Linear Actuator

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Building a linear mechanism got me learn a lot of the knowledge of using motors and relevant parts, and for getting a precise linear motion, I have to be really careful with all the lines and placements.

I started with using brass wood to build the base of the installation, one part for the rails and one part for the stepper motor. (One thing to mention I used a sheet of acrylic at the button for making it more steady).

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As seen in the pictures, I drilled holes for the screws in order to fastened the base together.

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After I have set up the base, I drilled another 4 holes for the L bracket that holds the stepper motor.

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After the motor part is finished, I measured the diameter of the shaft that I am going use and laser cut the shaft holders with the measurement.

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I did the aligning and measuring after I got the shaft holders in order to place the shafts in the right positions.

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As the middle one is set up with the stepper motor, it got easier to finish the rest of the twos. So I placed the rest of the two shaft holders next to the middle one, and finished it by inserting the shafts in.

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I hot glued them on the wooden base, and they are firmly sticked to it.

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Final look of the linear actuator.

 

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