"Jianguo, what's the problem?" Gao Wangshan asked anxiously.
Xu Jianguo didn't answer his question directly. Instead, he said, "Director Gao, please don't be so anxious! Could you please introduce to me the masters who are responsible for producing parts?"
After hearing what Xu Jianguo said, Gao Wangshan was slightly stunned. He didn't know what he meant, but he still said, "Master Zhang, Master Zhou, Master Wei, come here!"
Three men walked out of the crowd. They were about the same age and looked to be in their forties.
Xu Jianguo nodded to the three men and said, "Masters, could you tell me about the difficulties you encountered when producing this part?"
The three of them looked at each other, then looked at Gao Wangshan who was standing next to them, with a conflicted look on their faces.
"Masters, don't think too much. We are here to solve the problem today, so you must not hide anything. Only by finding the key to the problem can we solve the difficulties faced by the factory. Otherwise, if the production task is really delayed, it will be a disgrace to the workers of the entire Red Star Machinery Factory!" Xu Jianguo said.
After the three of them hesitated for a moment, the master named Wei spoke up, "Young man, let me tell you..."
After Wei Dahai finished speaking, Xu Jianguo became more certain of his previous guess.
It turned out that the order that Hongxing Machinery Factory took over this time was for a part used in a tractor gearbox from the Provincial Second Agricultural Airport.
This is a completely new gearbox design, and some key components have been redesigned.
The parts they are currently producing have four newly added rounded corners, which causes the three craftsmen to spend a lot of time processing them.
According to the drawings of the new parts, the average processing time of the three masters can reach one hour. Not only that, the qualified rate of the finished products is particularly low, less than 50%.
Assuming that each person is required to produce ten parts per day, the three masters have to work for more than ten hours a day, not counting their lunch breaks, which makes the three masters miserable.
Xu Jianguo thought for a moment and then asked, "Director Gao, could you please tell me what the unqualified parts were for the parts produced by the three masters? Are the unqualified parts produced by each of them similar in some way?"
"Jianguo, what do you mean?"
"What I mean is that the processing of a part requires different processing techniques. For example, are the unqualified parts produced by Master Wei always in similar places, or does the problem occur in the same place every time? Is it the same for the other two masters?" Xu Jianguo explained patiently.
Before Gao Wangshan could say anything, Wei Dahai quickly said, "Yes, yes, that's right. I always have problems with the filleting process, but Lao Zhang and Lao Zhou have no problems."
"Well, I always have problems with deburring and centering holes during machining."
"I had a problem when I was changing the diameter, but they had no problem at all."
The other two masters started talking one after another.
Xu Jianguo nodded and said, "Director Gao, we've found the problem and it can be solved right away. Everyone, follow me!"
Xu Jianguo walked towards the lathe, and everyone followed him, even the two Russians.
Xu Jianguo called the three masters to his side and whispered a few words in their ears.
The three of them looked at each other, nodded, and then stood in front of the lathe.
"Masters, please give it a try according to the method I just described!"
"good!"
As the three machines started up at the same time, a piece of steel billet entered the first lathe for processing. After the deburring and center punching processes were completed, the billet was sent to the second lathe for rounding. After completion, the billet was sent to the third lathe for the final knurling process.
Half an hour later, a part was processed.
Gao Wangshan glanced at Zhou Huainan beside him, and noticed the shock in the other's eyes, and couldn't help but breathe a sigh of relief.
"Director Gao, could you please measure it?"
"Okay!" Gao Wangshan took the parts and led people to the side for measurement. At this time, the processing workshop was silent and everyone was waiting for the measurement results.
A moment later, Gao Wangshan came over quickly, his face full of excitement.
"Qualified, absolutely qualified!"
With a "buzz!", thunderous cheers and applause rang out in the production workshop.
The three masters also held hands together, very excited.
These days, the three of them, as the most skilled workers in the factory, have been under tremendous psychological pressure.
As the parts passed the test, the pressure in the hearts of the three people was instantly released.
"Jianguo, thank you! Tell me how you did it?" Gao Wangshan said while shaking Xu Jianguo's hand.
"Yes, Jianguo, tell me, what's going on?" Zhou Huainan and Director Chen also came over and said with a smile.
"Mr. Zhou, Director Gao, and Chief Chen, the principle is actually very simple. I just made some minor adjustments to the production process of parts and let each master be responsible for the process they are best at. This way, we can save a lot of time in adjusting, modifying and replacing the cutter heads. The end result is that the product is qualified and the production cycle is shortened." Xu Jianguo said.
"It's amazing, it's really amazing. I'm a worker who has been engaged in mechanical processing for decades, but I couldn't think of such a simple truth. I'm really ashamed!" Gao Wangshan sighed and said self-blamingly.
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