202 1 metalworking practice experience 1000 words

Internship is a stage that every college student will go through. By learning and doing, you can quickly improve your professional knowledge. The following is "202 1 metalworking practice experience 1000 words" compiled by me for your reference only. Welcome to reading.

202 1 metalworking practice experience 1000 words (1) After four weeks of practice, I learned a lot from it and realized that every part needs to be carefully analyzed in the process of machining. We have mastered the processing methods of certain types of work since the beginning of traditional processing science, and are also familiar with the characteristics of various processing methods, and know that a complex part needs multiple choices for processing. This knowledge provides a good foundation for our future work and study.

In the first week, I mainly studied the processing characteristics of six types of jobs, their respective shortcomings, and their combinations to make up for the shortcomings. For the earliest contact grinder, our first thought is its safety, because the speed of grinding wheel is quite high, and if it is not operated properly, safety accidents will occur. In addition, it is a kind of finishing, the plane accuracy after grinding with grinding wheel can reach 5 ~ 6 tr, and the surface gloss of the workpiece can also be seen from the surface. In order to accurately process the workpiece, the machining platform adopts hydraulic drive grinding plane and electromagnetic platform.

Then we looked at the milling machine and learned about its processing characteristics and its high processing efficiency. We also looked at all kinds of milling cutters to understand the functions of different milling cutters, but the cost of cutters is very high. On the planer, we all practice on the planer to understand its operation and processing characteristics, mainly processing plane and groove parts. Forger: We just know its processing method and technological process. Caster: We made molds and learned the methods and precautions in the process. Welders We have done a lot of exercises, from oxyacetylene cutting to arc welding, which makes people really realize that practice makes perfect.

The second week, we had a week of lathe practice. On an ordinary lathe, we should judge and calculate by our own senses, and pay attention to subtle differences. Every measurement must be accurate, not just approximate. Every feed must be calculated and carefully adjusted. In the process of machining, we should also pay attention to the usage, installation method and various safety of the tool. Lathe can process all kinds of revolving parts, and the surface accuracy is not high, so it can only be semi-finished products, and the products can be processed by grinder, so some parts should have a machining allowance of 0.1mm. During this week, after practice, we made a post and a screw. Although many of the previous ones were unqualified, it was a great sense of accomplishment to see one of them succeed.

In the third week, we practiced as locksmiths. We have long heard that locksmith is the hardest job, and sawing square steel with hacksaw really gives us a headache. Although there are methods taught by teachers, it is always difficult to find the feeling the first time. Is to run sideways. The second thing is to cut the datum plane. The file is supposed to be flat, but it can't be filed. It's always uneven, and finally it's flat all afternoon. After that, the other three sides will be filed, and it will be even more difficult to file into a square of 16x 16. One side of the file is enough, let alone three sides.

Sometimes it's hard to do without doing it, and it's even harder to do it. After filing all morning, it was still above 18mm. Then draw lines and make holes. After more than two days of accumulation, the work after that is much better. Just file it flat, and the saw will not be too biased. After four days of hard work, I finally finished the lovely little hammer. I really can't bear to give it to the teacher. Although it is not good-looking, it is also my own efforts. We also made a template on Friday. After five days' internship as a locksmith, I learned not only about the locksmith, but also his advantages and disadvantages. Some parts, his production efficiency is very low, but some parts, fitter can do, because the machine can't process them.

In the fourth week, we learned about modern machining, disassembly and assembly, and electropneumatic. Knowing that modern machining is convenient and fast, the main work is still focused on programming. If we want to process parts, we must use different codes for different models. Every movement of the lathe is controlled by code, and the parts processed by CNC lathe are very standard.

In the disassembly, we disassembled the motorcycle body, analyzed the structure of each component, and why it took such a shape, as well as the principles and functions of each component, design methods and so on. Let me know more about product design analysis. In the electronic pneumatic practice, I learned how to use electricity to control pneumatic components and realize remote control. Familiar with the use of related electronic components, learned the function and use of self-locking principle in electrical motion, used relays for some high-voltage appliances, and further understood the installation and layout of circuits.

The four-week internship is rare, and the knowledge gained from it will be useful for life. I think a successful internship lies in what you have learned, not what you have accomplished.

202 1 metalworking internship experience 1000 words (2) Time flies. The two-week metalworking internship is over, but all the book and non-book knowledge brought by this internship will remain in my memory forever. Undoubtedly, they will benefit me a lot in my future career. The joy of being eager to try, tired to complain, and successful has become a thing of the past and will become a beautiful memory.

In this internship, I was lucky to be carefully taught by many teachers, especially the demonstration operation of various machines, which enabled me to learn a lot of modern advanced industrial technology in the shortest time. I often discuss some issues with my classmates, so that I can not only master what I have learned personally, but also master the students' very innovative ideas. In short, thank you very much for this metalworking internship, the teachers who gave us guidance, and the students who worked hard together. Writing this internship report here now is not only a summary and arrangement of metalworking practice, but also a commemoration of the efforts and gains during this period!

First, the experience of internship

1. Experience comes from practice. (Take welding and welders as examples)

Theoretical mastery in books is not technical mastery in the true sense. When technology is finally applied to production, it is bound to solve many problems encountered in practice, and these problems to be solved are far more than we imagined. I remember when we were doing electric welding, the teacher told us that the principle of electric welding is very simple, and people can understand it at a glance, but it is very important to accumulate experience in the actual operation. Junior welders should have one to three years of practical work experience, intermediate welders should have three to four years, and senior welders should have at least five to six years.

Think about it, this seems to be a simple workflow, but it takes at least a few years of experience to become a qualified welder. It is conceivable that the hard-won experience and its importance. After the lecture, when it was our turn to do it, we really felt this. We keep in mind the grip method of welding handle, the angle and height that covered electrode should keep, and the uniform motion that should be paid attention to during welding, but the effect is far from that made by experienced teachers.

The so-called feeling is accumulated from the usual bit by bit, and practice makes perfect is the truth-and so on. A lot of production experience is very important for our current internship and actual production. Only by paying attention to the accumulation of bit by bit can we continuously improve. The perceptual knowledge of work rises to rational knowledge, which can only be realized by accumulating experience in constant practice.

2, every step must be careful (such as locksmith)

Many things will take twice as long to modify or even start over if they are accidentally wrong, and even have no chance to start over. Therefore, it is very important to be careful step by step, careful step by step and think twice step by step. Of course, we can't say that we go to extremes, are afraid of everything and can't do anything. For example, when using a shaper, the workpiece must be clamped, and the workpiece must be knocked before clamping to ensure that the workpiece is placed horizontally. If the problem is found only after planing several planes, you can prepare the second workpiece to start again, because the error generated at this time is quite large and cannot be compensated at all. For example, if you are a fitter, you must be careful when turning holes on the workpiece, and you must draw the position first. If you make a mistake, the workpiece will be scrapped again. Be more careful in chemical plating. A slight touch or incomplete washing of the electroplated aluminum sheet will affect the quality of bleaching and dyeing. If there is a little mistake in the complicated steps, it will definitely repeat the same mistakes. Scrapping is a trivial matter, and it would be terrible if an industrial accident happened. For the sake of safety, we must remember these important precautions. In short, there is nothing wrong with being careful, careful, careful and careful.

3, industrial development from pure manual to automation and intelligence.

I still clearly remember that on the first day of my internship, my job was to be a milling worker, located in the old building of the industrial training center. The first feeling when I walked in at that time was that the environment of the factory was really not very good. It seems that everything here is covered with dust in such a large workshop, which makes people have an impulse to flinch. There are some rusty machines on both sides, which are too old to be old. Later, I found out that they were from the 1980s. The most striking thing is that the machine and its surroundings are coated with kerosene, which is used to lubricate and prevent high temperature during cutting.

The obvious disadvantage of this advanced machine is that the degree of automation is very low, and it is basically manual operation. In contrast, such as PLC and CNC lathes, all rely on modern computer technology. After the pre-programmed program is input and run, the machine tool will automatically process. Undoubtedly, this is the product of modern industry, and the support of modern technology, especially computer technology, is very important for industry. As our Comrade Deng Xiaoping said, "Science and technology are the primary productive forces". Through this internship, I personally realized this.

Second, the ideological and moral gains.

Labor not only transforms nature, but also transforms human mind. After two weeks of metalworking practice, I also have a deep understanding of this aspect. Summarized as follows:

1, the working people are really great.

I finally have a personal experience of this, especially the electric welding, the high-temperature electric spark of several hundred degrees splashed by covered electrode, the noise louder than the landing sound at the airport during welding, and the toxic gas emitted. The labor intensity of working in such an environment can be imagined. Although we have goggles, special clothes and other protective tools, we just feel unbearable after working for half a day. It has been like this for a long time, but the workers are really tired of working like this day after day in this position. Thinking of this, I can't help but respect the hard work of the working people.

2. Rules and regulations must be observed.

There are many rules and regulations in metalworking practice, and all these rules and regulations must be completely observed and kept in mind. This is not only a matter of discipline, but also related to the safety of life, which is really a symbol of the staff's protection of life. I remember that on the first day of internship, we spent more than 40 minutes studying the matters needing attention from beginning to end.

We have a very deep understanding through the teacher's careful explanation and watching some audio-visual documents. Actually, it's not just this metalworking internship. In any field, any post must strictly abide by some corresponding rules and regulations. Once we violate the rules and regulations due to negligence, the consequences will be big or small. I remember a famous philosophical saying that true freedom is based on observing certain rules. There is also an old saying that no rule is round.

3. Persevere and win.

Some types of work are really tired, but as long as they persist, in the end, the fruits of their own labor, just what is tired and annoying, will be lost, leaving only unspeakable joy of victory. Labor can really hone people's will and patience. For example, when casting molds in a foundry, you should hold your breath when trimming the surface with a sand scraper. These delicate tasks are urgent and must be completed. The strength is a little uneven, and it will take a lot of time to repair it.

For example, when making CNC sheet metal, we will make a box out of a piece of iron. Except for a hammer and other auxiliary tools, they are all made by hand. Because it is iron, it takes a certain amount of strength, and it will be very tired to stand up. Because the box is not big, you should wake up when measuring the size. Of course, this is more urgent. If you are in a hurry, there will be too much error in that place, and then all previous efforts will be in vain. Some students in our group scrapped the good iron sheet because of this. Only by taking your time, persisting, being careful, and not rushing for success, will you make high-quality workpieces, and slow work will produce fine work.

Third, the conclusion.

It's almost over here. Here, I am really grateful to the school for arranging this metalworking internship for us. This is priceless to me and all my classmates. When I put on my internship certificate and strode into the workshop, I felt that I was no longer an ignorant student in the ivory tower, but an experienced worker and social person, and I had to practice and demand myself with the mentality of a worker.

Now it is this mentality that makes me gain a lot of things that books can't learn at the same time when I end this metalworking internship. When writing this internship report these two days, I almost recalled every day and every link of metalworking internship. This time, it's really full and hard to forget.

Thanks again for the hard work of the metalworking practice center staff! !

202 1 metalworking practice experience 1000 words (3) The two-week metalworking practice has ended. This internship brought me into contact with those cutting-edge things at zero distance. Some equipment may be very old, my technology is a little immature, and the products made are very rough, but when I really make my own hammer, these are irrelevant, and I only have joy in my heart!

In this internship, I came into contact with many jobs, such as casting, fitter, lathe worker, welder and so on. I personally operated lathes and other production machinery, learned the basic usage and understood their principles. At the same time, I simply studied the processing technology, and finally made an imperfect but precious work for me.

As a sophomore, I think metalworking practice is even more practical than some of our subjects. Because when we leave the university to work, I believe that it is words and exercises that are more likely to deal with these production machines.

The purpose of this internship is not only to learn how to make a hammer, but also to exercise our practical ability, apply the theoretical knowledge we have learned to practice, and in turn test the correctness of the theory in the book. Combine your theoretical knowledge with practice, further consolidate and deepen the theoretical knowledge you have learned, learn to use the knowledge comprehensively, and cultivate your ability to find and solve problems.

This internship reminds me of the enterprise internship we will face next. Internship in enterprises can make us contact with society more widely, understand social needs, deepen our understanding of society and enhance our adaptability to society. We should integrate into the society, cultivate our practical ability and shorten the ideological and professional distance from a college student to a staff member. Lay a solid foundation for the further development of the future society. ...

One wave of metalworking practice is coming to an end, and another wave is about to begin. I just want to say, for metalworking practice, do it and cherish it!

202 1 metalworking practice experience 1000 words (4) metalworking practice is an important practical teaching link for engineering students to carry out engineering training, cultivate engineering consciousness and learn process knowledge. "Metalworking Practice" is an integral part of the basic course teaching of engineering materials and mechanical manufacturing, a necessary prerequisite for students to study other courses and other mechanical courses, an important practical teaching link to cultivate students' engineering consciousness and improve their engineering practice ability, and a compulsory technical basic course for this major.

Similarly, "metalworking practice" is one of the important practical teaching links in the teaching plan of non-mechanical related majors, the only course for us to understand the general technology and basic knowledge of mechanical manufacturing, an important classroom for cultivating students' engineering quality and improving their engineering practice ability, and a practical technical basic course.

"Metalworking Practice" is a practical teaching along the general process and common technological methods of mechanical manufacturing. Help us understand:

A, understand the general production process of mechanical manufacturing, familiar with the relevant engineering terms, understand the main technical documents, machining accuracy, product quality, tolerance and technical measurement of the preliminary knowledge.

B, familiar with the common parts of the blank manufacturing and cutting processing methods, the working principle and basic structure of the equipment used, work card measuring tools and safe operation and other basic knowledge.

C, familiar with the main processing equipment cutting action, use. Understand the preliminary knowledge of mechanical transmission and hydraulic transmission.

D, understand the knowledge of machinery manufacturing process and the application of some new processes and technologies in machinery manufacturing.

As far as ability is concerned:

Have preliminary practical ability, can operate main equipment and tools, and process simple parts.

B, for simple parts, have the ability to initially select processing methods, formulate processes and conduct process analysis.

In terms of quality:

A, pay attention to practice, be good at combining with workers, and pay attention to the training and training of basic qualities that engineering and technical personnel should have, such as labor viewpoint, integrating theory with practice, etc.

B, pay attention to the cultivation of production consciousness, quality consciousness and economic consciousness.

C, take good care of state property, and abide by labor discipline and operating norms.

In the practice, we learned about the production process, characteristics, application and common defects of cast-forging welding. Understand the composition, function and operation methods of common equipment and tools, and understand the safety operation procedures of each type of work. Understand the forging performance of common metal materials, understand the purpose and method of forging temperature, heating and cooling, and be familiar with the main basic processes of free forging. Understand the technical points of manual arc welding, the working principles of gas welding and gas cutting, and the conditions of gas welding flame and gas cutting. Able to carry out flat welding operation of manual arc welding and gas welding. Understand the common special casting and other forging and welding methods.

In cutting: understand the composition of common cutting machine tools, clamping accessories and their tools, and be familiar with their cutting actions, common measuring tools and usage methods. Master the machining methods of main surfaces on turning, milling and planing machine tools, be able to independently turn simple parts and operate and process on other machine tools. Understand the composition, working principle, characteristics and application of CNC lathes and milling machines, and be able to complete the self-design, programming and processing of parts. Understand the characteristics and functions of locksmith, master the basic performance of drilling and sawing, and understand other basic operating methods and basic knowledge and operation of assembly. Understand the processing principle and technology of cleaning machine.

This practice made us gradually realize the transformation from operation type to process analysis type, combining metalworking practice with production process; Taking the product processing process as the main line, all important processing stages from parts processing to parts assembly are completed, which increases the perceptual knowledge of the whole process of parts processing; Strengthen process analysis and learn to gradually realize phased process analysis. Only in this way can we operate independently, practice more and practice more, and give full play to our subjective initiative. This internship is mainly based on traditional processing technology, supplemented by new technologies and new processes, which broadens our horizons and enables us to understand new processing technologies. Metalworking practice gave me the following experience:

Through this internship, we learned about the production mode and technological process of modern machinery manufacturing industry. Familiar with the main molding methods and processing methods of engineering materials, the working principle and typical structure of the main equipment used, the use of fixtures and measuring tools and the safe operation technology. Understand the knowledge of mechanical manufacturing process and the application of new technology, new technology and new equipment in mechanical manufacturing.

(2) Master the main forming and processing methods of engineering materials, and have preliminary independent operation skills.

③ In the process of understanding, being familiar with and mastering certain engineering basic knowledge and operation skills, we have cultivated, improved and strengthened our engineering practice ability, innovative consciousness and innovative ability.

④ We have cultivated and exercised our views on labor, quality and economy, strengthened our awareness of observing labor discipline, safety technical regulations and caring for state property, and improved our overall comprehensive quality.

Metalworking practice plays a comprehensive training role in cultivating our engineering quality and ability. It enables us not only to master the requirements of various types of work, but also to establish a relatively complete system concept, which requires us to learn the basic process knowledge of various types of work, understand the equipment principle and working process, strengthen the training of practical ability, and have the ability to analyze and solve simple process problems by using the learned process knowledge.

⑤ In the whole practice process, we have strict discipline requirements, formulated the rules for students' practice, strengthened the requirements of filling in the practice report, cleaning the machine tool site, and observing the safety operation rules of various types of work, which has played a good role in promoting the cultivation of students' comprehensive engineering quality.

⑥ The teacher of the training center announced the grading standards of our processed products to us, which made us have a clear understanding of our own product grading and played a certain role in improving our quality awareness. For our metalworking practice results, a comprehensive evaluation system is implemented, and the usual results+product quality results+comprehensive assessment results = total results. Let us take every job and every practice link seriously.

In the practice of various types of work, arrange some flexible time and practice content, so that students with strong hands-on ability have room to play.

During my internship, I was deeply touched. Thank you very much for providing us with this internship opportunity, so that we can experience the difficulty of studying engineering in advance and gain knowledge that we can't get in class and can't expect. Maybe we won't take this post in the future, but the knowledge and feelings we have learned now are unforgettable. It's dirty and tired, but it doesn't matter. The important thing is that we have achieved and achieved results.

During the internship, many teachers' dedication and rigorous spirit also made us admire. Teachers can take pains to help us find errors in the program over and over again. Some programs are particularly long, but the teacher doesn't care. As long as there is a little fault, we should find out and try our best to make the students' works more perfect. Some teachers will show students how to operate over and over again until the students really understand.

This spirit is worth learning from each of us. I think metalworking practice is very meaningful and practical for myself. It has added a wonderful stroke to my college life. It brought me closer to the life of skilled workers, increased my professional knowledge and made me realize my strengths and weaknesses.

When we are employed two years later, the employment unit will not tell us the work to be done in detail like the teacher, but we need to observe and learn by ourselves. Without this ability, it is difficult to be competent for future challenges. With the rapid development of science and the wide application of new technologies, there will be many fields that we have never touched. Only by daring to try can we make a breakthrough and make innovations.

Just like the lathe worker we contact, although it is very dangerous, it needs every student to operate and make finished products, so as to exercise everyone's courage to try. In addition, casting and seemingly simple disassembly require careful observation and repeated practice. If we fail, we will start all over again, which will cultivate our frustration and so on.