Laser beta lasermike LS8000-3 - Manual (Page 22)

LaserSpeed 8000-3 Instruction Handbook
Installing the System
Part No. 93463 / Drawing No. 0921-01561 Page 22 of 221 Revision A (Sep 2007)
Types of Gauge Misalignment
Measured Velocity = Actual Velocity x cos(A) x cos(B)
Error Angle
(Degrees)
0
0.25
0.50
0.75
1.0
2.0
3.0
4.0
5.0
10
Cosine
1
0.99999
0.99996
0.99991
0.99985
0.99939
0.99863
0.99756
0.99619
0.98481
Speed and
Length Error
(%)
0
-0.001
-0.004
-0.009
-0.015
-0.061
-0.137
-0.244
-0.381
-1.519
A
Material Movement
Rotation About Optical Axis
- Causes Measurement Error
B
Material Movement
Not perpendicular to Material Motion
- Causes Measurement Error
C
Not perpendicular to material edges
- No measurement error
Material Movement
into/out of page