Wu Weiqing. Obviously, they all wanted to know the answer.

How did such a difficult problem be solved, and who solved it?
Jiang Haitao seemed to guess something, and asked happily, "Old Wu, is there a way for Xiaolin to make these parts really machined by CNC?"

"Yes, it is indeed possible to use CNC for processing. Xiaolin really did not disappoint us."

Wu Weiqing briefly explained the situation. Immediately, everyone's expressions lightened, and the pressure they faced seemed to dissipate all of a sudden.

Jiang Haitao even said, "I'm looking forward to the CNC machining in the afternoon, and I must take a look at the machining of these parts in person."

Wu Weiqing nodded in agreement, and ordered, "Master Liu, please move all these parts to the imported five-axis machining center."

Liu Ziming felt relieved, finally he was not used to process these parts, this hot potato was finally out of his hands, he said happily, "Okay, no problem!"

This batch of parts consisted of more than a dozen main casings, and Liu Ziming pushed them all over with a cart one by one, and placed them neatly in the open space next to the five-axis CNC machine.

Of course, this has attracted the attention of some workers, and some people can't help discussing it quietly.

"This is the main casing of the six pistons, isn't it necessary to use this CNC equipment for processing?"

"The processing of these parts is not easy. They are the key and important parts of the six-piston engine. Can they be processed by this CNC equipment?"

"I really want to come over and have a look at what the CNC machining of this batch of main casings looks like."

"."

When some workers couldn't help talking quietly, the work was carried out separately, and the boring tools, simple fixtures, etc. needed for processing began to be ground or manufactured.

As for Lin Feng, he is doing CNC programming.

On the big table, the design drawing of the main box was spread out, and the processing procedure of this process was also opened. Lin Feng was programming with a serious face while holding a blank paper.

The numerical control program was written line by line on this white paper, very neatly, and after a while, Lin Feng wrote twenty or thirty lines in one breath.

Compared with the milling process of the turbo-shaft and eight-axis-flow impeller blades last time, the CNC machining program for the six-piston main casing is much simpler. It takes about three or four 10 minutes, a total of more than 100 lines, and Lin Feng wrote them all in one go.

Logically speaking, whether it is a process specification or a NC programming, it must be signed at three levels, that is, it must be proofread, reviewed, and confirmed to be correct before it can be put on site for processing.

But at Lin Feng's place, he could only make some changes, compile and proofread by himself, because no one could understand it. Even if there were a few technicians in Workshop 406 who knew a little bit of CNC machining, how could they be qualified to proofread the programs compiled by Lin Feng.

in the afternoon.

As soon as he got to work, Lin Feng went directly to the production site. Hu Xiaoxiao and Ma Xiaoli were already there beside the five-axis CNC machine.

Seeing Lin Feng approaching, Ma Xiaoli first asked curiously, "Master, there are so many parts next to our machine tool, are they going to be processed on this machine tool?"

Lin Feng nodded, "This is the first time our machine tool has formally processed parts. You two should borrow the processing card."

The processing of each process has a corresponding processing technology card, and the workers follow the requirements on the processing technology card.

The two borrowed the processing card together, Lin Feng nodded and said, "I am now inputting the NC program, and you can watch it and learn along the way."

Therefore, Lin Feng entered the program line by line on the machine tool, and the two apprentices stood aside, typing, and Lin Feng would also explain some input operations.

After inputting one or twenty lines, suddenly, Lin Feng's nose sniffed lightly, and said in his heart, it smells so good, this smell is really good, I don't know if it's from Hu Xiaoxiao's body, or from Ma Xiaoli's body fragrance.

The fragrance came from Hu Xiaoxiao's body. She applied cream today, covering her face and hands. Because she was relatively close, Lin Feng could smell the fragrance.

Coincidentally, Hu Xiaoxiao saw Lin Feng sniffing his nose, and immediately understood what was going on, and her fair face blushed slightly.

Fortunately, Lin Feng just sniffed lightly, and didn't take any further actions. He seemed to focus on the input of the NC program. Hu Xiaoxiao felt relieved, and thought in his heart, if he wanted to go to work in the future, he should wipe as little as possible. Cream it.

Because it is necessary to explain and input at the same time, the speed is not fast, and the program of more than 100 lines is not completed until [-]:[-].

To be on the safe side, Lin Feng checked it carefully. Jiang Haitao, Wu Weiqing and others came over just after checking the input NC program.

(End of this chapter)