For a multilayer pcb that incorporates blind andor buried vias, a separate drill file for each layer pair is created with a unique file extension. How to generate nc drill files based on different pcb. This article is only for some pcb software which cannot export the drill layer in excellon format correctly. Owing to its long life and active role in pcb drilling and routing equipment. Use your cnc machine to make printed circuit boards quickly and without chemicals. The file extension for nc drill data created in the altium designer pcb editor is. Excellon file is a textbased file format which is used to control the actions of a cnc drilling machine, commonly used in the drilling of printed circuit boards pcb. Customize your pcb drill sizes with altium designer.
The cam editor in altium designer also supports traditional file formats e. Altium designers cam editor allows you to import gerber and nc drill files and then run a set of design rules to verify the data in the imported files. Configure drill symbols click to open the drill symbols dialog in which you can configure the drill symbols. Computeraided manufacturing cam and design cad software for printed circuit board pcb prototyping, supporting gerber, excellon drill files, gcode and visualization. Layer pairs region this area shows all defined layer pairs in the design. As part of board fabrication, the fabricator needs information relating to holes that need to be drilled into the blank pcb during the fabrication process. Describes how to convert a drill table generated by cadence allegro into a excellon drill file. Pdf, gerber, excellon, netlist, pads layout netlist, tempo automation, pick and place csv, highres png, stl, csvformatted drill chart, csvformatted list of all parts 123d circuits by autodesk na. If you can export the drill layer in rs274x gerber format, please try to convert it to excellon format using cam350 by downsteam technologies. The excellon 6l intellidrill is a single station precision drilling system.
Altium designer lets you export your drilling instructions in the popular gerber and excellon 2 file formats. We do this with a text editor by adding the tool select command. Altium designer, the leading gerber pcb software, is equipped to generate different formats and styles of the gerber files based on your vendor requirements for pcb fabrication. Check the box in front of each desired layer pair to draw that layer pair in drill drawing plots. How to convert drilling layer from gerber to excellon. Altium designer will also create all of the other manufacturing files that are needed for the vendors as well. We recommend you to choose the same units and format parameters as gerber. The example gerbers we will use in this tutorial have been generated from a pcb design named 4 port serial interface. A separate file will be created for each hole type slotted, square or round.