cam software can be used for computer-aided manufacturing, that is, using computers to manage, control and operate production equipment; its input information is the process route and process content of the part, and the output information is the movement trajectory and movement trajectory of the tool during processing. CNC program. The CAM system controls and manages many aspects of the manufacturing process through a computer hierarchical structure. Its goal is to develop an integrated information network to monitor a broad range of interrelated manufacturing operations and control each operation according to an overall management strategy. .
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
cam software can be used for computer-aided manufacturing.
The core of CAM (computer Aided Manufacturing) is computer numerical control (CNC for short), which is a process or system that applies computers to the manufacturing production process. In 1952, the Massachusetts Institute of Technology in the United States first developed a CNC milling machine. CNC is characterized by the control of machine tools by program instructions encoded on punched paper tape. Since then, a series of CNC machine tools have been developed, including multi-functional machine tools called "machining centers", which can automatically change tools and automatically switch working positions from the tool magazine, and can continuously complete multiple processes such as milling, drilling, reaming, and tapping. , these are all controlled by program instructions. As long as the program instructions are changed, the processing process can be changed. This processing flexibility of CNC is called "flexibility".
CAM (computer Aided Manufacturing): The process of using computers to manage, control and operate production equipment. Its input information is the process route and process content of the part, and its output information is the movement trajectory (tool position file) and CNC program of the tool during processing.
Computer-aided manufacturing system is a multi-faceted work that controls and manages the manufacturing process through a computer hierarchical structure. Its goal is to develop an integrated information network to monitor a broad range of interrelated manufacturing operations and based on a An overall management strategy controls each operation.
A large-scale computer-aided manufacturing system is a computer hierarchical structure network. It is composed of two or three levels of computers. The central computer controls the overall situation and provides processed information. The main computer manages a certain aspect. work, and issue instructions and monitor the subordinate computer workstations or microcomputers. The computer workstations or microcomputers are responsible for a single process control process or management work.
The computer-aided manufacturing system can be divided into hardware and software: the hardware includes CNC machine tools, machining centers, conveying devices, loading and unloading devices, storage devices, testing devices, computers, etc.; the software includes databases, Computer-aided process design, computer-aided numerical control programming, computer-aided tooling design, computer-aided work plan preparation and scheduling, computer-aided quality control, etc.
Software application
1. Application in production optimization design
Incorporate CNC devices into actual production equipment and add them to production equipment in advance Setting the value enables remote control operation. The use of CAM software allows engineering designers to break away from the inherent drawing board design method and use computer software to design equipment structural components. This design method can ensure the precise connection between all components of the structure, while making the structural design more accurate, which plays an important role in improving the quality of production design. In mechanical production, operators can use CNC technology to remotely control instruments. By setting parameter values in advance, operators can automate the operation of instruments, effectively improving the work efficiency and quality of the instruments. In actual production design, programming design changes from manual to automatic. CAM software is usually used in graphics drawing and design processes. Combining data technology with CAM software can further realize the optimized design of the software without changing the original advantages. , on the contrary, it will play a greater role in actual production, and the scope of application will also be expanded. During the operation of mechanical machine tools, the number of plywood installations will be significantly reduced, and the position arrangement of machine tools will become more scientific and rational, significantly reducing the production area and production cycle, and effectively improving the production efficiency of the enterprise.
2. Application in production operation process
The specific operation process of CNC technology in production is as follows. First, reasonable part types and specific design parameters should be pre-set in the CNC system. Their pre-setting plays an important command and guidance role in the operation of production equipment and instruments. Secondly, CAM software can be used to design corresponding parts, working plans, solid model drawings, etc. that are ready to produce molded products. Then, enter the process parameters of the type of product to be processed in the manufacturing software. Using the input of the manufacturing software and production process, the equipment and instruments can effectively realize automated operation, prompting the instrument to run smoothly in all settings of the production operation process. Secondly, the true reliability of the trajectory file must be checked to ensure its feasibility. After the tool path simulation process, the above process is to ensure that the later process operations can be completed smoothly, and the produced parts can truly meet the standard requirements. In addition, for post-processing files, workers can modify and improve the code to form new processing files. Production post-processing files can further generate new code files, and the generation of code files can be backed up, which greatly promotes machine tool production and enables it to proceed smoothly under standardized processes. In addition to processing the generated code files, other related files also need to be processed and executed. After the file verification process and the content update of the relevant code files are completed, they can be directly put into machine tool parts processing to optimize and innovate the processing technology.
3. Application in production quality inspection
Quality inspection is a key link in the production process. The application of CNC and CAM software technology in production quality inspection is also the key to product quality control. link. Based on the original equipment, using this technology for process settings and production operation codes can not only realize the automation of machine operation, but also implement standardized quality inspection procedures for products produced by production machinery and equipment, and strictly control product quality. control. These are of great significance to the development of the machinery operating industry. In addition, the application of this technology in production quality inspection can also set process parameters, standard product values, standard product models, etc. in advance, use templates to synthesize and recheck, so that various components produced and processed by automated process equipment can meet standard requirements. provide assurance. Quality inspection also includes product performance inspection. Performance inspection can take the form of random inspections, and further inspect the operating performance of the sampled products. This inspection process can ensure the overall quality of the produced products. This enables CNC and CAM software technology to give full play to its efficient advantages in practical machine control operations. Once a quality problem is discovered, you can quickly investigate through the backed-up code files to find the cause of the quality problem and solve it as soon as possible to avoid unnecessary economic losses and resource waste caused by input errors such as process parameters and product values.
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