Differences

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--- tips:pcb [2021/04/29 09:36] – [convert gerber to svg] scipio
+++ tips:pcb [2021/05/11 15:43] (current) – [flatcam] scipio
@@ Line 1: / Line 1: @@
 ====== PCB with CNC ======
+  * [[https://vevor.it/products/cnc-3018-pro-cnc-15w-3-assi-grbl-control-incisore-laser-collegato-al-computer|my vevor 3018 cnc]]
   * [[https://www.instructables.com/PCB-designing-and-isolationmilling-only-using-free/|reference]]
@@ Line 5: / Line 7: @@
   * online [[http://jscut.org|jscut]] [[https://cncphilosophy.com/svg-to-g-code/|guide]]
   * online [[https://ncviewer.com/|ncviewer]]
+  * online [[http://eng-serve.com/cnc/excellon_gcode.html|drill to gcode converter]]
   * TODO online [[https://copper.carbide3d.com/|carbide3d]]
+CNC for PCB:
+  * 22000RPM
+  * V-Bit cutter 30 degree 0.2mm
+  * first pass 0.04mm
+  * second pass 0.07mm with more feed
 ===== fritzing =====
 Make electronic schema with fritzing
+{{ :tips:autoroute.webm |}}
 {{:tips:fschema.png?400|}}
@@ Line 23: / Line 36: @@
 {{:tips:gerber.png?200|}}
+===== flatcam =====
+setup flatcam
+{{ :tips:tools.webm |}}
+new project
+open files {{ :tips:openfiles.webm |}}
+bottom copper {{ :tips:mirror.webm |}}
+{{ :tips:bottom.webm |}}
+top copper {{ :tips:top.webm |}}
+drill {{ :tips:drill.webm |}}
+contour {{ :tips:contour.webm |}}
+gcode to initialize and change tool
+<code>
+(metric millimeters)
+G21
+(absolute positioning)
+G90
+(piano XY)
+G17
+(feed per minute)
+G94
+(feed 50)
+G01 F50.00
+(stop spindle)
+M5
+(change tool at z25)
+G00 Z25.0000
+G00 X0.0000 Y0.0000
+T1
+M6
+(MSG, Change to Tool Dia = 0.9000 ||| Total drills for tool T1 = 40)
+M0
+G00 Z25.0000
+(feed 30)
+G01 F50.00
+(speed 5Volt)
+M03 S5
+</code>
+====== deprecated ======
 ===== convert gerber to svg =====
@@ Line 54: / Line 137: @@
   * generate
   * save gcode
+edit gcode to set splindle speed to 8000 rpm and turn on it clockwise (after G90)
+<code>
+; after first G1
+M3 S5000
+</code>
 ===== carbide3d =====