RBS-T Linear Encoder Installation Manual and Owner’s Guide
P/N 70000426
All rights reserved. Subject to change without notice.
Page 19 of 43
03-Nov-98
6. Verify that the reader head will be within 1/4” of the reader head mounting block
when the encoder is installed. Adjust the position of the encoder as required for
proper alignment.
NOTE:
Play in the mounting screw holes only permits about 0.05” of final leveling
adjustment. Position the encoder as accurately as possible before marking the
mounting screws.
7. Once the encoder is centered and parallel to the table top use a punch to mark the
mounting screw positions.
8. Remove the reader head bracket.
9. Drill and tap the required #8-32 X 1/2” mounting holes.
10. Place the two nylon self-locking nuts in the cavities on the back side of the reader
head and mount the encoder using the #8-32 screws provided. Tighten the screws
just enough to hold the encoder in place.
11. Mount an indicator on the knee and adjust the probe to measure the position of the
top of the encoder.
12. Slowly move the X-axis through its entire range of travel while observing the
indicator. The top of the encoder should be parallel to the X axis movement of the
table (within 0.002”) over its entire range of travel.
NOTE:
If the encoder is not properly aligned the reader head will not read correctly.
13. Loosen the screws at one end of the encoder, and adjust the position up or down as
required for alignment. The play in the mounting holes should provide enough
movement.
14. Fully tighten the mounting screws once aligned.
15. Recheck the alignment.
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