Chapter 507: Yang Jie's Spirit!
Yang Jie, Liu Jianqing, Zhang Kelong and others also surrounded and looked at this part.
Seeing that the parts processing surface is so beautiful, the members of these expert groups nodded one after another, the surface quality processing is so good, all sizes, and all technical conditions are really qualified.
"I'll come, I'll come. Tang Zhengwang gently pushed away the inspector's will, picked up the measuring tool in person, and measured it with his own hands.
These inspectors looked at Wang Yonglin and Yang Jie, and opened their mouths to say something, Yang Jie waved his hand and said, "Let Expert Tang come to test first." ”
Tang Zhengwang is not empty words, he personally measured the size one by one, and the action is skilled, the application of measuring tools is very standardized, even Wang Yonglin nodded lightly, thinking in his heart, this Tang Zhengwang is worthy of being a technical expert, and the application of various measuring tools to measure it is called a flowing water!
According to the parameter standards on the process card, Tang Zhengwang measured down one size by one, and when he measured a few more critical sizes, that is, a few sizes that were often out of tolerance in the past when he was processed in Liming Engine Company, Tang Zhengwang said softly, repeated the measurement several times, and concluded that he was not wrong, Tang Zhengwang couldn't help but look at Wang Yonglin a few more times.
Liu Jianqing couldn't help but hurriedly asked, "Expert Tang, how is the situation?"
Tang Zhengwang put down the measuring tool in his hand and sighed: "Amazing, amazing, all sizes are not only qualified, but also the foundation is poor, it's really amazing!"
The foundation is all medium-poor!
The members of the expert group were also wide-eyed.
Tang Zhengwang said: "I still have the inner circle runout has not been measured, if the inner circle runout is also qualified, then the processing of this process, I have to say that it is very perfect." ”
Wang Yonglin said with a smile: "Then let's measure the beating of the inner circle." ”
This set of processing technology is Wang Yonglin and Konstantin and other technical experts to complete, many of the processes are from the Rolls-Royce company for many years to accumulate the process to make improvements, Wang Yonglin is naturally extremely confident.
"Okay, let's measure now!" After speaking, Tang Zhengwang personally twisted the parts and came to a large measuring platform not far from him.
This is a marble platform, the flatness is within a few thousandths, the measurement of some parts, such as the height measurement is measured here, and there are several precision measuring instruments on the marble platform.
Tang Zhengwang twisted the part, put the part on this precision turntable to measure the beating of the part, and the action was called a standard skill.
After installing the dial gauge and aligning the parts, everything was in order, everyone gathered around, watching Tang Zhengwang's operation, and couldn't get started on the basis.
After a while, Tang Zhengwang gently touched the dial gauge head to the outer circle datum of the part, pressed the gauge about a dozen wires, and then gently rotated the precision turntable, and gently knocked the parts with a small mallet from time to time according to the beating of the dial gauge.
The parts are gradually aligned completely, the beating of the dial gauge is almost invisible to the naked eye, if you don't look carefully, you really can't see this slight jump, and the runout is determined to be within a trace, it may still be within five thousandths.
"The outer datum of this part is well machined, very round, and the runout does not exceed 5 thousandths. Tang Zhengwang couldn't help but say praisefully, his tone revealing admiration.
It is not easy to process the outer circle of more than 270 millimeters into such a circle, and Tang Zhengwang is an expert in machining and knows how difficult it is.
Wang Yonglin said: "Tang expert, the part benchmark has been completely corrected, let's measure the beating of the inner circle of the part." ”
"I'm here in person. ”
Tang Zhengwang still operated in person, using another dial gauge to contact the inner circle of the part with the gauge head, or pressing the gauge more than a dozen wires.
How big is the pressure gauge is very particular, too big is not good, it affects the sensitivity of the dial gauge, it is too small, it may not be measured correctly, it is best to press the gauge more than a dozen wires, Tang Zhengwang is experienced, the pressure gauge is more than a dozen wires.
After pressing the table, Tang Zhengwang began to gently turn the precision turntable, and a pair of bright eyes looked at the two dial gauges carefully at the same time.
Everyone also looked at the two dial gauges with bated breath, and the answer was about to come out.
When Tang Zhengwang gently rotated the precision turntable, the two dial indicator hands had almost no reaction, at most they shook slightly.
The look of consternation on Tang Zhengwang's face became more and more intense, he turned around again, and said, "This is impossible...... Hell, I'm going to measure it again!"
When Liu Jianqing saw this scene, he knew that the parts of this flame cylinder were of excellent quality, and he was in a good mood, and said with a smile: "Expert Tang, all this is measured by you personally, and the two dial gauges are installed by you personally, there will be no mistake!"
Tang Zhengwang patted his head and said, "I'm really confused, I personally checked and installed these two watches, and there will be no mistakes." ”
He turned back to Wang Yonglin and said: "Mr. Wang, the process you use is indeed very remarkable, much more advanced than the process used by our Liming Engine Company, and the quality of parts processing is very good." ”
He paused and said: "Although your processing is very good, but there is still finishing to be carried out in the follow-up, in case the parts are deformed in the follow-up process, there is no room for recovery, so I still hold a reservation attitude." ”
Yonghan Aviation Power Technology Co., Ltd. has now processed all the inner circles of the flame cylinder to the design size, and there is no margin for rework at all, and Tang Zhengwang still maintains a suspicious attitude.
Liu Jianqing also glanced at Yang Jie at this time: "Then let's start the next process." ”
Yang Jie smiled and said to Wang Yonglin: "Then let's start." ”
Although he is not an expert in machining, but the set of process standards compiled by Yonghan Aviation Power Technology Co., Ltd. is the company's more than a year to explore, he is naturally recognized and confident, because he has processed dozens of sets before, he is naturally very confident.
Wang Yonglin knew that everyone was looking forward to it, and he was not confused, and said to Zhang Xinyuan on the side: "Director Zhang, hurry up and arrange the next process." ”
Zhang Xinyuan was also very neat, and immediately instructed the technical staff to come over and move this part to another ultra-high-precision lathe not far away.
Zhang Kelong noticed this ultra-high-precision CNC lathe, and couldn't help but say: "Good guy, it's another ultra-high-precision CNC lathe!"
Liu Jianqing glanced at Yang Jie: "Tell me, how much money have you personally invested in Yonghan Aviation Power Company in the past two years?"
"I promised Mr. Wang that I would allocate 10 billion yuan every year for them to develop aero engines for ten years until the company began to achieve profitability. ”
Yang Jie said.
"......" Liu Jianqing also stopped, and said after a while: "Your kid's courage is really unmatched!"
The operation of this CNC lathe is also a more experienced senior technician, as soon as the parts are moved, he immediately skillfully installed the parts on the fixture, and did not have ten minutes to install the parts properly on the clamp.
The fixture on which the parts are installed is obviously a specially designed special fixture, and the expert group was impressed when they saw this fixture.
"This is a special number of car fixtures specially designed and made by you? ”
"Yes, it's a fixture that we made ourselves. Wang Yonglin said.
Tang Zhengwang also didn't see it clearly, "The fixture looks very good, but I still haven't seen how you can control the processing and deformation of parts in this process, whether it is relying on this special fixture, I don't look like it." ”
Everyone was waiting for Wang Yonglin's reply, and Zhang Xinyuan's rough voice sounded outside, "Leaders, please let go, this thing is hot." ”
Everyone followed the reputation, only to see Zhang Xinyuan personally with two workers, each worker was carrying an iron bucket in his hand, the barrel was obviously filled with a lot of things, the workers were wearing heat-insulating gloves on their hands, and the contents of the bucket seemed to be very hot.
Everyone got out of the way, and when the two workers came in, everyone looked into the iron buckets, only to see that inside each iron bucket was half a barrel of viscous white gelatinous stuff that had melted.
"Originally, you were going to fill the cavity with paraffin......
Tang Zhengwang showed a sudden expression on his face, and then shook his head gently, "Mr. Wang, I'm afraid you are going to plant it this time, we tried this kind of measure when we were processing the flame cylinder, and the effect was very poor." ”
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