Siemens SINUMERIK 840D sl Function Manual page 30

Table of contents
18.8.1 G91 extension....................................................................................................................1481
18.8.2 Machining in direction of tool orientation............................................................................1483
18.9 Basic tool orientation..........................................................................................................1484
18.10 Special handling of tool compensations.............................................................................1488
18.10.1 Relevant setting data.........................................................................................................1488
18.10.2 Mirror tool lengths (SD42900 $SC_MIRROR_TOOL_LENGTH)........................................1489
18.10.3 Mirror wear lengths (SD42920 $SC_WEAR_SIGN_CUTPOS)..........................................1490
18.10.4 Tool length and plane change (SD42940 $SC_TOOL_LENGTH_CONST).......................1491
18.10.5 Tool type (SD42950 $SC_TOOL_LENGTH_TYPE)...........................................................1492
18.10.6 Tool lengths in the WCS, allowing for the orientation........................................................1493
18.10.7 Tool length offsets in tool direction.....................................................................................1493
18.11 Sum offsets and setup offsets............................................................................................1498
18.11.1 General..............................................................................................................................1498
18.11.2 Description of function........................................................................................................1499
18.11.3 Activation............................................................................................................................1502
18.11.4 Examples...........................................................................................................................1507
18.11.5 Upgrades for Tool Length Determination...........................................................................1508
18.11.5.1 Taking the compensation values into account location-specifically and workpiece-
specifically..........................................................................................................................1508
18.11.5.2 Functionality of the individual wear values.........................................................................1512
18.12 Working with tool environments.........................................................................................1516
18.12.1 General..............................................................................................................................1516
18.12.2 Saving with TOOLENV.......................................................................................................1516
18.12.3 Delete tool environment.....................................................................................................1518
18.12.4 How many environments and which ones are saved?.......................................................1519
18.12.5 Read T, D, DL from a tool environment.............................................................................1520
18.12.6 Read tool lengths, tool length components........................................................................1521
18.12.7 Changing tool components................................................................................................1526
18.13 Tool lengths L1, L2, L3 assignment: LENTOAX................................................................1531
18.14 Supplementary conditions..................................................................................................1534
18.14.1 Flat D number structure.....................................................................................................1534
18.14.2 SD42935 expansions.........................................................................................................1535
18.15 Examples...........................................................................................................................1535
18.15.1 Toolholder with orientation capability.................................................................................1535
18.15.1.1 Example: Toolholder with orientation capability.................................................................1535
18.15.1.2 Example of toolholder with orientation capability with rotary table.....................................1536
18.15.1.3 Basic tool orientation example...........................................................................................1538
18.15.1.4 Calculation of compensation values on a location-specific and workpiece-specific basis..1539
18.15.2 Examples 3-6: SETTCOR function for tool environments..................................................1541
18.16 Data lists............................................................................................................................1547
18.16.1 Machine data......................................................................................................................1547
18.16.1.1 NC-specific machine data..................................................................................................1547
18.16.1.2 Channelspecific machine data...........................................................................................1548
18.16.1.3 Axis/spindlespecific machine data.....................................................................................1549
18.16.2 Setting data........................................................................................................................1549
18.16.2.1 Channelspecific setting data..............................................................................................1549
18.16.3 Signals...............................................................................................................................1550
18.16.3.1 Signals from channel..........................................................................................................1550
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Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions