Chapter 4 Angular Measurements
Angular Position Measurements
Measurements Reference Guide 4-41
Figure 4-22. Precision index table
1
Screw, machine
2 Locking ring
3 Precision index table
base
4 Precision index table top
5 Locking loop
6 Standoff for locking loop
The locking loops (fastened to the precision index table’s base) hold onto
standoffs on the precision index table’s top to keep the top and base from
disengaging completely. Use of these loops is an important safety measure that
can reduce the possibility of personal injury or damage to the table.
• Use the locking loops when you are setting up or disassembling the
measurement hardware.
• Use the locking ring when you store or ship the precision index table.
• Keep the locking loops engaged on their mating standoffs at all times
except:
– When the precision table installation has been completed and you are
ready to make a measurement, or
– When the locking ring is being used to hold the top and base together.
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