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CNC lathe structure Section 1 nc lathe profile According to the type of processed spares and different sizes, turning processing used lathe have vertical and horizontal structure,, imitation form, instrument, etc. Various types. According to different processed surface used tool also have external circular lathe tools, end lathe tools, boring knife knife and cutting tools, thread different types. In addition, properly choose and use fixture, not only can reliably guarantee machining quality, enhance productivity, still can effectively develop lathing range. A, nc lathe type 1, according to the structure classification CNC lathe is divided into vertical and horizontal nc CNC lathe two types. 1) vertical nc lathe Used for turning diameter larger disk parts turning processing. 2) horizontal nc lathe Used for axial dimensions of greater or lesser dish kind parts processing. Relative and vertical CNC lathe, CNC lathe for horizontal structure form more, processing function rich, used area is more extensive. This chapter is mainly to the horizontal nc lathe structure are described. As shown in figure 2-1-1 shows two different kinds of lathes Horizontal nc lathe according to their function, it can be divided into: economical CNC lathe, CNC lathe and ordinary machining center. A) economic numerical control lathes Use is stepping motors and single-chip microcomputer, is passed on the ordinary lathe cutting feeding system improve formed after the simple numerical controlled lathe, with low cost, but the automation degree and function are poor, processing accuracy is not high also, suitable for less demanding rotary parts turning processing. B) tong nc lathe According to machining requirements on the structure spe-cial design and equipped with universal CNC system and the formation of CNC lathe, CNC system function is strong, automation degree and machining precision is high, applicable to general rotary parts turning processing. This kind of nc lathe processing can also contro