MPS75SLE Hardware Manual
Mechanical Specifications and Installation
C.G.
Horizontal
C.G.
D
Vertical
Roll L
r
Horizontal Pitch L
p
Vertical L
v
D
roll
D
roll
D
pitch
Roll L
r
Figure 2-8:
Stage Orientations
The approximate amount of torque required to turn the ball-screw of an MPS75SLE series stage can be
found from
Figure 2-9
or the following equation:
Torque
REQ
(Axial Load)
x
(LeadofScrew)
2
x
π
x
(Efficiency)
=
+
(PreloadTorque)
Where:
Lead of Screw = see
Table 1-3
Efficiency = .90 for ball-screws
Moving Mass = 0.3 kg
Preload Torque = 18 Nmm
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Chapter 2
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