Laser LS8000-3 manual Types of Gauge Misalignment

LaserSpeed 8000-3 Instruction Handbook

Installing the System

Types of Gauge Misalignment

Measured Velocity = Actual Velocity x cos(A) x cos(B)

Error Angle		Speed and
(Degrees)	Cosine	Length Error
		(%)
0	1	0
0.25	0.99999	-0.001
0.50	0.99996	-0.004
0.75	0.99991	-0.009
1.0	0.99985	-0.015
2.0	0.99939	-0.061
3.0	0.99863	-0.137
4.0	0.99756	-0.244
5.0	0.99619	-0.381
10	0.98481	-1.519

Material Movement

A

Rotation About Optical Axis

- Causes Measurement Error

B

		C
Material Movement	Material Movement
	into/out of page

Not perpendicular to Material Motion	Not perpendicular to material edges
- Causes Measurement Error	- No measurement error

Part No. 93463 / Drawing No. 0921-01561 Page 22 of 221 Revision A (Sep 2007)