HEIDENHAIN ACU-RITE SENC 125 EACU-R, Справочное руководство, Страница: 13 / 24

SENC 125 T/E Encoder Installation Procedure
• Return the table to the center of travel. Move the reading head
to the center of the scale case.
•
Transfer punch the two reading head mounting holes. If using
a reading head bracket, use the next step.
• Slide the reading head to one side, and drill and tap the hole
locations for an 8-32 x 1/2” deep.
• Attach the bracket to the reading head with the 8-32 x 5/8”
BHCS.
• Transfer punch the two reading head bracket mounting holes
to the machine.
• Remove the bracket, drill and tap the hole locations for an
1/4-20 x 1/2” deep. Attach the bracket to the machine with (2)
1/4-20 x .5” BHCS and washers.
10-32 x 1-1/4” SHCS & M5 flat washer
Align to within .010” TIR to -A-
-A-
• Drill / tap the remaining mounting holes.
• Attach the encoder and align the face and the top of the scale
case to within .010” TIR. to -A- (refer to page 4, “Tolerances”).
• Secure the encoder in place maintaining this alignment.
CL
Reading head mounting holes
Reading head bracket
8-32 x 5/8” SHCS
(M4 x 20mm)
• Insert, but do not tighten 8-32 (M4) reading head screws.
• A gap will exist between the reading head and the bracket.
Gap
Do not tighten prior to adjusting leveling set screws
-A- = Axis travel
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ACU-RITE
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628136-21_Ve00_SENC125T-E.indd 13 10/22/2009 1:54:23 PM