Siemens SINUMERIK 840Di Function Manual page 1674

Contents
2.5 Toolholder with orientation capability....................................................................................... 2-80
2.5.1 General..................................................................................................................................... 2-80
2.5.2 Kinematic interaction and machine design .............................................................................. 2-87
2.5.3 Inclined machining with 3 + 2 axes .......................................................................................... 2-95
2.5.4 Machine with rotary table ......................................................................................................... 2-96
2.4.5 Procedure when using orientational toolholders...................................................................... 2-99
2.5.6 Programming.......................................................................................................................... 2-104
2.5.7 Supplementary conditions and control system response for orientation ............................... 2-105
2.6 Incrementally programmed compensation values ................................................................. 2-108
2.6.1 G91 extension ........................................................................................................................ 2-108
2.6.2 Machining in direction of tool orientation................................................................................ 2-110
2.7 Basic tool orientation.............................................................................................................. 2-111
2.8 Special handling of tool compensations................................................................................. 2-115
2.8.1 Relevant setting data ............................................................................................................. 2-115
2.8.2 Mirroring of tool lengths (SD 42900: MIRROR_TOOL_LENGTH) ......................................... 2-116
2.8.3 Mirroring of wear lengths (SD 42920: WEAR_SIGN_CUTPOS)............................................ 2-117
2.8.4 Tool length and plane change (SD 42940: TOOL_LENGTH_CONST) ................................. 2-119
2.8.5 Tool type (SD 42950: TOOL_LENGTH_TYPE) ..................................................................... 2-120
2.8.6 Temperature offsets in the tool direction (SD 42960: TOOL_TEMP_COMP)........................ 2-121
2.8.7 Tool lengths in the WCS allowing for the orientation ............................................................. 2-121
2.8.8 Tool length offsets in tool direction ........................................................................................ 2-122
2.9 Sum offsets and setup offsets................................................................................................ 2-127
2.9.1 General................................................................................................................................... 2-127
2.9.2 Description of function............................................................................................................ 2-128
2.9.3 Activation................................................................................................................................ 2-131
2.9.4 Examples................................................................................................................................ 2-137
2.9.5 Upgrades for Tool Length Determination............................................................................... 2-138
2.10 Working with tool environments ............................................................................................. 2-138
2.10.1 General................................................................................................................................... 2-138
2.10.2 Saving with TOOLENV........................................................................................................... 2-139
2.10.3 Delete tool environment ......................................................................................................... 2-141
2.10.4 How many environments and which ones are saved? .......................................................... 2-143
2.10.5 Read T, D, DL from a tool environment ................................................................................. 2-143
2.10.6 Read tool lengths, tool length components............................................................................ 2-144
2.11 Tool lengths L1, L2, L3 assignment: LENTOAX .................................................................... 2-149
3 Supplementary conditions....................................................................................................................... 3-1
3.1 Flat D number structure ............................................................................................................. 3-1
3.2 SD42935 expansions ................................................................................................................. 3-2
4 Examples................................................................................................................................................ 4-1
4.1 Toolholder with orientation capability......................................................................................... 4-1
4.1.1 Example of orientational toolholders.......................................................................................... 4-1
4.1.2 Example of orientational toolholders with rotary table ............................................................... 4-2
4.1.3 Example basic tool orientation ................................................................................................... 4-5
4.1.4 Calculation of offsets according to location of use or workpiece ............................................... 4-5
4.2 Examples 3-6: SETTCOR function for tool environments......................................................... 4-8
5 Data lists................................................................................................................................................. 5-1
5.1 Machine data.............................................................................................................................. 5-1
5.1.1 NC-specific machine data .......................................................................................................... 5-1
5.1.2 Channelspecific machine data ................................................................................................... 5-2
5.1.3 Axis-/spindlespecific machine data ............................................................................................ 5-3
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Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Tool Compensation (W1)