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3-2. Mounting Surface Preparations
1. Check the mounting surface range (the shaded sections in the figure) and accuracy.
2. Check the accuracy of the mounting screw coordinates.
3. The detector head can be attached in reverse.
Scale mounting surface
Detector head mounting
surface
(N + 2)-M4
depth: 6 (0.236")
25 ±0.2 (0.984" ±0.008")
Scale mounting surface
Rmax = 6.3S (250 µinch)
0.01 (0.00039")
0.01 (0.00039")
9.3 ±0.2 (0.366" ±0.008")
0.03 (0.00118")
Detector head mounting surface
Rmax = 12.5S (500 µinch)
BL55-NE
Roughness (Rmax)
Flatness
Parallelism to machine travel
Roughness (Rmax)
Parallelism to scale mounting surface
L3
25 ±0.2 (0.984" ±0.008")
Scale mounting surface
Detector head
mounting surface
M
(N + 2)-M4
25 ±0.2 (0.984" ±0.008")
depth: 6 (0.236")
A
Note: "M" refers to the machine guide.
6.3S /250 µinch
0.01 mm/0.00039" or less
0.01 mm/0.00039" or less
12.5S /500 µinch
0.03 mm/0.00118" or less
Model
L1
BL55-003NE
56 (2.205") or more
BL55-007NE
96 (3.780") or more
BL55-012NE
146 (5.748") or more
BL55-017NE
196 (7.717") or more
BL55-022NE
246 (9.685") or more
BL55-027NE
296 (11.654") or more
BL55-032NE
346 (13.622") or more
BL55-037NE
396 (15.591") or more
BL55-042NE
446 (17.559") or more
L1
L2
L2
50 ±0.3 (1.969" ±0.012")
25 ±0.2 (0.984" ±0.008")
25 ±0.2 (0.984" ±0.008")
20 ±0.2
(0.787" ±0.008")
2-M2.6 depth: 6 (0.236")
27 (1.063")
40 ±0.2 (1.575" ±0.008")
88 ±0.3
(3.465" ±0.012")
25 ±0.2 (0.984" ±0.008")
(15)
(0.591")
Fig. 3-1
L2 (±1) (±0.04")
L3
–
–
–
–
50 (1.969")
–
75 (2.953")
–
100 (3.937")
–
120 (4.724")
–
120 (4.724")
–
75 (2.953")
75 (2.953")
100 (3.937")
100 (3.937")
L3
25 ±0.2 (0.984" ±0.008")
For BL55-007NE, 027NE and 032NE
Unit: mm (inch)
N
2
4
6
6
6
8
8
10
10
3-3
(E)
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