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Compensation (K3)
11.3 Interpolatory compensation
Turning, Milling, Nibbling
210
Function Manual, 11/2012, 6FC5397-1CP10-5BA0
Linear interpolation between interpolation points
The traversing path to be compensated - defined using the start and end positions - is
divided up into several (number depends on error curve shape) path segments of equal size
(see figure). The actual positions that limit these sub-paths are designated "interpolation
points". A compensation value must be entered for each interpolation point (actual position)
during commissioning. The compensation value applied between two interpolation points is
generated on the basis of linear interpolation using the compensation values for the adjacent
interpolation points (i.e. adjacent interpolation points are linked along a line).
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Figure 11-2 Linear interpolation between the interpolation points
Compensation value at reference point
The compensation table should be structured such that the compensation value at the
reference point is "zero". This prevents position jumps occurring when the LEC is activated
(after reference point approach).
11.3.2
LEC
Function
The leadscrew error compensation / measuring system error compensation (LEC) is an axis-
specific compensation.
The principle of the LEC is to modify the axis-specific position actual value by the assigned
compensation value in the interpolation cycle and to apply this value to the machine axis for
immediate traversal. A positive compensation value causes the corresponding machine axis
to move in the negative direction.
The magnitude of the compensation value is not limited and is not monitored. In order to
avoid impermissibly high velocities and accelerations caused by compensation, small
compensation values must be selected. Large compensation values can cause other axis
monitoring functions to output alarms (e.g. contour monitoring, velocity setpoint limitation).
Содержание SINUMERIK 802D sl
Страница 58: ...Axis Monitoring A3 2 6 Data lists Turning Milling Nibbling 58 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 84: ...Travel to fixed stop F1 5 6 Data lists Turning Milling Nibbling 84 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 114: ...Gantry axes G1 6 8 Data lists Turning Milling Nibbling 114 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 260: ...Measurement M5 13 6 Data lists Turning Milling Nibbling 260 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 314: ...Positioning Axes P2 17 3 Data lists Turning Milling Nibbling 314 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 332: ...Reference Point Approach R1 18 6 Data lists Turning Milling Nibbling 332 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 340: ...Rotary Axes R2 19 4 Data lists Turning Milling Nibbling 340 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 368: ...Spindle S1 20 9 Data lists Turning Milling Nibbling 368 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 390: ...Tangential Control T3 22 5 Data lists Turning Milling Nibbling 390 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 422: ...Feed V1 24 4 Data lists Turning Milling Nibbling 422 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 440: ...Appendix A 2 Overview Turning Milling Nibbling 440 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...
Страница 458: ...Glossary Turning Milling Nibbling 458 Function Manual 11 2012 6FC5397 1CP10 5BA0 ...