MadModder
The Shop => CNC => Topic started by: PK on April 14, 2017, 08:15:21 AM
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I used to make 4 or 5 boards a week using photographic techniques, then it was 10-20 a week, then board fab shops in china started offering boards for 50c a pop with no setup costs and 7 day turn times (including delivery)....
This is great, but two or three times a year I still need a PCB now...
Problem is that the emulsions and chemicals just don't store for any length of time, so it turns into a disappointing process..
I thought I'd give isolation routing a go in the X3 with the 60Krpm sub spindle.
It went well enough that I've ordered bits to take it to the next level.
Lessons learned:
- Generic engraving cutters aren't close to well enough balanced to run at more than 30KRPM.
- Small (0.5mm) carbide endmills work wel (used a v cutter in the attached).
- A vacuum hold down fixture is important for keeping the stock flat..
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Say hello to my little friend!
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It makes you wonder how they make them?
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Small children with great eyesight and a Dremel.
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Have you tried Voronoi style traces?
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Have you tried Voronoi style traces?
You know, I'd never heard of them. If the tool chain is short I'll give it a go.. Sadly the ball screw rebuild that resulted from this attempt has turned into a bigger than Ben Hur 'Cluster F&#k' of a job, with stripped threads and......
So it'll be a few days before I can get back to this....