Siemens sinumerik 840D sl Function Manual

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Contents

Detailed description2.1 Circumferential millingSpecial functions: 3D Tool Radius Compensation (W5)16 Function Manual, 11/2006, 6FC5397-2BP10-2BA02.1.3 Behavior at inside cornersCollision monitoringWith the 3D compensation function, only adjacent traversing blocks are taken into account inthe calculation of intersections.Path segments must be long enough to ensure that the contact points of the tool do notcross the block limits into other blocks when the orientation changes at an inside corner.1111&KDQJHLQRULHQWDWLRQFigure 2-7 The contact points of the tool must not cross the limits of block N70 or N90 as a result ofthe change in orientation in block N80Example:N10 A0 B0 X0 Y0 Z0 F5000N20 T1 D1 ; Radius=5N30 TRAORI(1) ; Transformation selectionN40 CUT3DC ;3D TRC selectionN50 ORIDN60 G42 X10 Y10 ; TRC selectionN70 X60N80 A3=1 B3=0 C3=1N90 X10; Change in orientation of inside corners generated from; N70 and N90N100 G40 X0 Y0N120 M30Without change in orientationIf the orientation is not changed at the block limit, then the contour need only be consideredin the plane vertical to the tool axis. In this case, the tool cross-section is a circle whichtouches the two contours. The geometric relations in this plane are identical to those for21/2D compensation.