Linear actuators

=== gate ===
https://www.youtube.com/watch?v=i5XW5DuLbmw A homemade linear actuator can be used not only as an electric gate drive, but also in any other ideas where it is necessary to motorize actions. https://www.youtube.com/watch?v=C1CHwYKdpQA english version
 
=== diy ===
https://www.youtube.com/watch?v=i5XW5DuLbmw A homemade linear actuator can be used not only as an electric gate drive, but also in any other ideas where it is necessary to motorize actions. 2mil views. 
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=qFoA5BDAtZo Use belt grinder to sand solid round for sliding tubes(linear guides). 
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 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 
=== Lathe#thinhlinhkiencnc ===
at 20min, solid steel block is milled to fit a standard size 50mm x 20mm rectangular tube. 
=== links ===
https://www.youtube.com/watch?v=mzC68RsEXlU 
Freeze lists gadgets
Category:Grabcad.com
Category:Linear actuator
Category:Machine design