Fanuc Series 15i/150i-MA (Programming) Operators Manual

B-63324EN/03 TABLE OF CONTENTS
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5.8 FEEDRATE SPECIFICATION ON A VIRTUAL CIRCLE FOR A ROTARY
AXIS...........................................................................................................173
5.9 AUTOMATIC FEEDRATE CONTROL BY AREA.......................................177
6 REFERENCE POSITION....................................................................180
6.1 REFERENCE POSITION RETURN...........................................................181
6.2 FLOATING REFERENCE POSITION RETURN (G30.1)...........................185
7 COORDINATE SYSTEM....................................................................................187
7.1 MACHINE COORDINATE SYSTEM..........................................................188
7.2 WORKPIECE COORDINATE SYSTEM ....................................................190
7.2.1 Setting a Workpiece Coordinate System (G92) .................................................. 191
7.2.2 Setting Workpiece Coordinate System (G54 to G59) ......................................... 192
7.2.3 Selecting Workpiece Coordinate System(G54 to G59)....................................... 194
7.2.4 Changing Workpiece Coordinate System............................................................ 195
7.2.5 Adding Workpiece Coordinate Systems (G54.1)................................................ 198
7.2.6 Workpiece Coordinate System Preset (G92.1).................................................... 200
7.2.7 Automatically Presetting the Workpiece Coordinate System ............................. 202
7.3 LOCAL COORDINATE SYSTEM ..............................................................203
7.4 PLANE SELECTION..................................................................................205
7.5 PLANE CONVERSION FUNCTION...........................................................206
8 COORDINATE VALUE AND DIMENSION.........................................212
8.1 ABSOLUTE AND INCREMENTAL PROGRAMMING................................213
8.2 POLAR COORDINATE COMMAND (G15,G16) ........................................214
8.3 INCH/METRIC CONVERSION (G20,G21) ................................................217
8.4 DECIMAL POINT INPUT/POCKET CALCULATOR TYPE DECIMAL POINT
INPUT ........................................................................................................218
8.5 DIAMETER AND RADIUS PROGRAMMING ............................................220
8.6 PROGRAMMABLE SWITCHING OF DIAMETER/RADIUS SPECIFICATION
...................................................................................................................221
9 SPINDLE SPEED FUNCTION (S FUNCTION)...................................223
9.1 SPECIFYING THE SPINDLE SPEED WITH A CODE ..............................224
9.2 CONSTANT SURFACE SPEED CONTROL (G96, G97) ..........................225
9.3 SPINDLE POSITIONING FUNCTION........................................................230
9.3.1 Spindle Positioning.............................................................................................. 232
9.3.2 Orientation........................................................................................................... 233
9.3.3 Canceling the Spindle Positioning Mode ............................................................ 234
9.4 SPINDLE SPEED FLUCTUATION DETECTION (G26, G25)....................236

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