Principle Of CNC Machining Process Division
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The division of the CNC processing process can take two different principles, namely the principle of process concentration and the principle of process dispersion. CNC machining is commanded by the control system to make the tool meet the requirements of various movements, in the form of numbers and letters to indicate the shape and size of the workpiece and other technical requirements and processing requirements. It refers to the process of machining parts on CNC machines. In order to improve the automation of production, shorten the programming time and reduce the cost of CNC machining, a series of advanced CNC machining technologies have been developed and used in the aerospace industry.
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(1) Principle of process concentration
The principle of CNC machining process concentration means that the process does not include as much processing website content as possible, thereby reducing the total number of processes. The CNC machining process concentration principle applies to workpiece machining on high-efficiency special-purpose equipment and CNC machine tools (attributes: automated machine tools). The advantages of adopting the principle of process concentration are: improving the efficiency of the production; reducing the number of processes, shortening the process route, simplifying the production planning and production organization work; reducing the number of foundations, the number of workers and the floor space; The number of clamps not only ensures the positional accuracy (accuracy) between the machined surfaces, but also reduces the number of clamps and the auxiliary time for clamping the work piece. However, CNC processing equipment and industrial equipment investment (meaning: the accumulation of future income) is large, adjustment and maintenance is more troublesome, and the production preparation cycle is longer, which is not conducive to conversion.
(2) Principles of CNC process dispersion
The process dispersion is to disperse the processing of the work piece in a large number of CNC machining processes, and the processing content of each process is small. CNC machining is a process for machining parts on CNC machine tools. The process specifications of CNC machine tools and traditional machine tools are generally consistent, but significant changes have also taken place. A machining method that uses digital information to control the displacement of parts and tools. It is an effective way to solve the problems of variable parts, small batch size, complex shape and high precision, and to achieve high efficiency and automatic processing. CNC machining is commanded by the control system to make the tool meet the requirements of various movements, in the form of numbers and letters to indicate the shape and size of the work piece and other technical requirements and processing requirements. It refers to the process of machining parts on CNC machines. In order to improve the automation of production, shorten the programming time and reduce the cost of CNC machining, a series of advanced CNC machining technologies have been developed and used in the aerospace industry. The principle of CNC machining process dispersion is applicable to processing equipment and process equipment with simple structure. The advantage of adopting the principle of process dispersion is that the processing equipment and process equipment are simple to operate, convenient to adjust and maintain, and easy to change production; it is beneficial to select a reasonable cutting amount and reduce maneuver time. However, the process route is long, the floor space is large, the number of equipment and workers required is large, and the machining accuracy (accuracy) is greatly affected by the technical level of the operator.
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