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Plans for Do It Yourself CNC Machines
The tables were designed to be
  • Inexpensive
  • Simple to build
  • Accurate for the cost
The table parts are primarily off-the-shelf from home centers and hardware stores.
Part descriptions and online sources for the other components are provided in the plans.

The plans include hundreds of images and dimensioned drawings with step by step written instructions.

18 x 24 x 5 V Bearing Machine
18 x 24 x 5 V Bearing Machine


13 x 13 Fixed Gantry
13 x 13 x 5 Fixed Gantry

24 x 48 Rack Leadscrew Machine
24 x 48 x 8 Rack and Pinion or Leadscrew

25 x 25 Dual Leadscrew
25 x 25 x 6 Dual Leadscrew

10 x 9 Fixed Gantry
10 x 9 x 4 Fixed Gantry

Speeds

Rapids at thirty five to hundreds of inches per minute depending on the leadscrews and drive components.

Accuracy

Very good for the cost. Pictures are worth thousands of words.

Tables' Cost

(Not including the stepper and drive packages and router/spindle)

13 x 13 Fixed Gantry ~$120
10 x 9 Fixed Gantry ~$150
25 x 25 Dual Leadscrew ~$300
18 x 24 V Bearing ~$600



24 x 48 Rack/Leadscrew ~$600 and up, depending on the components used.

The smaller machines were designed to carry a trim router, and the 24x48 Rack and Pinion/Leadscrew machine was designed to use a full sized router.

These plans do not include directions for the software and electronics because the suppliers cover this information for their own products.

These plans do give directions for deriving the Step per Inch values that are needed to configure the software for these machines.
The machines were all designed to use NEMA 23 stepper and drive components such as those from Geckodrive, Xylotex and HobbyCNC.
Mach3 and TurboCNC are popular controller software options. Other software and motor suppliers can be used.

The above vendors work with the Do It Yourself market and have help forums and documentation.



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