Mechanical Engineering

# Anthony Ighomuaye

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1. ## COUPLING SELECTION

Hello everyone , please i need help to my design problem. i want to use an electric motor to run a drive axle. please what type of coupling selection is possible to achieve this feat. the both have splines how do i select the appropriate coupling to handle the torque.
2. ## STEER AXLES AND CYLINDER FORCE FOR HEAVY TRUCKS AND TRAILERS

I have a project I am working on with self-steer axles for trailers. I have been working on this project and I have not made any headway as of yet. Any Help to steer me in the right direction would be greatly appreciated. I have a self-steer axle I want to retrofit by mounting a linear actuator to help me steer the axle at low speed, this axle weighs 9000kg and would have a weight of max 9000kg on top of it when it steers. My main problem is selecting the right linear actuator and determining the location to mount it on. At first when I was talking to an axle supplier he mentioned his force-steer axle has to generate at least 22000Lbf (this axle uses a hydraulic cylinder at 3” x 8” cylinder at 3000PSI) will generate enough force to steer the axle. I believe this would be too much and there has to be some moment somewhere that I did not take into account. I went back did some more research and came up with a research article from PARKER that asks to calculate the Kingpin torque (17000Lb/in) which I did and then I found the cylinder force (1400lb). 1. I am confused as to if it takes 1400lb to steer the axle or it takes 22000lb because these values are very far apart. 2. also from some of the pictures I have seen they mount the cylinders close to the pivot ends of the connecting rod but if the linear actuator is the actual one doing the pushing, would the force and the stresses generated from the application not break the end of the connecting pin. Please, How do I ensure that I am able to successfully carry out this application considering the factors involved?
3. ## CONNECTING AN MOTOR DIRECTLY TO A DIFFERENTIAL AXLE

hey guys I am working on a project for school and I am wondering the safest possible way to connect a motor to a differential axle such that the axle is still able to carry the load and have it all balance I am having problems as to how safely and best I can connect an motor to a differential axle without using a shaft in between.
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