mitutoyo 501s 用户手册
4. DESIGNING THE FIXTURES
4.3 Optical Axis Alignment
The optical axis of each measuring unit should be aligned to within the limits shown
below.
4.3.1
Optical axis alignment in horizontal plane
b. Angular deviation in reference lines C and D
by
θx in angle.
a. Parallel deviation in reference lines C and D
by X in width direction.
Reference line C
Reference line D
θx
Reference line D
Reference line C
X
4.3.2
Optical axis alignment in vertical plane
c. Parallel deviation in reference planes A and
B by Y in height.
d. Angular deviation in reference planes A and
B by
θy in angle.
Reference line C
Reference line D
Y
Reference line C
Reference line D
θy
4.3.3
Permissible error for optical axis alignment
Model
Distance between Emission unit and
Reception unit
For both X and Y
For both
θ
x and
θ
y
68mm or less
0.5 mm within
0.4° (7mrad) within
LSM-501S
100mm or less
0.5 mm within
0.3° (5.2mrad) within
130mm or less
1 mm within
0.4° ( 7mrad)
within
LSM-503S
350mm or less
1 mm within
0.16°(2.8mrad)
within
273mm or less
1 mm within
0.2° (3.5mrad)
within
LSM-506S
700mm or less
1 mm within
0.08°(1.4mrad)
within
321mm or less
1 mm within
0.18°( 3.6mrad)
within
LSM-512S
700mm or less
1 mm within
0.08°(1.4mrad)
within
LSM-516S
800mm or less
1 mm within
0.05°(0.9mrad)
within
No. 99MCA094A
4-3