In one thing, there is a classification of it. The classification is just to make everyone a better choice. When selecting, it can be used for customers and businesses, and better choices.
CNC machining parts are one of them. Then the classification of mechanical parts is There are several types of classifications. Let's talk about the small parts of precision parts processing.
Mechanical CNC machined parts are composed of several surfaces. To study the relative relationship of the surface of the parts, a reference must be determined. The reference is the point, line, and surface on which the position of the other points, lines, and faces is determined. Benchmarks can be divided into design benchmarks and process benchmarks based on the different functions of the benchmark.
1. Design basis
The basis used on the part drawing to determine the position of other points, lines, and faces is called the design basis. As shown in Figure 32-2 [cc2], the design of each outer and inner hole is the axis of the part, the end face A is the design reference of the end faces B, C, and the axis of the inner hole is the outer diameter. The benchmark to the beating.
2. Process benchmark
The reference used by the part during machining and assembly is called the process reference. Process benchmarks are divided into assembly benchmarks, measurement benchmarks, and positioning benchmarks depending on the application.
The above is the classification of mechanical parts. From the above text, we can understand that there are several classifications, and its benchmark is divided into two benchmarks. These two things have Different functions
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