CNC-Fräse: Unterschied zwischen den Versionen
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=== Drilling and cutting PCB's (epoxy) === | === Drilling and cutting PCB's (epoxy) === | ||
This is my (bkubiceks) current isolate and drilling workflow for creating pcbs. | This is my (bkubiceks) current isolate and drilling workflow for creating pcbs. | ||
[[Bild:cncpcb.png|thumb|400px|A rather badly isloated and drilled PCB. One can get much better results.]] | |||
The PCB have to be put on a plain-milled surface of at least 3 mm thickness, as we are drilling. | The PCB have to be put on a plain-milled surface of at least 3 mm thickness, as we are drilling. | ||
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* Open this ngc file in axis, and adjust the relative position of the drills to the isolation by the G0 X Y in the head, saving and reloading in axis. | * Open this ngc file in axis, and adjust the relative position of the drills to the isolation by the G0 X Y in the head, saving and reloading in axis. | ||
* Check if | * Check if whether the board is in a right orientation or if it needs to be mirrored. This can be achieved by my gcode -filters: http://www.linuxcnc.org/images/fbfiles/files/grecode.zip , see also this [http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/catid,38/id,2288/limit,6/limitstart,12/lang,english/#2448 forum post] | ||
* after all is good, remove the commend right before the drilling, to have the the program stop there. Reload in axis. Insert a 30 Degree 0.1 or 0.2 mm "Gravierstichel", home the machine, touch off at a suitable location, and start the program. | * after all is good, remove the commend right before the drilling, to have the the program stop there. Reload in axis. Insert a 30 Degree 0.1 or 0.2 mm "Gravierstichel", home the machine, touch off at a suitable location, and start the program. | ||
* If the isolation is not deep | * If the isolation is not deep enough, touch off z in lower height, and restart. | ||
Then Change to a 0.6 mm drill with a 3.12mm 1/8 inch holing diameter, touch of Z again, and re-insert the comment right before the drilling. | Then Change to a 0.6 mm drill with a 3.12mm 1/8 inch holing diameter, touch of Z again, and re-insert the comment right before the drilling. | ||
* Reload in Axis, scroll to the line right before the drilling, right click->run from here. | * Reload in Axis, scroll to the line right before the drilling, right click->run from here. | ||
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* if you really want things to be perfect, you could locate the most outwards line in the isolation, and move them deeper Z-0.1 ->Z-0.12 and the | * if you really want things to be perfect, you could locate the most outwards line in the isolation, and move them deeper Z-0.1 ->Z-0.12 and the following relative up-movent as well Z0.1 ->Z0.12. By that, there will be no copper close to the cutting locations. | ||
=== Cutting and drilling Aluminium === | === Cutting and drilling Aluminium === | ||