Calc Axis Move by MultipointFH/FZ5 Processing Item Function Reference Manual
801
4
Support Inspection and Measurement
3 Set the noise reduction method in the
"Noise removal Setting" area.
4 Set the current axis position.
Set the axis position of an external device.
Setting item
Setting value
[Factory default]
Description
Required point number
for calc
2 to 8
[4]
This means the available mark number after the noise point
removal. For example,
when you need minimum 3 points
for positioning and set 4 as a number of points in "Position
setting" area, maximum 1 point could be removed as a
noise.
Error tolerance
0 to 99999.9999
[0.0000]
Set allowable error (distance of mea
surement position and
reference position) is set. Calibrate by removing the noise
points repeatedly until the required minimum number of
points is reached.
If you set the Error tolerance to
0.000
0, all of the points are
calculated and the result with the smallest error value is
output.
• Only specified movement axis or exist axial direction are app
lied to set in the case of X, Y, Xθ, Yθ, θX and θY
stages. Not exist axial direction is not displayed.
The noise removal flow is explained by using a sample case that the required minimum points is 2 points, and that the allowable error is 10.0.
Flow of noise removal
Removed
point
Alignment by 4 points
The maximum distance between
the reference position and the
measured position is calculated.
Then it is compared to the
permissible error.
The maximum error is compared
to the permissible error.
If the maximum error is still larger than the
permissible error, 2 point positioning is
executed. This is final step because
minimum 2 points is required for this
positioning.
Alignment by 3 points Alignment by 2 points
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