industrial overlord

Chapter 18 Using the Indexing Head
Lin Zhenhua said "goodbye" to Xiu Hongyang, and then went back to the metalworking workshop.At this time, the off-duty time has passed, the roar of the machines in the workshop has stopped, the workers have all returned home from get off work, and the entire workshop is empty.

Lin Zhenhua walked into the rest room of the moving class, took his own clothes, locked the door and was about to leave when, out of the corner of his eye, he caught a glimpse of a delicate figure standing beside an X62W universal milling machine, busy with something.

"Yang Xin." Lin Zhenhua walked over and shouted, and suddenly remembered that Yang Xin had talked about teaching him skills a few days ago.Now that all the workers in the workshop are off work, Yang Xin is still in the workshop. Could it be that he is just waiting to teach him skills?Lin Zhenhua just felt ashamed for a while, he was just thinking about making money all day long, and he was really sorry for this innocent little girl.

"Brother Xiaohua..." Yang Xin turned around, with a hint of melancholy in his eyes.

"Uh, uh, are you waiting for me? I'm really sorry. I'm, uh, not feeling well these days, so I ran home after work. I didn't expect you to be waiting for me." Lin Zhenhua relied on his thick skin , stutteringly making up nonsense.

Yang Xin replied weakly: "Oh, I didn't wait for you. I saw that you left, so I left. I think you may have something to do."

"Well, I happen to be fine today, or else, Master Yang will teach me now. What is this mysterious machine in front of you used for?" Lin Zhenhua pointed to the milling machine and asked Yang Xin. The look of confusion made one wonder if his head had just been hit by a car.

Of course Yang Xin knew that Lin Zhenhua was pretending to be stupid. Even if he didn't understand technology, after staying in the metalworking workshop for more than a week, he could still tell the difference between a lathe and a milling machine.However, Yang Xin seemed to have something on her mind today. Lin Zhenhua's joke didn't make her relax, she just replied in a difficult way: "Brother Xiaohua, it's a bit unfortunate today. My master asked me to finish milling these six gears. I'm afraid I won't Time has taught you."

"Oh, that's great." Lin Zhenhua was relieved, but as soon as he said the words, he knew he had made a mistake, and quickly added: "I mean, I happen to be fine, or if you are busy with you, I will accompany you here." looking at you."

"Brother Xiaohua, you should go back first, I... It may be very late before I finish here." Yang Xin blushed and said.

Lin Zhenhua scratched his head: "No way? Isn't it just six gears?" He took a look at Yang Xin's blueprint and said, "These six gears are ordinary gears, and they can be done in minutes."

"What does it mean to be done in minutes?" Yang Xin doubted whether Lin Zhenhua was speaking Chinese. She was so focused on Lin Zhenhua's grammar that she didn't notice that Lin Zhenhua could actually understand the drawings.

"Uh, this is a dialect in Yunnan, which means it will be completed soon."

"But...but..." Yang Xin said two buts, but couldn't speak, tears rolled in his eyes a few times in disappointment, and then dripped down.

"Don't cry, don't cry, Yang Xin, what's going on, why are you crying?"

"My master also said it's very simple, but she told me twice that I didn't understand it. She told me to adjust the dividing head, but I didn't understand how to adjust it." Yang Xin cried out in a sob .

"It's not wrong if you don't understand, right?" Lin Zhenhua complained, "You can continue to ask if you don't understand. Also, since you don't understand, how can she leave you to do it alone? Where is she?"

The dividing head mentioned by Yang Xin is an accessory on the milling machine. When milling gears, workers must rotate the dividing head to ensure that the teeth of the milled gear are evenly distributed.Depending on the number of gear teeth, the number of turns to rotate the indexing head is also different, and some calculation problems are involved here.The mathematical knowledge required for this kind of calculation itself is not complicated, at most it is the knowledge of fractions and divisibility, but some workers have low education level and are not good at mathematical thinking, so the use of the dividing head is quite troublesome.Although Yang Xin has the education level of graduating from junior high school, she does not belong to the type of students with good math scores.Her master Jiang Tiemei's level of education is not very good. The use of the dividing head is limited to experience and cannot be explained clearly, so it is reasonable for Yang Xin to understand.

"The master said I was stupid, that I didn't pay attention, and then she told me that if I don't finish milling these six gears, don't go home. If I don't mill, she will go to the director tomorrow and say that she won't take me... "When Yang Xin said this, she almost burst into tears, but she was worried that the crying would be too loud and be heard by people outside the workshop.

"This Miejue Shitai!" Lin Zhenhua cursed.

Yang Xin also didn't know what Miejue Shitai was, but from Lin Zhenhua's point of view, she seemed to be some kind of witch from Yunnan, and she wasn't a good person anyway.She took out her handkerchief and wiped her tears, and said to Lin Zhenhua, "Brother Xiaohua, you go back first, I'll think about it myself, anyway, if I can't do it today, I'll spend the night thinking about it in the workshop."

"Don't, don't." Lin Zhenhua said, "If you have any difficulties, go to Xiaohua. Isn't it just a dividing head, I'll just teach you."

"You teach me!?" Yang Xin's eyes were wider than the indexing head. She would rather believe that Lin Zhenhua could knead the pure steel indexing head into a steel ingot by hand, and she did not believe that he could set the indexing head to on the correct position.

Reluctantly, Lin Zhenhua repeated the nonsense about the dual-purpose military and local talents. In fact, no one had raised this concept at the time.

"Did you really drive a milling machine?" Yang Xin finally changed from completely disbelieving to half-believing.

"Make room." Lin Zhenhua pulled Yang Xin bluntly, and touched Yang Xin's arm with his hand. Yang Xin blushed and quickly gave up his position.

Standing in front of the milling machine, Lin Zhenhua was silent for a while, allowing the memories of future generations to come back to his mind, and then began to operate.He cranked the handle and deftly snapped the workpiece into the jig.Then, he glanced at the drawing, selected a scale on the dial of the dividing head, and turned it without thinking.After turning the workpiece to the correct position, Lin Zhenhua started the milling machine, and the milling cutter squeaked cheerfully, cutting strips of black and shiny iron filings on the workpiece.

"My God, you are more proficient than my master!" Yang Xin's feeling at this moment can only be described as shock.Lin Zhenhua's operation this time can be described as smooth and smooth, without any stumbling in the middle.Yang Xin remembered that when the master was operating, it took a long time to count the indexing head with his fingers, which was not as quick as Lin Zhenhua.

Lin Zhenhua smiled smugly. Back then, he had studied milling in the internship factory of Huaqing University for a whole summer vacation. His master was a milling technician who was ranked first in the country.The internship appraisal given to him by the master afterwards said: He has a very high understanding of machining. If he is placed in a factory, he must be a good worker.He still remembered the regretful look on his master's face when he handed it to him for the appraisal, as if to say, how could such a good worker become a graduate student? It's really a pity...

Before Yang Xin could wake up from the shock, Lin Zhenhua had already removed the first milled gear from the jig and put it in the finished product box beside it.He stepped aside and said to Yang Xin, "Okay, it's your turn."

"I?"

"Yes, if you don't do it yourself, when will you learn it? Don't be afraid, I will teach you how to do it."

Yang Xin felt in a trance for a moment, as if she went back to ten years ago, that boy with a little snot said to her at any time: Don't be afraid, I will teach you...

"When the workpiece is clamped, the force on each jaw should be even. After clamping, you can turn it around to see if the axis is biased... Yes, it is like this. The algorithm of the dividing head is like this. The number of scales is divided by The number of teeth of the gear, and then select other scales for the remainder..."

Lin Zhenhua taught by example and taught Yang Xin how to operate.He didn't realize the difference between men and women. In later generations, he taught undergraduates to do metalworking in practice factories countless times. No matter boys or girls, he taught them by hand, and he never felt awkward.Of course, those girls born in the [-]s and [-]s don't even know that there are such things as giving and receiving in the world. They will stick to Lin Zhenhua and watch him operate without any hesitation, completely ignoring some soft parts and Lin Zhenhua's tenderness. close body contact.

Yang Xin had never been held by a boy to do things like this, and she could clearly feel the temperature of Lin Zhenhua's palm.This warm feeling made her feel a little shy, but at the same time felt a solid sense of security.She forced her mind not to think about those messy things, but concentrated on listening to Lin Zhenhua's explanation.

For the first gear, Lin Zhenhua guided her ten times and corrected five mistakes;
For the second gear, Lin Zhenhua guided five times and corrected two mistakes;

For the third gear, Lin Zhenhua only said one sentence;

For the fourth gear, Lin Zhenhua remained silent from the beginning to the end.

Yang Xin tremblingly used a caliper to measure this gear, which she has completely independent intellectual property rights. After measuring the width of the last tooth, Yang Xin had a bright smile on his face: "Successful, successful! Brother Xiaohua, you It's really amazing."

"Hehe, it seems that you made this yourself, I didn't say anything." Lin Zhenhua became humble.

"It's you who taught well!" Yang Xin said, "I don't understand what my master said. But once you said it, I understood everything. It's still these things, and you can explain it better than her."

Famous teachers produce excellent apprentices. Although Jiang Tiemei is a skilled worker, her skills are based on years of practice. Her understanding is far inferior to that of Lin Zhenhua. Teaching Yang Xin with such skills will naturally only make Yang Xin feel miserable.Lin Zhenhua has a thorough understanding of the principles of mechanical processing. He can tell what Yang Xin doesn't understand at a glance, and he can always give just the right hints. Therefore, Yang Xin learned more in just one hour than she learned in a week. There are even more.

"There is one last gear. After finishing it, we can go back to eat." Lin Zhenhua said with a smile.

"Don't worry, I can finish it in minutes." Yang Xin not only learned the milling knowledge taught by Lin Zhenhua, but also learned the "Yunnan dialect" he spoke.

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I have seen milling tutorials for many years. Regarding the dividing head, I don’t know if I made a mistake. Please bear with me if I make mistakes.

10.15 Modification Note: Thanks to the netizen "crispy and dripping" for severely criticizing Cheng Zi for not knowing how to operate machine tools. He pointed out that wearing gloves is strictly prohibited when operating machine tools.After investigation, this is indeed the case. I hereby correct it and delete the sentence of wearing gloves.

(End of this chapter)