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5.1 Y-Axis Contours—Fundamentals ..... 386
Position of milling contours ..... 386
Cutting limit ..... 387
5.2 Contours in the XY Plane ..... 388
Starting point of contour in XY plane G170-Geo ..... 388
Line segment in XY plane G171-Geo ..... 388
Circular arc in XY plane G172-Geo/G173-Geo ..... 389
Hole in XY plane G370-Geo ..... 390
Linear slot in XY plane, G371-Geo ..... 391
Circular slot in XY plane G372-Geo/G373-Geo ..... 392
Full circle in XY plane G374-Geo ..... 392
Rectangle in XY plane G375-Geo ..... 393
Eccentric polygon in XY plane G377-Geo ..... 393
Linear pattern in XY plane, G471-Geo ..... 394
Circular pattern in XY plane, G472-Geo ..... 395
Single surface in XY plane G376-Geo ..... 396
Centric polygon in XY plane G477-Geo ..... 396
5.3 Contours in the YZ Plane ..... 397
Starting point of contour in YZ plane G180-Geo ..... 397
Line segment in YZ plane G181-Geo ..... 397
Circular arc in YZ plane G182-Geo/G183-Geo ..... 398
Hole in YZ plane G380-Geo ..... 399
Linear slot in YZ plane, G381-Geo ..... 399
Circular slot in YZ plane G382-Geo/G383-Geo ..... 400
Full circle in YZ plane G384-Geo ..... 400
Rectangle in YZ plane G385-Geo ..... 401
Eccentric polygon in YZ plane G387-Geo ..... 401
Linear pattern in YZ plane, G481-Geo ..... 402
Circular pattern in YZ plane, G482-Geo ..... 403
Single surface in YZ plane G386-Geo ..... 404
Centric polygon in YZ plane G487-Geo ..... 404
5.4 Working Planes ..... 405
Y-axis machining ..... 405
G17 XY plane (front or rear face) ..... 405
G18 XZ plane (turning) ..... 405
G19 YZ plane (lateral view / lateral surface) ..... 405
5.5 Tool Positioning in the Y Axis ..... 406
Rapid traverse G0 ..... 406
Approach tool change point G14 ..... 406
Rapid traverse to machine coordinates G701 ..... 407
5 DIN Programming for the Y Axis ..... 385
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