Donny here are some pics of the stuff you will need to build a screw drive.
First get some rails from Lowe's it is actually 1/2in cap for ply wood.
Next get some delrin to make the slide
Next get a piece of 10-32 all thread and a 10-32 furniture nut and a thrust bearing it is the blue piece at the end of the screw drive by the nut.
next get at least a 50:1 gear motor and a coupler to hook the motor to the gear motor. I use an all thread nut and drill it for two set screws.
I hope this helps.
Travis Biddle