Sideload forces, Sideload calculation procedure – MTS Series 244 Actuators User Manual
Page 59
Sideload Forces
To avoid damaging the actuator bearings and to ensure proper actuator operation, tests that subject the
actuator to nonaxial loads require special consideration.
Nonaxial loading can occur from sideload forces applied directly to the piston rod (P in the figure) and from
moments caused by off-center loads (F in the figure).
Sideload Forces
Description
Item
Sideload Forces
1
There are four things that must be considered to determine the suitability of an actuator for nonaxial loaded
tests:
•
Bearing pressure generated during the test
•
Piston rod stress caused by sideload
•
Maximum allowable piston rod velocity
•
Minimum allowable sideload frequency
Sideload Calculation Procedure
The following procedure provides you with information to determine the suitability of a particular actuator
model for tests requiring nonaxial loading. The following table lists the constants used in this procedure.
Series 244 Actuators Product Information 59
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