The Rise of Heavy Industry 1980

"If you have any ideas, say it quickly!" Sun Baoquan said immediately.

"Do you want to ask someone from the Red Star Factory for help?" Zheng Deju grinned and asked tentatively.

"You mean looking for Wang Chaoyang and Zhang Miaomiao?"

"That's right. Just now I studied the problem of the milling machine, and I didn't tell Wang Chaoyang the background at all, he guessed the problem point of the milling machine just by the position I checked, which shows that this person is very familiar with the equipment...... Since we're in a hurry, we might be able to ask him for help. Zheng Deju said.

Sun Baoquan pinched his chin, revealing an extremely reluctant expression, "I don't want outsiders to know about the problem on the equipment, especially the people from the Red Star Factory, can't we really fix it with our own people?"

Zheng Deju sighed and didn't say much. His position is that of the workshop director, and he can make suggestions, but he has to wait for the factory director to make a decision. The problem with this drilling machine in front of us is not how to repair it, the key is that no one knows what the problem is so far!

Sun Baoquan saw the appearance of the people around him beating eggplants, and knew that no one knew what to do, so after thinking for a while, he called Zheng Deju to him and said that he could ask Wang Chaoyang for help, but he had to have reservations. It is ideal to solve the problem and avoid revealing too much information.

"Okay, I'll give it a try!"

After listening to Sun Baoquan's words, Zheng Deju agreed stubbornly. It is difficult to solve the problem without telling the truth.

Zheng Deju didn't dare to delay too long, and left to return to the position of the trial gear.

Seeing that the other party seemed to have something to say, Wang Chaoyang stopped the machine in his hand and asked, "Director Zheng, please have something to say."

Zheng Deju swallowed his saliva, scratched his face and said, "Xiao Wang, I have a question I want to ask you, I don't know if it's convenient for you, if it's convenient, you can answer it...... If it's inconvenient, you can also not answer......"

This workshop director used to be full of energy, and his voice was like March spring thunder, but now he has become twisted and pinched.

Wang Chaoyang smiled and said, "Please have something to say."

Zheng Deju said: "Do you understand the drilling machine, is there any way to improve the service life of the drill bit?" Wang Chaoyang asked rhetorically: "The life of the drill bit includes two aspects, wear and fatigue, which one do you

mean?" Zheng Deju was stunned

: "What? What does fatigue mean? Which will cause the drill bit to break?" Wang Chaoyang said: "

Fatigue will lead to the life of the drill bit, but generally speaking, the fatigue cycle should be more than 10 million times, as long as it is a qualified drill bit, there is no problem." ...... "

Zheng Deju's purpose was to understand the cause of the drill bit fracture from the side, but he didn't expect it to be fatigue life, and these are the knowledge he doesn't know at all." Unable to answer Wang Chaoyang's words, Zheng Deju's face turned red, and he secretly complained about the drudgery given by Sun Baoquan.

Seeing that Zheng Deju didn't speak for a long time, Wang Chaoyang said: "Generally speaking, the fatigue problem of the drill bit will not cause much trouble to the drilling machine...... It's easy to change the drill bit. But if there are other problems with the drill bit, such as frequent breakage, this has to be considered from many aspects!"

"Yes, yes, what I want to ask is that the drill bit is broken, and it breaks frequently!" Zheng Deju hurriedly added. My heart said my mother, it's not easy to get to the point!"

Wang Chaoyang smiled faintly and continued: "As the actuator of the drilling machine, the drill bit is in direct contact with the workpiece, so you have to consider the power source, gearbox and tool holder from three aspects, such as whether the motor power is stable, whether the gearbox has any abnormal noise, and the verticality of the tool holder, which will affect the drill bit.

Zheng Deju listened carefully and muttered: "The motor is fine, the gearbox has also been checked, and the angle of the tool holder has just been corrected...... That's fine.

Wang Chaoyang said: "Then find the reason from the workpiece."

Zheng Deju didn't understand: "What does it have to do

with the workpiece?" Wang Chaoyang said: "The drill bit is in direct contact with the workpiece, of course, there is a relationship, such as the flatness of the processing surface, the hardness of the workpiece ......

" Zheng Deju heard this, and patted his head fiercely: "Yes, why didn't I think of it."

Wang Chaoyang smiled faintly: "It's not too late to think about it now, let's go and take a look." "

Oh good, I'm going to see ......" Zheng Deju trotted away, only to react halfway through, his swarthy face turned red.

I wanted to hide it from Wang Chaoyang, but people already knew about

it, and they still hid it! Zheng Deju ran back to the workshop where the drilling machine was, and Sun Baoquan and the other workers were still there. Seeing Zheng Deju's forehead twisted into a twist, Sun Baoquan asked, "How is it?"

Zheng Deju said the idea of starting from processing workpieces, Sun Baoquan also suddenly realized, and immediately sent someone to replace a batch of workpieces and try again.

Strange to say, after replacing a batch of workpieces, there is no problem of drill bit breakage.

Sun Baoquan immediately asked people to investigate what was the difference between the two batches of workpieces.

I don't know if I don't check, but when I checked, I almost didn't blow up Sun Baoquan. The material of the last batch of workpieces came to the wrong place, it was the bearing steel after quenching! The hardness of the bearing steel after quenching is very high, and it is strange to use ordinary drills to drill bearing steel

! Although he was angry, he finally solved the problem, Sun Baoquan sighed and said: "Mother, who would have thought that the problem would lie with the workpiece! This thing is a joke!" Zheng

Deju scratched his beard, hum, you can't think of it, I can't think of it, but someone can think of it!

Noticing the tangled expression of the workshop director, Sun Baoquan asked him what was going on. Zheng Deju said: "Factory director, there is still a bed that has not been repaired, let's hurry up and take a look!" Sun

Baoquan and Zheng Deju and their entourage left the drilling machine and returned to the gear processing workshop.

The equipment in this single room is a universal milling machine imported from the Czech Republic, with high processing accuracy, which can be used to process complex internal holes and helical gears.

This equipment was recently used to process the inner groove of a gear, and it has been working very stably, but today I don't know what evil it has suffered, and the rejection rate of the processed inner groove is as high as 70%...... That is to say, for every ten parts machined, seven are unqualified.

This is already a serious product quality problem.

Sun Baoquan and Zheng Deju entered the private room together, standing in front of the baby universal milling machine, and neither of them spoke...... Because they don't know what to say.

Although this equipment is advanced, the structure is very different from that of domestic milling machines, and the instructions and signs are in English, so no one has dared to repair them since they bought it into the factory.

The masters in charge of maintenance often joked that the factory director's baby milling machine could not be touched, and it could not be disassembled and installed, so it had to be fired by the factory director

......!

"Huh?" Zheng Deju had a bad premonition.

"Can you go to Wang Chaoyang again and find out about it......" Sun Baoquan said.