Designing The Mounting Tool - Sony Magnescale SR118 Series Instruction Manual

4. When using a dial gauge or other measuring
instrument, measure the setting surfaces provided on
the brackets at both ends of the scale unit as shown in
the figure and mount the scale unit so that the
parallelism is 0.1 mm (0.004 in) or less when the sliding
stage and other parts are moved.
Parallelism : 0.1 m/M
Setting surface
+PS2 × 4
26
Setting surface
8
1 1
S R
- * * *
+PS2 × 4
M : Machine guideway

3-2-3. Designing the mounting tool

Except for when the slider side of the scale unit is designed
for direct mounting, a mounting tool must be prepared.
Design a mounting tool with sufficient rigidity to prevent
deformation as shown in the figure below.
Mounting tool
Like the scale unit, the mounting surfaces of the mounting
tool should be designed with a roughness of 25 S or less
and a parallelism of 0.1 mm (0.004 in) or less.