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74 Portal axes with ball screw drive
7 Accessories and spare parts PAS4•S
MNA1MLSDM00EN, V2.01, 07.2009
7.6 Coupling assemblies
spb can transmit a greater torque than the linear axis can
accept.
7.6.1 Elastomer spiders
Order data
Dimensional drawings
Coupling assemblies are required
to mount motors to axes.
A coupling assembly consists of
the following components:
• 2 clamping hubs, one each for
ball screw end and motor end
• 1 elastomer spider, as a
decoupling element between
the hubs
• 2 screws
Coupling assembly
(1) Clamping hub
(2) Elastomer spider
(3) Clamping hub
1
2
3
Description Order no.
Decoupling element between
the hubs
1 piece
For axis ...
PAS 42 SPM3MFR14A034
PAS 43 SPM3MFR20A120
PAS 44 SPM3MFR25A320
Shore hardness
Maximum torque
Nominal torque
Moment of inertia
Diameter
M
max
M
N
JDZ
For axis ... NmNmkgcm
2
mm
PAS42 98 Sh A 34 17 0.013 14
PAS43 98 Sh A 120 60 0.067 20
PAS44 98 Sh A 320 160 0.15 25
Ø DZ