Linear actuators

diy
https://www.youtube.com/watch?v=dgjy3LtzUgo car jack and old angle grinder with couplings. One side of M8 long nut is drilled to remove threads, other half of nut remains threaded, both side tapped for M4 from the side.

https://www.youtube.com/watch?v=2o4am101QRI lathe build

https://www.youtube.com/watch?v=LgxH37q7ty4 I go into some detail on how I built these actuators which I am using to make a variable height table and bed in my campervan. We're driving from Alaska to Argentina, only using renewable energy in our 100% Electric, Solar Powered Camper Van.

https://www.youtube.com/watch?v=oKZgyr22VyY ising old jack

https://www.youtube.com/watch?v=-c1JRt7FlQs and Uses threaded metal inserts for 3d prints. https://www.youtube.com/watch?v=XAnXo2wxGS4 plumber pipe fittings and window motor. Fits milled brass fitting over end of outer pipe, allowing tight fit for inner sliding pipe. https://www.youtube.com/watch?v=vxhBMiyy3y0 https://www.youtube.com/watch?v=NLscbeoIjAY 3d printed https://www.youtube.com/watch?v=LgxH37q7ty4 https://www.youtube.com/watch?v=7STYIIKDPtY This is how to make an easy Linear Actuator using a 12v dc motor, a Nut and a Bolt, this is made with metal plates BUT! You can use wood, plastic and glue instead of metal and welding. This is meant to be a wire puller with a total of 3.5cm stroke, i hope you can get an idea through this video on how to set up yours.

grabcad
https://grabcad.com/library/linear-actuator--1 https://grabcad.com/library/linear-actuator-4 see made in poland vids on how to create a tight fitting square tube into another. Made in Poland

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