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smtstencil [2014/05/10 03:46] – srw7 | smtstencil [2017/05/25 16:54] – swalde | ||
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Carefully place all SMT components on the board. | Carefully place all SMT components on the board. | ||
+ | |||
+ | ---- | ||
+ | |||
+ | Erik's smt stencil etching method | ||
+ | (more involved, but optimized for quicker etching time) | ||
+ | |||
+ | Steps 1-6 as before | ||
+ | |||
+ | - select all→right click→clone→3columns, | ||
+ | - select Leftmost board, edit width to be 0.1mm (toolbar on the left) (make sure " | ||
+ | - same as above, but with Rightmost board | ||
+ | - select all→right click→Scatter Group | ||
+ | - select all→right click→fill, | ||
+ | - zoom in to a small pad to check dpi setting - if lines are too far apart to get all the detail, increase scan dpi - if dpi is very high, it will take longer to etch | ||
+ | - if you decreased the dpi you may have to unfocus the laser and increase the power | ||
+ | - set velocity to 800 (it will go as fast as it can) and power to 30% | ||
+ | - carve out | ||
+ | |||
+ | ---- | ||
+ | ==Gerber to DXF== | ||
+ | |||
+ | Okay, but I have a Gerber file (that someone gave me, so, no, I can't re-export from Eagle/ | ||
+ | |||
+ | Simple! | ||
+ | |||
+ | I did this all on Linux, so if things work different on Windows, please let me know. | ||
+ | |||
+ | Use **gerbv** to open the gerber file. Look at it. Use the Measure tool to measure some easy-to-repeat dimension. | ||
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+ | Open that SVG file in **Inkscape**. | ||
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+ | Now, open that DXF in **LibreCAD**. (This step might not be necessary, but follow along for now.) Remember that dimension I asked you to measure? | ||
+ |