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What are the main features of cnc machining?
CNC machine tools were selected from the outset to machine aircraft parts with complex profiles, solving the key to the difficulty of solving ordinary machining methods. The most important feature of CNC machining is the use of perforated tape (or tape) to control the machine tool for automatic processing. As aircraft, rocket and engine parts have different characteristics: aircraft and rocket zero, large component size, complex surface; engine zero, small component size, high precision. Therefore, the aircraft, rocket manufacturing sector and engine manufacturing sector selected by the CNC machine tools are different. In the aircraft and rocket manufacturing to use continuous control of large CNC milling machine, and in the engine manufacturing both continuous control of CNC machine tools, but also point control of CNC machine tools (such as CNC drilling machine, CNC boring machine, machining center, etc.).
Work process concentration
CNC machine tools generally come with automatic tool changers and tool magazines, and the tool changing process is controlled automatically by the program, therefore, the process is more concentrated. Process concentration brings great economic benefits.
(1) reduce the floor space of machine tools, saving plant.
(2) reduce or no intermediate links (such as intermediate testing of semi-finished products, temporary storage and handling, etc.), both to save time and labor.
Automation
CNC machine tool processing, no manual control of the tool, a high degree of automation. The benefits are obvious.
(1) reduced requirements for the operator.
An ordinary machine tool senior workers, not a short period of time can be trained, and a non-programmable CNC workers training time is very short (such as CNC turners need a week can, will also write a simple processing program). And, CNC workers on CNC machine tools to process the parts than ordinary workers on traditional machine tools to process the parts of high precision, time to save.
(2) reduce the labor intensity of workers: CNC workers in the processing process, most of the time is excluded from the processing process, very labor-saving.
(3) stable product quality: CNC machine tool processing automation, eliminating the fatigue of workers on ordinary machine tools, carelessness, estimation and other human errors, to improve the consistency of the product.
(4) high processing efficiency: CNC machine tools such as automatic tool change makes the processing process compact and improves labor productivity.
High flexibility
Traditional general-purpose machine tools, although good flexibility, but low efficiency; and the traditional special machine, although very high efficiency, but poor adaptability of the parts, rigid, poor flexibility, it is difficult to adapt to the market economy under the fierce competition brought about by frequent product changes. Just change the program, you can process new parts on CNC machine tools, and automated operation, good flexibility, high efficiency, so CNC machine tools can be well adapted to market competition.
High capacity
Machine tools can accurately process a variety of contours, and some contours can not be processed on ordinary machine tools. CNC machine tools are particularly suitable for the following occasions.
1, no scrap parts.
2, new product development.
3, the urgent need for the processing of parts.
