On the NC machining simulation system in the NC Teaching.doc

On the NC machining simulation system in the NC TeachingAbstract: The emergence of todays CNC machining simulation software, CNC programming and CNC machining of teaching and practical training accident-prone areas, machine wear and tear serious, and high costs, discusses the production CNC machining simulation system, role, function, and NC Professional Teaching how to effectively use CNC machining simulation software embodies the NC Professional Teaching a new concept of modern education, teaching methods and teaching mode. Keywords: CNC machine tool; NC machining simulation system software; NC teaching; NC Practice An elaboration of the problem Along with the development of science and technology, numerical control technology is being widely used. NC talent the market much-needed talent, how to train as soon as possible to meet the market needs, to master CNC technology, CNC programming and operation of skilled personnel into the teaching of NC workers must study. NC teaching profession as a teacher, how deeply the theory and practical teaching of NC organically combine deserves our serious discussion and study. As the CNC machine tool is a new technology and equipment, so the training of skilled workers NC and CNC machine tools, teaching is still in its infancy state, how to use CNC machining simulation system for teaching and learning is at the exploratory stage, it is necessary for NC Teaching models, teaching methods and teaching methods to explore the improvement of useful, innovative professional career skills, identification of numerical methods of work, the establishment of a complete set of teaching a new system of NC. 2 NC Internship (experimental) teaching problem (1) CNC machine tool is a mechanical and electrical integration, new equipment, the price should be much more expensive than the ordinary machine tools. CNC machine tool operation training, if totally dependent on actual CNC machine tools for training, input large consumption of more costly. (2) Multi-system numerical control machine tools, model number and updated quickly, the college is not possible in terms of all the systems were fully, so that they would often make the students have learned in school systems and the plant does not match the situation, so that the factory can not adapt to machines. (3) CNC machine tool is automatically run, students are beginners, often due to negligence or in the programming operation errors caused by tool or machine damage, and even cause physical harm. In order to solve these problems, our hospital from the NC Majors since the attempt to use CNC machining simulation software for teaching all of my NC teaching hospital has played a major role. 3 Generation NC Machining Simulation System With the development of computing technology, especially virtual reality technologies and concepts developed, that can simulate the actual device processing environment and working conditions of computer simulation training system. It uses computer simulation training system for training, not only can quickly improve the quality of the operator, but also safe, reliable, low cost. At present, many schools in the country have been used in the computer simulation of the initial training of NC operation among the teaching, but also produces a variety of simulation teaching system. Simple terms is the use of computers and other specialized hardware and software to generate a real scene of the simulation, participants can interact with the simulation of scenarios to experience a feeling of close to the real scene. Therefore, further training of the operators actual job skills. 4 NC machining simulation system for application method 4.1 Live applied teaching methods so that students become the main body of Classroom Learning As most of the vocational students to learn a weak foundation, it is very difficult for teachers to teaching, the traditional teaching methods so that students find it difficult to accept. Therefore, the use of advanced teaching methods, teaching methods to improve student interest in learning is very important. NC professional teachers should have a higher level of education and teaching ability, strong professional competence of NC can be a more skillful use of action-oriented teaching methods, teaching in the classroom truly reflects the student-centered, highlight the students hands-on mental and physical activities, becomes a student passive learning to active learning. 4.2 The proper use of CNC machining simulation system into full play the role of classroom teaching NC machining simulation system is mainly used in CNC programming and operation of this theory curriculum, but also as a CNC operator skills training aids. Teachers should attach great importance to NC machining simulation system in the teaching methods, straightened CNC machining simulation system in the teaching position, we can not rely entirely on CNC machining simulation system for teachers to abandon the guiding role in teaching, nor in teaching Teacher monologue conventional mode of teaching is the neglect of the application of CNC machining simulation system should be scientifically and fully play to CNC machining simulation system in teaching role. 4.3 The arrangements for the teaching of science content, master the progressive asymptotic numerical control programming and operating skills In the teaching process in the teaching content was divided into three teaching modules. The first is the basis of the module, the main explanation and training for the most commonly used FANUC CNC system programming methods, operation and applications, because the system is equipped with FANUC CNC machine tools in the CNC machining of high market share, so the module is the focus of teaching need to make the students proficient, flexible and Applications: Second To improve the module, mainly to explain the system and training SIEMENS machine programming and operation, in order to help students under different CNC programming CNC machine tools of different methods of understanding and application capability; Module 3 is overstating the module, mainly to explain the system of domestic central NC NC NC NC system programming and methods of operation, to expand the students knowledge, and thus to adapt to a designated system vocational NC Contest - Huazhong CNC programming and operation of the system. Of these three modules of the teaching can be arranged according to different levels of students. In this way, students can confidently face when engaged by the operation of CNC machine tools, quickly adapt to the work undertaken. Of course, using this method, we have college contest in a variety of competitions have made a good result. 4.4 The evaluation of the proper teaching to enhance students sense of self-conscious learning Teaching carried out by the teaching evaluations include student self-evaluation, student evaluation and mutual evaluation of teachers. -On application of CNC machining simulation system for NC programming and operations practice, when the teacher evaluation based on the results and timely registration of each practice. Evaluation methods include oral evaluations and questions, evaluation, and examination questions methods of assessment, including evaluation and final evaluation issues. Teachers to students should pay attention to the oral assessment methods and the choice of language, the students are not doing a good job of direct criticism of the method, but pointed out that where the student has done well which is not very good, how should the improvements; those who are more poor students called a little bit weak student. Classroom test should be a strong purpose and not make life difficult for the students, but by testing the students to enhance student learning awareness, passion for learning, learning consciousness and self-confidence. Reposted elsewhere in the paper for free download http:/ 5 NC Machining Simulation System Effect 5.1 Theory of the application of CNC machining simulation system can greatly enhance students interest in learning The introduction of CNC machining simulation software applications prior to CNC programming and operation of courses and other courses teaching the same pattern, mainly classroom teaching, the students compiled by the procedures of their own correctness by teachers, to the knowledge of these duties. This approach teachers individually screening procedures required to carry out the inspection process, the contents of many and very troublesome to some of the CNC machine tools are often not pass the writing is not easy to detect errors, and these problems in practical CNC programming is very important. As for the CNC operational problems, the various buttons on the blackboard to explain the role and use of the name is a thankless task, teaching those boring, boring, Christianity. The introduction of CNC machining simulation system for teaching later, the students can be directly programmed in the computer simulation of NC machining simulation system for presentations, and written to the programming error can directly see that the machine operator panel use and parts machining process also, and the actual process is very similar to students from any angle CNC machining process, the process of rough processing finished vivid, visual image, easy to learn and master, programming and operation of the operation can be directly on the computer checks, each time a check times and results, so that students in this course have a strong interest in learning. 5.2 Application of CNC machining skills training simulation system can reduce the cost of training to improve the training efficiency and security CNC machine tool is a more expensive mechanical and electrical integration, new equipment, it has high-speed, high efficiency, high-precision characteristics, if the beginners let the students when to operate directly on the CNC machine tools, cutting tools such phenomena may occur bashed in, and even because of operational errors caused physical harm to students. CNC machining simulation system for the introduction of skills to operate, we can greatly reduce the consumption of Training, about 50 aircraft, including 50-bit computer node NC machining simulation system of genuine software at a cost of 300