User Tools

Site Tools



This shows you the differences between two versions of the page.

Link to this comparison view

laser_stencils [2013/08/13 12:13] (current)
Line 1: Line 1:
 +====  Making Laser-cut Solder Paste Stencils Using Eagle CAD   ====
 + 1. Open your .BRD file in Eagle CAD  2. Go to "View->Display/Hide Layers" and unselect everything except "tCream" 3. Go to "Tools->DRC" Click over to the "MASKS" tab.  4. Set "Min" and "Max" to 10mil. Click "Apply". This reduces the size of the holes that will be cut.  
 +[[Image:Eagle menu tcream.png|462x286px|Eagle menu tcream.png]] 
 +5. Select "File->Run" and select "DXF.ULP" Make sure to select "mm" for dimension and "Always Vector Font." Uncheck any other options.  [[Image:Eagle dxf export.png|404x310px|Eagle dxf export.png]] 
 +6. Enter a file name and save the .DXF file to the "Laser" folder on Boobies. 
 + 7. Open the .DXF file in Corel Draw. Select "mm" when importing. 
 + 8. Resave the file. If you do not open/resave, the laser software will freak out when you try to open the .DXF. 
 + 9. Open the LASER 5.5 software. Select "Import" and select the file. 
 + 10. Set "Laser Power" to 10%. Set Speed to "300"
 + 11. Tape a sheet 2mil Mylar film to a piece of cardboard or MDF. This keeps it flat and also makes the cut pieces come off after cutting. 12. Rotate and/or clone the image to fit multiple stencils on one 8.5x11" sheet if needed. 
 +13. Select "Download" and then 'Download Current." 
 +14. Hit <ESC> on the machine.  
 +15. Hit <Test> on the machine to verify that the cut will fit on the sheet. Press <ESC> and jog the laser using the arrows if needed. 
 +16. Make sure the blower (on power strip) and chiller are turned ON. 
 +17. Press <Start> on the laser to begin cutting.
laser_stencils.txt ยท Last modified: 2013/08/13 12:13 (external edit)