mitutoyo 501s 用户手册

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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
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