Figure 2-5:
Cantilevered Load Capability
The approximate amount of torque required to turn the ball screw of ECO165SL series stages can be
found from
or the following equation:
Figure 2-6:
Load Torque Equation
Torque
REQ
=
(AxialLoad)
x
(LeadofScrew)
2
x
π
x
(Efficiency)
For ECO165SL series stages, the ball screw efficiency is rated at 90% (0.90). Refer to
for
Load Capacity specifications.
Figure 2-7:
Torque Required to Turn Ball Screw in Vertical Orientation
ECO165SL Hardware Manual
2.3. Attaching the Payload to the Stage
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