Metal forging is an indispensable basic component in industrial production, and its processing accuracy and size control directly affect the performance and service life of the equipment. Therefore, it is of great significance to improve the processing accuracy and dimension control technology of metal forgings. This paper will focus on the processing accuracy and size control technology of metal forgings to provide useful reference for related industries.
Factors affecting the machining accuracy of metal forgings
Machine tool accuracy: The accuracy of the machine tool is a key factor affecting the machining accuracy of metal forgings. Machine errors usually include positioning errors, guiding errors and cutting errors, which will affect the final machining accuracy.
Tooling accuracy: The accuracy of tooling fixtures also has an important impact on the processing accuracy of metal forgings. The positioning, clamping and guiding accuracy of the fixture are directly related to the positioning and machining quality of the workpiece.
Process parameters: The selection of process parameters has an important impact on the machining accuracy of metal forgings. Reasonable selection of parameters such as cutting speed, feed rate and cutting depth can reduce the error and improve the machining accuracy.
Operating skills: The skill level of the operator is also one of the factors that affect the processing accuracy of metal forgings. The higher the skill level of the operator, the more skilled the operation of the machine tool and tooling, the more able to improve the processing accuracy.
Methods to improve the machining accuracy of metal forgings
Improve the accuracy of the machine tool: by using high-precision machine tools, improve the positioning, orientation and cutting accuracy of the machine tool, so as to reduce the impact of the machine tool error on the processing accuracy.
Improve the precision of tooling: the use of high-precision fixtures and measuring instruments to improve the positioning and measuring accuracy of the workpiece, and then improve the processing accuracy.
Optimization of process parameters: Through the experiment and simulation analysis, optimize the cutting speed, feed rate and cutting depth and other process parameters, reduce the error, improve the machining accuracy.
Improve the operation skills: strengthen the skills training of the operator, improve the operation proficiency of the machine tool and tooling, so as to improve the processing accuracy.
Classification and method of metal forgings dimension control technology
Size measurement control: Through the use of high-precision measuring instruments, such as coordinate measuring instrument, laser scanner, etc., to measure the metal forgings to ensure that the size meets the requirements.
Process parameter control: By adjusting process parameters, such as cutting speed, feed rate and cutting depth, control dimensional error and improve dimensional accuracy.
Machining error control: By optimizing the machining process, the machining error is reduced, thereby improving the dimensional accuracy. For example, adopt reasonable cutting path, adjust tool wear and other measures to reduce the error.
Quality management system control: Through the establishment and improvement of the quality management system, the processing of hardware forgings is comprehensively monitored and managed to ensure that the size meets the requirements.
In this paper, the machining accuracy and dimension control technology of metal forgings are discussed in detail, and the factors affecting the machining accuracy and the methods to improve the machining accuracy are analyzed. At the same time, the classification and methods of dimension control technology are introduced, including dimension measurement control, process parameter control, machining error control and quality management system control. Through the introduction of application examples, the practical application effect of metal forging processing precision and dimension control technology in industrial production is demonstrated. Looking forward to the future, with the continuous progress and innovation of technology, the processing accuracy and size control technology of metal forgings will continue to improve, providing more powerful support for the development of related industries.
