Siemens SINUMERIK 840D Function Manual page 11

5 V1: Feedrates ...........................................................................................................................................125
5.1 Brief description ...................................................................................................................125
5.2 Path feedrate F ....................................................................................................................126
5.2.1 Feedrate type G93, G94, G95..............................................................................................128
5.2.2 Type of feedrate G96, G961, G962, G97, G971 ..................................................................131
5.2.3 Feedrate for thread cutting (G33, G34, G35, G335, G336) ................................................135
5.2.3.1 Feedrate with G33................................................................................................................135
5.2.3.2 Linear increasing/decreasing thread pitch change with G34 and G35 ................................136
5.2.3.3 Acceleration behavior of the axis for G33, G34 and G35 ....................................................138
5.2.3.4 Programmed run-in and run-out path for G33, G34 and G35 (DITS, DITE) ........................140
5.2.3.5 Fast retraction during thread cutting ....................................................................................142
5.2.3.6 Convex thread (G335, G336)...............................................................................................146
5.2.4 Feedrate for tapping without compensating chuck (G331, G332)........................................151
5.2.5 Feedrate for tapping with compensating chuck (G63) .........................................................153
5.2.6 FGROUP and FGREF..........................................................................................................153
5.3 Feedrate for positioning axes (FA).......................................................................................156
5.4 Feedrate control ...................................................................................................................157
5.4.1 Feedrate disable and feedrate/spindle stop .........................................................................157
5.4.2 Feedrate override via machine control panel .......................................................................159
5.4.3 Programmable feedrate override .........................................................................................163
5.4.4 Dry run feedrate ...................................................................................................................163
5.4.5 Multiple feedrate values in one block ...................................................................................165
5.4.6 Fixed feedrate values ..........................................................................................................170
5.4.7 Programmable feedrate characteristics ...............................................................................172
5.4.8 Feedrate for chamfer/rounding FRC, FRCM........................................................................173
5.4.9 Non-modal feedrate FB........................................................................................................175
5.4.10 Influencing the single axis dynamic response .....................................................................176
5.5 Boundary conditions.............................................................................................................181
5.6 Data lists ..............................................................................................................................182
5.6.1 Machine data........................................................................................................................182
5.6.1.1 NC-specific machine data ....................................................................................................182
5.6.1.2 Channel-specific machine data ............................................................................................182
5.6.1.3 Axis/Spindle-specific machine data......................................................................................183
5.6.2 Setting data ..........................................................................................................................183
5.6.2.1 Channel-specific setting data ...............................................................................................183
5.6.2.2 Axis/spindle-specific setting data .........................................................................................184
6 P2: Positioning axes .................................................................................................................................185
6.1 Brief description ...................................................................................................................185
6.2 Own channel, positioning axis or concurrent positioning axis..............................................187
6.2.1 Own channel ........................................................................................................................188
6.2.2 Positioning axis ....................................................................................................................188
6.2.3 Concurrent positioning axis..................................................................................................191
6.3 Motion behavior and interpolation functions.........................................................................192
6.3.1 Path interpolator and axis interpolator .................................................................................192
6.3.2 Autonomous singleaxis operations ......................................................................................193
6.3.3 Autonomous single-axis functions with NC-controlled ESR.................................................197
Axes and spindles
Function Manual, 06/2019, A5E47437747B AA
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