According to the processing characteristics of CNC milling, there are three forms of division of the processing procedures of CNC milling.
1. Divide the process according to the clamping positioning. This method is generally suitable for workpieces with little processing content, and mainly divides the processing part into several parts, and each process processes a part of it. For example, when the shape is processed by CNC milling, when the inner cavity is clamped and processed by the inner cavity, the shape is clamped.
2. Divide the working procedure by roughing and finishing. For CNC milling parts that are prone to processing deformation, considering the processing accuracy and deformation of the workpiece, the processes can be divided according to the principle of separating rough and finishing, that is, rough first and then fine.
3. In order to reduce the stroke of the number of tool changes, the principle of tool concentration can be adopted to divide the process.
In the division of processes, it is necessary to flexibly grasp and be reasonable according to factors such as the structural requirements of the workpiece, the installation method of the workpiece, the processing technology of the workpiece, the performance of CNC milling, and the production organization and management of the factory.
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CNC milling can accurately estimate the control information in advance, and it is easy to realize the standardization of processing information. At present, it has been organically combined with computer-aided manufacturing and is the basis of modern integrated manufacturing technology.
Processing range of small CNC milling
(1) Plane processing. The milling plane of the CNC machine tool can be divided into the horizontal plane (xY) processing of the workpiece, the front plane (xZ) processing of the workpiece and the side plane (yZ) processing of the workpiece. As long as the CNC milling controlled by two platinum and a half can be used to complete such plane milling processing.
(2) Surface processing. If you mill complex curved surfaces, you need to use three-axis or even more-axis CNC milling.
