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D3D CNC Circuit Mill

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Basics[edit]

  • A CNC mill used for PCB Milling
  • Can't make as small of traces as a lithography+ethcing system, BUT it is far cheaper and easier to use (ie no chemical etchants or photoresists needed)
  • Uses the D3D Univeral Axis

July 2017[edit]

D3dmill.jpgD3dmill2.jpg

Used For[edit]

Workshop Preparation[edit]

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Development Template[edit]

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Burndown[edit]

Feb 2018 Update[edit]

September 2017 Update[edit]

Development Pictures[edit]

The disassembled axes required to convert the D3D printer to the circuit board mill

The disassembled axes required to convert the D3D printer to the circuit board mill

These are the required additional parts to transition from the 3D printer to the circuit board mill

These are the required additional parts to transition from the 3D printer to the circuit board mill

The complete set of axes for the D3D circuit mill

The complete set of axes for the D3D circuit mill

Working Document[edit]

Design[edit]

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Data Collection[edit]

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CAD files[edit]

Simplified Files[edit]



Accurate Files[edit]


List of Files[edit]

Design Notes[edit]

Note on CAD Procedure and Organization:

  1. Draw a frame piece, and create a complete frame made of 6 of these pieces.
  2. Save file: File:D3D 13" Frame.fcstd
  3. Begin the design by downloading the X axis - File:D3D 16 Sub-assembly X Axis.fcstd
  4. Correct the length of the axis to 11" length (for 13" frame - 1" shorter on each side to accommodate mounting on the Y axes). Rotate the axis such that the orientation - when looking according to the Viewing Direction and XYZ axis orientation of Slide 1 in Working Document - is that the motor is on the left side of the axis (note that the orientation shown in First Slide in the Working Document has the motor on the right hand side, which is not correct).
  5. Save the file as File:D3D Circuit Mill X Axis.fcstd once the length is 11" and orientation is correct. This will be the file you can use later for the x axis (2 of them) to merge into the final assembly - with the second x axis being a mirror image.
  6. Now create the Y axis according to the orientation convention of the First Slide in the Working Document. This axis should be 13" long.
  7. Save the y axis file as File:D3D Circuit Mill Y Axis.fcstd.
  8. Now create the Z axis as in the working document. This axis can be 8" long - as we don't need a lot of z travel.
  9. Save the Z axis file as File:D3D Circuit Mill Z Axis.fcstd.
  10. Import the

Industry Standards[edit]

  • Hackaday projects - [5]
  • Not open source - LilCNC - [6]. Uses Easel online 2D design software.

Existing Open Source Designs[edit]

See Also[edit]

Usefull Links[edit]

  • Tom's Guide 2018 discussing inferiority of mill conversions - [7]

Discussion[edit]