6.1 Concept of life for slider type
6-2
6. Life
For "Standard load coefficient fws", "Load coefficient fw" and "Mounting coefficient fα",
refer to the contents below for configuration and selection.
[Standard load coefficient fws]
For ROBO Cylinders described in this manual, calculate with fws = 1.2.
[Load coefficient fw]
This coefficient allows consideration of the effects on life due to operating conditions.
Load
coefficient fw
Operating conditions
Guideline for
acceleration/deceleration
1.0 to 1.5 Low vibration/impact, slow operation 1.0Gor less
[Mounting coefficient fα]
This coefficient allows consideration of the effects on life due to ROBO Cylinder mounting
status.
Mounting
coefficient fα
1.0 1.2 1.5
Mounting
status
Fixed on entire
surface
Fixed at both ends Fixed locally
● The actuator used in the explanatory figures above is not the RCS4 ROBO Cylinder.
Replace with ROBO Cylinder and select the mounting coefficient.
● Even when seated over the total length of the product, select 1.2 or 1.5 for the
mounting coefficient depending on the position of screw fixing and not "fixing over
the entire surface".
● "Fixing over the entire surface" is considered to be the case only when fixing with the
T-slot and square nut provided on the mounting surface.
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