Z-Axis Assembly

X-Axis Test using Stepper, 1st run...

Tormach STM23-396-STD Stepper Motor

Test Run

Lead screw is vibrating due to play in the nut.

Moving at 50 IPM.

Frelon Lined Linear Bearing - Closed Series

X-Axis Test, 1st run...

http://www.youtube.com/watch?v=DaGa0VqSYWY
X-Axis can be easily moved by turning 1/4" diameter end of screw.

Mount for X-Axis Screw Nut

Hand Milled Slots using 1/8" Roto-Zip Bit & Drill Press

Rear X-Axis Bearing Mount

X-Axis Motor and Bearing Mount

Linear Bearings & Ball Screw

Slides: 30mm diameter, ~33" length
THK Bearings: blocks are 5.5" and 2.75" in length

Screw: 15mm diameter, ~22" usable length
20mm/rev. travel