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The meaning of machining

November 14, 2022

In practical application, any kind of product is processed and inspected in various series before it can be arranged for sale and use in the outside world. According to the data, precision machining is the processing of finished products inside the most number of work of an item. After all, with excellent performance of machinery and equipment can produce better quality products. With the development of the modern industry, the structure and configuration of machinery has become a focus, only the technology continues to improve upward, the future development of various industries to have greater play.

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Precision machining is the process of changing the size or performance of a workpiece by a mechanical device. The difference in processing methods can be divided into cutting and pressure machining. Mechanical parts are composed of a number of surfaces, the study of the relative relationship between the surface of the parts, must determine a benchmark, the benchmark is used to determine the location of other points, lines, surfaces based on the points, lines, surfaces on the parts. According to the different functions of the benchmark, the benchmark can be divided into two categories: design benchmark and process benchmark.

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Precision machining design benchmark is used to determine the location of other points, lines and surfaces on the part diagram, called the design benchmark. Precision machining process benchmark is the benchmark used in the process of processing and assembly of parts, called the process benchmark. Process benchmark according to the different uses are divided into assembly benchmark, measurement benchmark and positioning benchmark. A, assembly benchmark: assembly to determine the position of the part in the component or product benchmark, known as the assembly benchmark. Second, the measurement benchmark: to check the size and position of the machined surface benchmark, known as the measurement benchmark. Third, the positioning datum: the datum used to position the workpiece during processing, known as the positioning datum. As the positioning reference surface (or line, point), in the first process can only choose the unprocessed rough surface, this positioning surface is called the rough benchmark. In each subsequent process can be used in the machined surface as a positioning reference, this positioning surface is called the fine reference.