How do you measure dynamic loading of an actuator?

AI Thread Summary
To measure the dynamic loading of a linear actuator, it is essential to refer to the datasheet for static force values. The discussion clarifies that constant velocity is not guaranteed, as increased loading results in slower actuator speeds due to friction and inertia. The user successfully measured a maximum static load of 110N but is confused about the term "dynamic load" in the datasheet. Dynamic load capacity refers to the load the actuator can handle at its rated minimum speed, highlighting the relationship between load and speed. Understanding these concepts is crucial for effectively utilizing the actuator in practical applications.
nomisme
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If I have a linear actuator, how can I find out how much force it can move with a constant velocity?
 
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nomisme said:
If I have a linear actuator, how can I find out how much force it can move with a constant velocity?

Look at the datasheet for the static force. Why are you thinking there will be a constant velocity? Is it pushing against a friction force? If it is just pushing against a mass or moment of inertia, there will be an acceleration...
 
berkeman said:
Look at the datasheet for the static force. Why are you thinking there will be a constant velocity? Is it pushing against a friction force? If it is just pushing against a mass or moment of inertia, there will be an acceleration...

Hi Berkeman,
Thanks for getting me back.
I actually used a force gauge to measure the maximum static load for my actuator. It turned out to be 110N.

Sorry I may have added some confusions by assuming the constant velocity thing. I want to retract this statement.
You are right that the more loading you have the slower the actuator goes.

The thing I am really confused about is the term "dynamic load" which can be found in the datasheet of the actuators. Does it mean the relationship between loading and speed of the actuator? By the term "dynamic load capacity", does it mean the loading at the minimum rated speed of the actuator?

I am really stuck.. My boss is killing me... I feel as if I have learned nothing from my undergraduate degree. Please help!
 
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