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The processing line of the cnc turning lathe turning circle is shown in Figure 2 ABCDEF, where A is the tool change point, B is the entry point, CDE is the tool cutting path, E is the cut-out point, and F is the retraction point.
Milling cutters side milling To avoid the normal cutting and cutting out of the outer contour of a part when milling the outer contour of a plane part, as shown in Fig. 3, it should be cut or cut along the tangential extension of the outer contour curve, so as to avoid the tool Blade cuts produced when cutting in or out to ensure a smooth transition of the part's surface. When milling closes the inner contour surface, the tool also feeds and retracts along the tangential direction of the contour line. As shown in Figure 4, ABC cuts the contour path for the tool tangentially, and CDC closes the inner contour path for the tool cutting workpiece. CEA Cut the contour trajectory for the tool tangentially.
Reasonably arranging the hole machining positioning path can improve the position accuracy of the hole. As shown in FIG. 5, four holes A, B, C, and D are processed in the XY plane. When the hole processing route is arranged, attention must be paid to the consistency of the positioning directions of the holes. That is to say, the unidirectional approach positioning method is used to move the C-hole to the left after moving a certain distance, and then return to the machining D-hole. This positioning method avoids the positioning error caused by the backlash of the transmission system and improves the D-hole and others. Positional accuracy between holes.
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