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External stopper
When kinetic energy generated by load exceeds the allowable kinetic energy of the actuator, inertial force
should be absorbed by providing a cushion system externally.
Mounting position of external stopper
A shaft and a bearing may be damaged
depending on a mounting position of an
external stopper. Then it should be provided
to the mass point or the place away from the
actuator.
When an external stopper is located near
the actuator, the actuator becomes a
fulcrum, and moment of inertia of load
is applied to a rotation axis as bending
moment, the product may be damaged.
Precautions for using external stopper
High precision rotary table / series MSUA has an angle adjusting system by an adjusting screw,
so that setting of an adjusting bolt should be performed not to touch it to a stopper lever for using
an external stopper.
- 30 -
(Acceptable)
Rotation angle set
by external stopper
Load
External
stopper
External
stopper
Rotation end
of actuator
Fig. 6 Mounting position of external stopper (Correct)
(Unacceptable)
External
stopper
External
stopper
Fig. 7 Mounting position of external stopper (Incorrect)
2020-10-13 11:15
DI987004