IAI America ERC - Manual (Page 38)

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2.2 Installation
2.2.1 Slider Type
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Installing the actuator
The actuator-mounting surface must be a machined surface or have an equivalent flatness.
The side and bottom faces of the actuator base are parallel with the guides. If high slide accuracy is required,
install the actuator by using these surfaces as references.
(Note) Reduced flatness due to installation of an overhung load will cause the base to deform and inhibit
smooth movement of the slider. If the slider movement becomes heavier on the motor end or the slider
begins generating noise, correct the flatness. Otherwise, the slider mechanism may end its life
prematurely.
Install the actuator in the mounting holes provided in the
base. Secure the actuator in place using M4 hex cap bolts.
Slider type