Description: After the cooperation between Hanhua Machine Tool and Luji, Yang Wenyong went to Luji to participate in the assembly of machine tools. On Luji's side, there are more than a dozen old fitters who have been engaged in machine tool assembly for many years, and they are all very experienced. At first, people just treated Yang Wenyong as an apprentice and let him do some auxiliary work. Yang Wenyong did not mind, let him do what he did, but when he was free, he always followed the old masters to observe their every move, and then confirmed with his own experience. Assembling a machine tool is a delicate job. Each part of the machine tool is allowed to have a certain tolerance when it is processed. When they are assembled together, the tolerance of each part accumulates, which will affect the geometric accuracy of the machine tool. Skilled assemblers need to constantly measure the relative position of the parts in the process of assembly. If it is high, it should be removed with a scraper; if it is low, it should be added with a small gasket. When it comes to how to add and subtract, it all depends on the experience of each person. In the process of assembling this large boring machine, Yang Wenyong gave full play to his assembly experience, and even corrected the mistakes of the old masters of Luji several times, which won the praise of the public. As he spoke, the boring machine over there began to work. The boring tool rotates at a high speed, reaching deep into the workpiece and bringing out beautiful chips. The technicians and workers around them nervously inspected the working condition of the boring machine and evaluated its vibration, noise and other indicators. After a hole was cut, two technicians rushed forward and began to measure the accuracy of processing with micrometers and other tools. 1000 mm deep hole processing, hole pitch error 0.02 mm The technician loudly reported the results of the test, and there was warm applause at the scene. Ma Shengfan happily ran to Lin Zhenhua's side, patted Lin Zhenhua on the shoulder with his greasy hand, and said, "That's great. That's great." Because Lin Zhenhua had just returned from a meeting in Beijing, he was wearing a new suit,347 stainless steel, which turned Ma Shengfan's suit into a rag. However, Lin Zhenhua did not mind, but asked with a smile: "Director Ma, what does this indicator mean? I don't quite understand." In fact, Lin Zhenhua still knows something about the accuracy of machine tools and other indicators, he does not know, but what is the significance of this indicator relative to Luji. Looking at Ma Shengfan's happy appearance, it is estimated that it should be a major progress. Ma Shengfan said, "Let me tell you, the pitch error of deep hole processing was almost 0.05 mm in the past, but now it has been reduced to 0.02 mm. This is a great thing. Our products have reached the international advanced level all of a sudden.". The precision boring machine imported from Germany is just this standard. "Congratulations, Director Ma." Lin Zhenhua said. This credit can be attributed to our teacher Wei. Ma Shengfan said, as he spoke, x70 line pipe ,x70 line pipe, he shouted to Wei Jingwen, who was discussing control instructions with the operator in front of the console: "Teacher Wei, come and talk." Wei Jingwen came over with a smile and said hello to Lin Zhenhua. Ma Shengfan took Wei Jingwen by the hand and said, "Teacher Wei, thank you very much. Your automatic compensation mechanism is really great." "Not yet, I haven't reached my ideal state." Wei Jingwen did not know whether he was modest or conceited. Seeing Lin Zhenhua's confused appearance, Ma Shengfan gestured to introduce Lin Zhenhua: Originally, the deep hole processing accuracy of boring machine has always been a major technical problem that puzzles Luji. The deep hole processed by the boring machine can sometimes reach one or two meters deep, which is equivalent to extending a boring cutter one or two meters from the headstock for processing. When the boring cutter shaft extends too long, there will inevitably be some deformation, which is mainly due to the sagging caused by self-weight, which is called the "bowing" phenomenon of the boring cutter in the factory. The boring tool originally starts to process the middle line of the boring hole, once the "bow" appears, it will cause the processed hole to deviate from the correct position, so that the processing accuracy will be affected. In the past, this situation was corrected by the experience of the operator of the boring machine, such as adjusting the position of the headstock a little higher, so that the boring tool "lowers its head" and falls in the right position. However, this manual compensation is greatly affected by the operator's personal ability, and the accuracy is not stable enough. Wei Jingwen led his electronic team to develop an automatic compensation mechanism after a large number of field measurements. It is controlled by the chip on the machine tool. According to the length of the boring tool, it automatically adjusts the position of the ram behind the boring tool shaft to compensate for the "bow" of the boring tool. The test just now shows that the compensation mechanism has played a role and the machining accuracy of the boring machine has been greatly improved. It seems that we still have a lot to learn. Ma Shengfan said to Lin Zhenhua with emotion, "Originally we did not understand numerical control, the way to compensate for accuracy is to add gaskets, at best, it is to add a bracket to support the boring shaft.". Teacher Wei, what program did they use to solve it at once? It's really amazing. Lin Zhenhua said with a smile, "I just talked to manager Cen, and he said we have a lot to learn.". Luji's production experience is what we lack, and this time through cooperation with Luji, we have learned a lot. "Oh, what are you and us? We are a family now." Cen Youjun said with a smile, "Next step, I intend to pull the team of Xunyang over, learn from Director Ma and the masters of Lu Machinery Factory in an all-round way, and strive for more new products." Ma Shengfan said, "Well, that's all for today's test.". Laowang Wang Haisheng, the chief of the technical section, answered, "Director Ma, what do you want?" "You sort out the relevant information. I'll take Manager Lin, Manager Cen and Teacher Wei to dinner first, and you'll take the workers with you later." Ma Shengfan said. All right, Director Ma,uns c68700, you go. Wang Haisheng promised. Ma Shengfan pulled Lin Zhenhua and said, "Let's go, Manager Lin. We won't go home until we get drunk today." 326 celebration banquet 326 celebration banquet. lksteelpipe.com
Category: Technology
Tag: Industrial hegemony