Questions tagged [linear-motion]
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Need to produce vibration amplitude of 200 um (approx) at natural (resonant) frequency, can be any frequency between 100 to 150 Hz
In order to conduct study, I need to produce controlled vibrations with amplitude (maximum) approx 200 um (micro) at frequency between (100-150) Hz. Vibration amplitude must be controlled with input ...
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Quick return mechanism for spring-loaded screw
I am looking for a way to convert rotary motion to linear, but it should take less energy to get back to initial position than when going from initial position to the end position.
Specifically, a ...
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Analytic expressions of the kinetic and potential energy [closed]
A homogeneous rigid circular disc (radius R, mass ms, center point S) rolls without a slip on a plain with a small angle of inclination alpha against the horizontal. A point mass MG is fixed on the ...
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Linear actuator on a scissor lifting table
I am designing a scissor lifting table and I have an issue with the linear actuator. This table should be lifting 100 kg. I studied the problem in two ways : a static study and a power study. My ...
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How can I calculate headphone driver excursion?
I'm a headphone enthusiast, and once I tried to open up my headphones to see how much they move when I play my music.
However, I was really surprised to see that the sounds that I could "feel" ...
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Push / Pull Steering on an axle
I have a base with 4 wheels, the rear axle is a motor which drives the base forward or backwards, this contains a diff, so there's no problem there.
The front axle is a steering axle like that in a ...
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What type of supports exists for ballscrews or leadscews?
For Linear actuators, a common mechanism is to use ballscrews with ballnuts.
The ballscrew is supported at the two sides by a set of bearings which permit the rotation of the screw while keeping the ...
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Simple mass spring damping system sizing K, and C factors
I have come across a problem, which has troubled me for some time now. What needs to be done is the following:
A mass on a rod 0.6m (mass less) has a mass of 1 kg attached at the end of it. The rod ...
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Linear Guidance law into X-Y axis
Im currently writing a model for a guidance law named Maintaining Guidance law.
The law looks as following: $$ a_{M} = [K_1,K_2]*[\dot{\lambda_T} ,\dot{\lambda_D}]'$$
Since im using a linear model I ...
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