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Cnc machining process division principle tool selection method

Cnc machining process division principle tool selection method

Table of Content

The division of cnc processing procedures can adopt two different principles, namely the principle of process concentration and the principle of process dispersion.

The principle of process concentration

The principle of concentration of cnc processing procedures means that each procedure includes as much processing content as possible, thereby reducing the total number of procedures. The principle of concentration of cnc processing procedures is applicable to the processing of workpieces on high-efficiency special equipment and CNC machine tools. The advantages of adopting the principle of process concentration are: improve production efficiency; reduce the number of processes, shorten the process route, simplify production planning and production organization work; reduce the basic number, number of operators and floor space; reduce the number of CNC machining of workpiece clamping times, It not only ensures the mutual position accuracy between the processing surfaces, but also reduces the number of fixtures and the auxiliary time for clamping the workpiece. However, the investment in cnc processing equipment and industrial equipment is large, adjustment and maintenance are troublesome, and the production preparation cycle is long, which is not conducive to conversion.

Principles of dispersion of cnc processing procedures

Process dispersion is to disperse the processing of the workpiece in more cnc processing processes, and the processing content of each process is small. The principle of dispersion of cnc processing procedures is applicable to processing equipment and process equipment with a simple structure.

The selection of CNC machining tools The selection of tools is carried out under the technical condition of human-computer interaction technology programmed by CNC precision machining process in the machining center. According to the production and processing professional ability of the machining center, the characteristics of the raw materials of the commodity product, the production process, the cutting performance and other related factors, the cutting tools and collets should be appropriately used.

The general criteria for the selection of CNC machining tools are: convenient and quick installation and adjustment, good bending rigidity, wear resistance and high precision. Considering the necessary conditions of production and processing requirements, try to choose a shorter collet to improve the bending rigidity of the tool production and processing. When selecting a tool, the specifications and models of the tool must be consistent with the surface specifications and models of the product being produced and processed.

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