Siemens SINUMERIK 840D sl Programming Manual page 139
Measuring cycles
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- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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Parameter
Measuring direction
Positioning axis
α
L2
Protection zone
DX / DY / DZ
(corresponding to the
measuring direction)
DFA
TSA
Data set empirical value ● Without (do not use empirical values)
Measurements
The "3D probe with spindle reversal" function is shown if bit 16 is set in the general SD 54760
1)
$SNS_MEA_FUNCTION_MASK_PIECE .
Other parameters and correction targets can be set in the general SD 54760 $SNS_MEA_FUNCTION_MASK_PIECE .
2)
To display the corresponding rotary axis as offset target, bit 6 must be set to 1 in the channel-specific MD 52207
3)
$MCS_AXIS_USAGE_ATTRIB.
If the offset (correction) involves more than one rotation around one of the geometry axes, then this offset cannot be executed
by a rotary axis. Alarm 61403 "Correction of the work offset not executed" is output.
By specifying the measuring axis in parameter measuring direction, then all three measuring planes are possible. Setpoint
4)
angle α therefore refers to the positive direction of the offset axis and is negative in the clockwise sense, positive in the
counter-clockwise sense.
Setpoint angle α specifies the required angle between the edge and the positive direction of the offset axis. For α=0
(S_STA=0) , after correction, regarding the offset axis, the edge is parallel to the axis.
When positioning "Parallel to the edge", angle α is also used for positioning. The positioning angle is generated together
with parameter TSA. Parameter α should therefore only deviate a small amount from the measured angle!
With parameter L2 (S_ID) the distance in the offset axis between P1 and P2 is defined. Only positive values are permissible
5)
for L2. Accordingly, P1 should be selected in the offset axis at the beginning of the cycle.
Measuring cycles
Programming Manual, 12/2017, 6FC5398-4BP40-6BA1
Description
Measuring axis
● (+/-) X
● (+/-) Y
● (+/-) Z
Offset axis (Note: Measuring axis and offset axis may not be the same!)
● X
● Y
● Z
Angle between positioning axis and edge
Distance to the 2nd measuring point
Use protection zone
● Yes
● No
Distance to the edge for measuring point 1 (only for protection zone "Yes")
Measurement path
Safe area for the measurement result
● 1-20 (data set for empirical value)
Number of measurements at the same location (1-9)
Machine manufacturer
Please observe the information provided by the machine manufacturer.
4)
5)
Measuring variants
3.3 Measure workpiece (milling)
Unit
-
-
Degrees
mm
-
mm
mm
Degrees
-
-
139
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