Mounting And Adjustment; Mounting Surface Preparations - Sony BS78 Series Instruction Manual

3. Mounting and Adjustment

Follow the procedure below. (For details refer to the corresponding pages.)

3-1. Mounting Surface Preparations ........................................................................................................... 5

3-2. Scale Mounting .................................................................................................................................... 8
3-3. Detector Head Mounting ................................................................................................................... 12
3-4. Signal Adjustment ............................................................................................................................. 13
3-4-1. Signal Adjustment Preparations ............................................................................................. 13
3-4-2. Azimuth Adjustment .............................................................................................................. 14
3-5. Completion of Mounting and Adjustment ......................................................................................... 15
3-1. 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 BS78-N/NS has been designed for mounting on either side. The dimensions shown in parentheses
in the figure below illustrate the case when right-protruding cables are used. Contact Sony Manufactur-
ing Systems Corporation for information about the R/RS type.
Scale mounting surface
Detector head mounting
surface
BS78-10N/NS
Scale mounting surface
Rmax = 6.3S (250 µinch)
0.01 (0.00039")
0.01 (0.00039")
9.8 ±0.2 (20.7 ±0.2)
(0.386" ±0.008" (0.815" ±0.008"))
0.03 (0.0018")
Detector head mounting surface
Rmax = 12.5S (500 µinch)
BS78
Roughness (Rmax)
Flatness
Parallelism to machine travel
Roughness (Rmax)
Parallelism to machine travel
31.5
(1.24")
4-M3 depth: 6
(0.24")
0
3.5
_0.5
M
0"
(0.138"
_0.02"
38 ±0.2
(1.496" ±0.008")
A
47 (1.850")
Detector head
mounting surface
Note: "M" refers to the machine guide.
Fig. 3-1
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
16 (0.63")
8 ±0.1 (0.315" ±0.004")
)
Scale
mounting
surface
Reference
Unit: mm (inch)
5
(E)