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What is the minimum actuator torque necessary
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Posted by: cm

02/17/2007, 00:03:15

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I have a cylinder that is attached to an actuator. I know the moment of inertia, how do I find the minimum required torque?(without any external forces)







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Re: What is the minimum actuator torque necessary
Re: What is the minimum actuator torque necessary -- cm Post Reply Top of thread Forum
Posted by: cm

02/17/2007, 08:53:55

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Can anyone help me with this? Thanks







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Re: Re: What is the minimum actuator torque necessary
Re: Re: What is the minimum actuator torque necessary -- cm Post Reply Top of thread Forum
Posted by: cm

02/17/2007, 09:27:28

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Is this info I would use to determine the Torque?

(WK~2)DeltaN
T= ------------
308t

and

Open Calculator

Where:
T = Required Torque, lb-ft
WK2 = Inertia of load to be accelerated lb-ft2
(See moment of inertia calculations)
DeltaN = Change of speed, rpm
t = Time to accelerate the load, seconds
W = Weight of object, lb
R = Radius of cylinder, ft








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Re: Re: Re: What is the minimum actuator torque necessary
Re: Re: Re: What is the minimum actuator torque necessary -- cm Post Reply Top of thread Forum
Posted by: zekeman

02/17/2007, 13:54:50

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For constant acceleration
T=WK^2(2pi)N/60gt
g=32.2ft/sec^2
You forgot the g.
Always check your units when you do this kind of a problem







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