Siemens SINUMERIK 840D Function Manual

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5 V1: Feedrates ...........................................................................................................................................1255.1 Brief description ...................................................................................................................1255.2 Path feedrate F ....................................................................................................................1265.2.1 Feedrate type G93, G94, G95..............................................................................................1285.2.2 Type of feedrate G96, G961, G962, G97, G971 ..................................................................1315.2.3 Feedrate for thread cutting (G33, G34, G35, G335, G336) ................................................1355.2.3.1 Feedrate with G33................................................................................................................1355.2.3.2 Linear increasing/decreasing thread pitch change with G34 and G35 ................................1365.2.3.3 Acceleration behavior of the axis for G33, G34 and G35 ....................................................1385.2.3.4 Programmed run-in and run-out path for G33, G34 and G35 (DITS, DITE) ........................1405.2.3.5 Fast retraction during thread cutting ....................................................................................1425.2.3.6 Convex thread (G335, G336)...............................................................................................1465.2.4 Feedrate for tapping without compensating chuck (G331, G332)........................................1515.2.5 Feedrate for tapping with compensating chuck (G63) .........................................................1535.2.6 FGROUP and FGREF..........................................................................................................1535.3 Feedrate for positioning axes (FA).......................................................................................1565.4 Feedrate control ...................................................................................................................1575.4.1 Feedrate disable and feedrate/spindle stop .........................................................................1575.4.2 Feedrate override via machine control panel .......................................................................1595.4.3 Programmable feedrate override .........................................................................................1635.4.4 Dry run feedrate ...................................................................................................................1635.4.5 Multiple feedrate values in one block ...................................................................................1655.4.6 Fixed feedrate values ..........................................................................................................1705.4.7 Programmable feedrate characteristics ...............................................................................1725.4.8 Feedrate for chamfer/rounding FRC, FRCM........................................................................1735.4.9 Non-modal feedrate FB........................................................................................................1755.4.10 Influencing the single axis dynamic response .....................................................................1765.5 Boundary conditions.............................................................................................................1815.6 Data lists ..............................................................................................................................1825.6.1 Machine data........................................................................................................................1825.6.1.1 NC-specific machine data ....................................................................................................1825.6.1.2 Channel-specific machine data ............................................................................................1825.6.1.3 Axis/Spindle-specific machine data......................................................................................1835.6.2 Setting data ..........................................................................................................................1835.6.2.1 Channel-specific setting data ...............................................................................................1835.6.2.2 Axis/spindle-specific setting data .........................................................................................1846 P2: Positioning axes .................................................................................................................................1856.1 Brief description ...................................................................................................................1856.2 Own channel, positioning axis or concurrent positioning axis..............................................1876.2.1 Own channel ........................................................................................................................1886.2.2 Positioning axis ....................................................................................................................1886.2.3 Concurrent positioning axis..................................................................................................1916.3 Motion behavior and interpolation functions.........................................................................1926.3.1 Path interpolator and axis interpolator .................................................................................1926.3.2 Autonomous singleaxis operations ......................................................................................1936.3.3 Autonomous single-axis functions with NC-controlled ESR.................................................197Table of contentsAxes and spindlesFunction Manual, 06/2019, A5E47437747B AA 11