Siemens SINUMERIK 840D sl Programming Manual page 866

Work preparation
3.14 Path traversing behavior
ATOL:
Note
The channel-specific tolerance values programmed with CTOL and OTOL have higher priority
than the axis-specific tolerance values programmed with ATOL.
Note
Scaling frames
Scaling frames affect programmed tolerances in the same way as axis positions; in other
words, the relative tolerance remains the same.
Example
Program code
COMPCAD G645 G1 F10000
X... Y... Z...
X... Y... Z...
X... Y... Z...
CTOL=0.02
X... Y... Z...
X... Y... Z...
X... Y... Z...
ASCALE X0.25 Y0.25 Z0.25
866
Address for programming an axis-specific tolerance
Applications:
Preprocessing stop:
Effective:
<Axis>:
<Value>:
● All compressor functions
● ORISON orientation smoothing
● All smoothing types except G641, G644 and OSD
No
Modal
Name of the channel axis to which the programmed tolerance will
apply
The value for the axis tolerance will be specified as a length or an
angle dependent on the axis type (linear or rotary axis).
Type: REAL
Unit: For linear axes:
For rotary axes:
Value range: ≥ 0: Tolerance value
< 0: The programmed tolerance value is de‐
leted
⇒ The tolerance value parameterized in
the machine or setting data becomes ef‐
fective again.
Comment
; Activate COMPCAD compressor function.
; The machine and setting data is applied here.
; A contour tolerance of 0.02 mm is applied start-
ing from here.
; A contour tolerance of 0.005 mm is applied start-
ing from here.
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
inch/mm (dependent on
the current dimensions set‐
ting)
degrees
NC programming