
TABLE OF CONTENTS B-63782EN/01
c-2
3.17 NURBS INTERPOLATION(G06.2) ..............................................................61
3.17.1 NURBS Interpolation Additional Functions ......................................................... 63
3.18 3-DIMENSIONAL CIRCULAR INTERPOLATION (G02.4 AND G03.4) .......65
4 THREAD CUTTING..............................................................................66
4.1 THREAD CUTTING (G33) ...........................................................................67
4.2 INCH THREADING (G33)............................................................................69
4.3 CONTINUOUS THREADING (G33).............................................................70
5 FEED FUNCTION.................................................................................71
5.1 RAPID TRAVERSE......................................................................................72
5.2 CUTTING FEED ..........................................................................................73
5.2.1 Tangential Speed Constant Control....................................................................... 73
5.2.2 Cutting Feedrate Clamp......................................................................................... 73
5.2.3 Feed Per Minute (G94).......................................................................................... 73
5.2.4 Feed Per Revolution (G95).................................................................................... 74
5.2.5 Inverse Time Feed (G93)....................................................................................... 74
5.2.6 One-digit F Code Feed........................................................................................... 74
5.2.7 Setting Input of Cutting Feedrate .......................................................................... 75
5.2.8 Feedrate Specification on a Virtual Circle for a Rotary Axis ............................... 75
5.3 OVERRIDE ..................................................................................................76
5.3.1 Feedrate Override .................................................................................................. 76
5.3.2 Second Feed Rate Override ................................................................................... 76
5.3.3 Rapid Traverse Override ....................................................................................... 76
5.3.4 Override Cancel..................................................................................................... 76
5.3.5 Jog Override .......................................................................................................... 76
5.4 ACCELERATION/DECELERATION CONTROL..........................................77
5.4.1 Automatic Acceleration/Deceleration Control After Interpolation....................... 77
5.4.2 Acceleration/Deceleration before Interpolation of Linear-Type Rapid Traverse . 79
5.4.3 Optimum Torque Acceleration/Deceleration ........................................................ 80
5.5 PMC AXIS CONTROL CONSTANT FEEDRATE COMMAND
ACCELERATION/DECELERATION FUNCTION.........................................81
5.6 SPEED CNTROL COMMAND AT THE CORNER OF BLOCK....................82
5.6.1 Exact Stop (G09) ................................................................................................... 82
5.6.2 Exact Stop Mode (G61)......................................................................................... 82
5.6.3 Cutting Mode (G64) .............................................................................................. 82
5.6.4 Tapping Mode (G63)............................................................................................. 82
5.6.5 Automatic Corner Override (G62) ........................................................................ 83