12/10/2023 0 Comments Diptrace pcb millingClick OK Then to the last steps exporting the G-Code for the tool’s. In my setup, it will then end up with one file for 0,8 mm drilling and one for 1,2 mm and it will then use the 1,2 mm drill for all holes witch is bigger, this saves me a lot of changing drills since I can do it all with only 2 drills. I change under Drilling Tools “Use for each drill the closest small tool, with circular boring” And “ Allow circular boring for all holes over “ is set to 1 mm. her you can change some option on how your G-Code shall be with travel speed and use of Bits with more. The White Cross will mark the Start Point. And click OK Select File / Origin Enter the values X=2 and Y=2 and select OK This will change the Origin Point where the CNC will start from so that the start point is where the corner of the board so that you easily can position the CNC and don’t get too much waist material. So that I don’t have to change drills too often. 4 : 1.2 mm Drill for drilling all 1,2 mm holes and those a bow. For my example 1 : 10 degree V-Bit for Engraving 2 : 1,3 mm Drill for Cutting 3 : 0,8 mm Drill for drilling 0,8 mm holes. And set up the number of tools you are going to use. But we will do that under the export process. The view is from the Top thru the board to it have to be inverted. And click OK Now you should see how your PCB will look like. Select the Calculate isolating toolpaths icon, select the number of extra contours the engraving bit shall run abound the tracks. set Dx = -2,5 and Dy=-2,5 and click OK, this will place the PCB Layout in the correct place in the Card Cutout. Select Layer 6 (Card Cutout) Goto Files / Offset. and select the file Board Outline file “BoardOutline.gbr” and click Yes if Board Outline look to be placed correct. and select the file N/C Drill file “Through.drl” and click Yes if the Drill Holes look to be placed correct. and select the file Top Layer file “Top.gbr” Goto Files / Open / Drills. Start CopperCAM Goto Files / Open / New Circuit. I will make the Tutorial both as a Video and Images Step by Step Guide The Video can be seen her, the Image and Text Step by Steps on the next pages. Her I gave a great GUI and can see what’s happens and change the settings easily. I also got an license for CopperCAM for 80 € which is good given out and don’t have to mangle with a lot of conversation programs and scripts. But for me I think the 175$ for a Mach 3 License is well spend since it’s a great peace of software. To control my CNC Mill I use Mach 3, but any other software can be used such as LinuxCNC and EMC2. Witch works fine for most of my projects. DipTrace : CopperCAM : Mach3 : I used DipTrace form y PCB Layouts but any software cable of saving Gerber files can be used. This is a small tutorial showing how to deal with the problems converting your PCB Schematics to G-Code to be able to Mill it.
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