Position Spindle - Siemens SINUMERIK 840D sl Commissioning Manual
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- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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NCK start-up
10.6 Parameterization of spindle data
10.6.5
Position spindle
The NC provides an oriented spindle stop function with which the spindle can be moved into
a certain position and held there (e.g. for tool changing purposes). Several programming
commands are available for this function which define the approach and program
processing.
Literature
Function Manual Basic Functions; Spindles
Functionality
● To absolute position (0-360 degrees)
● Incremental position (+/- 999999.99 degrees)
● Positioning without influence of block change (SPOSA)
● Block change when block end position is reached (calculated by interpolation)
The control brakes the spindle down to position control speed at the acceleration rate for
speed operation.
If position control speed has been reached, the control branches into position control mode
and the acceleration rate for position control mode and the K
The interface signal "Exact stop fine" is output to indicate that the programmed position has
been reached (block change when position reached).
Acceleration rate for position control mode must be set such that the current limit is not
reached. Acceleration rate must be entered separately for each gear step.
If the spindle is positioned from zero speed, it is accelerated up to a maximum speed
corresponding to position control speed; the direction is defined via machine data. If no
reference is on hand the direction of movement is as in MD35350
SPIND_POSITIONING_DIR. When position control mode is switched on, contour monitoring
is activated.
176
factor become active.
V
Commissioning Manual, 07/2007, 6FC5397-2AP10-3BA0
IBN CNC: NCK, PLC, drive
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