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Bertha

My first CNC made in my partners kitchen in 2009.
Big bertha was started also in 2009 Im am now re working the design and just starting to use the bits and bobs bought for it 3 years ago.

  1. SANY0274

  2. Emcc2 Cutting its own T slot bed

  3. The finished self cut T slot mounting bed

  4. Original design only had 2 8mm rails per axis using fix it blocks as bearings and slider bar mounts. due to flexing these were upgraded to four...

  5. A vero type pcb break out board from the printer port connection. with the 2A stepper controllers mounted on B&Q building brackets for additional...

  6. 2A stepper controllers 25v PSU under the controllers back of Atom linux box on left side

  7. Side view showing the Atom Linux box controlling the CNC

  8. Original configuration with only two 8mm bars and fixit block on x and Y axis. Bits and bobs for Big Bertha are under Bertha 3 500W PSUs 3 4.2A...

  9. Dremel mounting taken from the tile grout cleaner kit or saw sharpener kit

  10. Dremel mounting

  11. Z then Y and at the bottom X Limit opto end-stops

  12. Aldi's Dremel look alike with hover pipe
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