"Cousin, I'll be lively here after tomorrow, and our production will officially start in two or three days, and then I'll leave Sword City for a week, so it's the right time for you to come today." Zhou Jianhua smiled and said to Lin Dongming:

"Regarding the production of small farm tools in your factory, you also showed me the hoes and sickles you produced a few years ago, in fact, I already had a plan for improving the process at that time, but I didn't say it at the time. The first is that your factory was busy with the production of rotary cultivators at that time, and I can't take care of this for the time being, and the second is that I think it will be better to go back and teach others after you master this process improvement method. ”

"Oh......" Lin Dongming showed a look of surprise on his face, and then he understood, he grinned and said:

"I see...... Jianhua, you're doing this for my sake! Thank you! ”

"There's nothing to thank you for this." Zhou Jianhua also smiled and said:

"Your family has helped us a lot over the years, and now I help you a little, and I should do it. The key is that you have to learn to master these production experiences by heart, and integrate these experiences and skills, only in this way can you become a real master in their eyes. ”

"Hmmm! I know, I'll study hard. Lin Dongming nodded and replied.

"Now your factory in addition to rotary tillage, the most important farm tools are hoes and sickles, these two small farm tools are much larger than other farm tools, as long as the quality of your hoe and sickle is enough to meet the requirements of agricultural companies, they are willing to help you sell, plus the production and sales of rotary tillage, then your factory will enter the "well-off" state in the future There is no problem. Now I will tell you how to improve the production process of these two products...... Remember! ”

Zhou Jianhua said that, he found a pen and paper from the drawer and handed it to Lin Dongming. To continue:

"The production of your hoes. The current process is to use 45 steel to heat it and create it. After holding heat for a while at about 840 degrees Celsius, local water quenching, tempering and air cooling at 350 degrees Celsius, this production process is simple but the hardness is low, it should not exceed 45HRC, so it is easy to wear ......"

"Uh...... Jianhua, what do you mean by 45HRC? Lin Dongming interjected and asked inexplicably.

"There are many ways to test the hardness of substances, and HRC is one of the "Rockwell hardness" test methods. Zhou Jianhua pondered for a while, and then explained to Lin Dongming in a concise and easy-to-understand description:

"The values in front of HRC are the values obtained using this hardness test method. Higher values represent higher hardness. This hardness test method is generally used to determine the hardness of tool-making materials with high hardness. ”

"Oh, I probably understand......" Lin Dongming nodded as if he didn't understand.

"The details of this hardness test will definitely be in the books I bought for you, you just need to know the general meaning now, and when you finish those books in the future, you will naturally understand." Zhou Jianhua smiled and said:

"Let's move on to your hoe production process, my suggestion for process improvement is to replace 45 steel with Q235-A steel for hoes, and prepare some white iron. Once the hoe is ready, place it on the red stove with the bottom side up. Place the iron on the bottom of the hoe and heat it to about 1200 degrees Celsius, and the iron will start to melt. At this time, the white iron is scraped back and forth on the hoe surface - this is called the "rubbing and seepage process" - and then cooled to about 800 degrees Celsius and kept warm for 5 minutes, and then the hoe is partially quenched with water, and the residual heat can be tempered by itself. ”

"Oh! You can still deal with it like this......" Lin Dongming said in surprise while recording:

"So, if you treat it this way, how hard can the hoe be?"

"Because of the use of white iron with a high carbon content to scrape the bottom surface of the hoe at high temperatures, this can play the role of "carburizing", so that the overall hardness of the hoe can reach 50HRC. Zhou Jianhua replied:

"Because only one side of the hoe is rubbed on the side, the bottom of the hoe will be covered with a thin layer of white iron, so the hoe made in this way has a "self-sharpening" function, the cutting edge is sharp, and it is very wear-resistant. ”

"Great! It turns out that this treatment method can have such a good effect! Lin Dongming said in surprise.

"It's just a small trick that improves the overall hardness and has a "self-sharpening" effect. Zhou Jianhua pursed his lips and smiled, and said to Lin Dongming:

"If you can master it well, you can flexibly apply it to other products in the future, such as shovels, plowshares, etc."

"Oh! That's great! That's a great way to do it! Lin Dongming nodded and sighed as if he had received a treasure.

"Hehe, this method, you go back and combine it with the book "Metal Heat Treatment" to ponder it well." Zhou Jianhua looked at the excited Lin Dongming with a smile and reminded again:

"Now I'll tell you about the methods used to improve your sickle production process, cousin, and you can remember it again, cousin."

"Oh! Good! Lin Dongming quickly recovered from the excitement and prepared to record Zhou Jianhua's dictation.

"Your sickle is also made of 45 steel, hot forging after holding at 830 degrees Celsius for a while, then water quenching, and tempering at 350 degrees Celsius air cooling, although the sickle can ensure that it has a certain toughness and is not easy to break, but its hardness will not exceed 45HRC, so it is not very sharp." Zhou Jianhua said slowly:

"The improvement method I considered is that the cutter body of the sickle is changed to Q235-A steel to produce, and the cutting edge of the sickle is still made of 45 steel, and the two steels are heated and forged together in a red furnace to form, and the heat is kept at about 830 degrees Celsius for 3 minutes, and the blade is quickly water quenched, and then tempered by itself. The sickle produced in this way not only has enough toughness, but also has a cutting edge hardness of more than 50HRC, which is very sharp! ”

"Oh...... I think I've seen this method in the book you gave me...... It is said to be a method of making swords in ancient times. After listening to Zhou Jianhua's words, Lin Dongming said thoughtfully.

"Huh...... Not only ancient sword making, but also many modern places use this method. This is already a very common method. Many of us use kitchen knives made by state-owned factories at home. Most of them are produced in this way. This method is not unusual, the key is how to apply it. Zhou Jianhua smiled and said:

"In addition, I aimed at the improvement of your hoe and sickle in the production process, although it can meet your requirements for improving product quality, and the cost of materials has also been reduced, but it has increased the production process and the corresponding labor cost, fortunately, your labor cost is not high, so calculated. The overall cost increase is not obvious, at least, if you use the method I suggest to produce, the quality of the product should be able to meet the requirements of the agricultural company. ”

"Jianhua, you are amazing!" Lin Dongming couldn't help but say with admiration:

"No wonder our Director Fan has so much respect for you, when I give him this thing, I don't know how happy he will become, hehe......"

"Cousin, you'd better not give them this ......" Zhou Jianhua hurriedly reminded:

"Keep this piece of paper for yourself and read it slowly, don't give it to anyone else. When you go back, just teach them to do it like a master, you know. The effect of coming out of your mouth is not the same as what you see from this piece of paper. Cousin, do you understand what I mean? ”

"Ah...... Yes! Hehe......" Lin Dongming suddenly understood, grinned and said:

"Jianhua, I can't see it, you're quite scheming!"

"Alas! Cousin! No matter what era it is, the thing of "human nature" is the same, there is not much difference. Zhou Jianhua smiled slightly and explained to Lin Dongming:

"Things that are too easy to get, people don't always pay too much attention to. It's the same to help others, but the effect is different depending on the way, so the method and details are very important......"

"yes, I see!" Lin Dongming nodded and replied with a smile:

"I listen to you! After I go back, I'll take them to do it, I won't take out this piece of paper, hehe......"

At this time, in Lin Dongming's eyes, Zhou Jianhua is still the little cousin he used to be! Looking at his skills, his social circle, his social experience, his courage to do things, and his careful care for himself, he has now become his brother and master! Zhou Jianhua is obviously much stronger than himself now, and he also helps himself grow with good intentions, so why shouldn't he follow his advice?

"Cousin, if you teach them to produce hoes and sickles, you can only temporarily act as a master and find the feeling of being a master." Zhou Jianhua continued:

"However, if you want them to really regard you as a master, then you have to seize the time to learn more, master the relevant knowledge and experience, be able to solve problems independently in the future work, and continue to help the workers make progress together, only in this way will you become a real master in their eyes."

"Huh...... How can it be so easy......" Lin Dongming was a little embarrassed by Zhou Jianhua's words, he smiled wryly and replied:

"Although our production process is not very complicated, and I have basically figured it out in a few years, but if you want to be called a master in front of those old blacksmiths who have been doing it for more than ten years or decades, hehe, don't even think about it, there is no such possibility!"

"Cousin, do you think I'm a master in front of them?" Zhou Jianhua pursed his lips and asked with a smile.

"You...... Of course you're a master! None of the masters in our factory don't admire you. Lin Dongming replied:

"But how can I compare ...... you?"

"Why can't you compare with me?" Zhou Jianhua stared at Lin Dongming with his eyes like torches, and said in a deep voice:

"Your experience in striking iron is far superior to mine, and you are much better than me in this area! Anyone like me who hasn't wielded a hammer can be regarded as a master by them, so why can't you? The only thing I'm better than them is that I have more theoretical knowledge than them, but now you have more theoretical knowledge than them! You have theoretical knowledge and practical experience, why can't you become their master?! ”

"This ...... It's different......" Lin Dongming muttered tangledly:

"You are here to help our factory solve a big problem, our factory was almost about to stop production, fortunately you helped us in time, our factory can now come back to life. I'm not that powerful......"

"Hmph...... Although your factory is now back to life, it is in a state of starvation and not enough to eat. Zhou Jianhua looked at Lin Dongming and said with a smile:

"You go back this time, with the methods of improving the craftsmanship of the hoe and sickle that you now have at your disposal. Immediately, you will be able to make your factory full and fat. So. You actually have a chance now that is as good as I was at the beginning. The key is whether you are willing to work hard to grasp the opportunity now! ”

"How is that possible?! They all know that I learned this method from you! Lin Dongming replied disappreciatively.

"You learn from me, they learn from you, so, I am your master, you are their master, what's wrong with that?" Zhou Jianhua continued:

"So, it's still the same sentence, it depends on whether you are willing to work hard to seize this opportunity!"

Lin Dongming was asked by Zhou Jianhua and had nothing to say. He still felt that Zhou Jianhua's reason was a little reluctant, but he couldn't tell what was wrong with his words for a while, he struggled for a long time under Zhou Jianhua's forced gaze, but he still couldn't come up with a reason, and finally had to kick the ball back to Zhou Jianhua:

"So what do you think I should do?"

"You go home immediately, spend an afternoon and an evening, combined with the improvement process I gave you, and learn the relevant content in the book "Metal Heat Treatment" in a targeted manner, so as to ensure that after you return to work in the factory tomorrow, you will teach other masters how to operate at the same time. Be able to theoretically explain them accordingly. You can tell them plainly that this is a theoretical knowledge that you have taught yourself in your spare time. In this way, they will not dare to underestimate you. Zhou Jianhua replied:

"You have read a lot of the book "Metal Heat Treatment" before, and I believe that you should have obvious results if you check the relevant knowledge in a targeted manner today. Later, I will call Director Fan and tell him that I am short of manpower here, please help me today, and go back to work tomorrow. What do you think? Have faith? ”

Lin Dongming was moved by Zhou Jianhua's words, and said in his heart, yes! I have also seen a lot of things these days, although I don't hate to eat, but if I go back today, just focus on the content of these processes, tomorrow I want to talk to the masters in the factory about the relevant content, there will really be no problem!

Lin Dongming bit his lip and thought for a long time, the corners of his mouth gradually showed a smile, he glanced at Zhou Jianhua, and finally nodded and replied with a smile:

"Then I'll try! If it is only to deal with the problem of process improvement of these two products tomorrow...... I guess it's okay. ”

"Hmmm! But you can't just think about the process improvements of tomorrow's two products. Zhou Jianhua smiled and nodded, and continued:

"From now on, you will have to combine the actual products of your factory every night, study the book "Metal Heat Treatment" in a targeted manner, and gradually understand it, so as to ensure that when you have technical exchanges with other masters in your daily work, you can say the knowledge you have mastered in an orderly manner and apply it to the actual production. While instructing them to apply new processes to production, you also need to give them theoretical guidance so that you can gradually establish yourself as a master chef in the factory from tomorrow. ”

Lin Dongming pursed his lips, while listening to Zhou Jianhua's words, he nodded silently, as if he saw in his mind that he was guiding other workers and masters in the workshop to produce, and studying new products and new processes with other workers and masters, his heart suddenly steamed with a sense of pride, and he couldn't help blurting out:

"Jianhua, look at it! From now on, I will be the master master in our factory! I'll be reading hard every night from now on! I will definitely be like you, a master with real skills! ”

Seeing that Lin Dongming finally mustered up his courage and fighting spirit, Zhou Jianhua also smiled with relief.

In addition to repaying their family for the help they have given to his family, he also has his own considerations.

For Zhou Jianhua, talent, that is never too much! In the future, even if Lin Dongming does not have a greater place to use in Tonglin Machinery Repair Factory after completing his studies, he will need such talents, after all, he is not able to obtain professional knowledge college students through formal channels in this era, and it is necessary to find ways to cultivate some talents.

Zhou Jianhua thought for a while and asked again:

"Cousin, do you have the opportunity to participate in the use and operation of the "metal heat treatment box" in your factory now? ”

"No, I just got out of the division a few days ago, and now I am still making products in iron, and the "heat treatment box" has always been operated by Master Zuo Manfu, and no one else has the opportunity to operate it. ”

"Oh......" Zhou Jianhua nodded and said:

"That's it, I'll call Director Fan later, ask him to give you a chance to let you also learn to operate the "heat treatment box", the operation of the heat treatment box is actually very simple, the key is to understand the heat treatment process, you should not have to be worse than others in this regard, I will teach you to learn heat treatment processing and he said. ”

"Good! That's great! Lin Dongming happily rubbed his hands and replied excitedly:

"In this way, I will have more opportunities to practice heat treatment in the future!"

Zhou Jianhua nodded, picked up a pen and drew a schematic diagram of the heat treatment box, and noted the operation instructions of the heat treatment box in detail next to it and handed it to Lin Dongming: "This operation is very simple, you can take a look, if you don't understand, ask me now." ”

Lin Dongming took it and looked at it carefully. Zhou Jianhua picked up a pen and paper and wrote a set of heat treatment process materials and handed it to Lin Dongming:

"Cousin, in a few days, we will have a few "injection molds" to be taken to your factory for heat treatment, and then they will be brought over by the section chief Zhong who had dinner with us just now. This set of molds is very important to us, when the time comes, please operate in strict accordance with the heat treatment process I wrote, I will call your Fan factory director to talk about this, I will tell him, specify this must be operated by you personally. What do you think? Have faith? ”

"No problem!" Lin Dongming replied:

"I've seen Master Zuo operate this "heat treatment box" before, it's really not difficult, as long as Director Fan agrees with me to operate, I will definitely be able to get it done for you as required! (To be continued......)