Calculating time for Linear actuator to operate?

  • Thread starter mm391
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Main Question or Discussion Point

I have a linear actuator operating on an object that, when pressure acts against it, produces a force up to 4000 newtons.

The linear actuator operates with a maximum speed of 11mm/s at no force and a minimum speed at maximum force of 8mm/s. Being a linear actuator the speed decrease linearly from 11mm/s to 8mm/s. Is there a way of calculating the time it will take the linear actuator to fully extend 1.7mm from 0 newtons to 4000 newtons?

Is it the basic "suvat" equations:

s=((u+v)/2)*t
s=u*t+0.5*a*t^2

and just rearrange them for the vale you want?
 

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  • #2
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Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
 
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I have a linear actuator operating on an object that, when pressure acts against it, produces a force up to 4000 newtons.

The linear actuator operates with a maximum speed of 11mm/s at no force and a minimum speed at maximum force of 8mm/s. Being a linear actuator the speed decrease linearly from 11mm/s to 8mm/s. Is there a way of calculating the time it will take the linear actuator to fully extend 1.7mm from 0 newtons to 4000 newtons?

Is it the basic "suvat" equations:

s=((u+v)/2)*t
s=u*t+0.5*a*t^2

and just rearrange them for the vale you want?
I think the basic equations might suffice. Could you please explain a bit clearly as to when the force acts on the actuator and when it's speed starts changing? (Maybe with a diagram)
 

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