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80 watt laser engraver: Difference between revisions
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gotchas | ---- | ||
== gotchas == | |||
*ALWAYS DOUBLE CHECK THAT WATER PUMP IS RUNNING, it is turned on by plugging in extra cord that comes out of water cooler | *ALWAYS DOUBLE CHECK THAT WATER PUMP IS RUNNING, it is turned on by plugging in extra cord that comes out of water cooler | ||
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*laser does not cut at lower power levels (TBD) ~ 25 - 30%. Head moves properly but no cutting (although it still may be firing) | *laser does not cut at lower power levels (TBD) ~ 25 - 30%. Head moves properly but no cutting (although it still may be firing) | ||
*after long cuts LaserCut5.1 often looses contact with the laser, file->reconnect will often restore connectivity, if not: save your project, close LaserCut5.1 unplug the usb connector to the laser, reconnect it, restart LaserCut5.1, open your saved project. | *after long cuts LaserCut5.1 often looses contact with the laser, file->reconnect will often restore connectivity, if not: save your project, close LaserCut5.1 unplug the usb connector to the laser, reconnect it, restart LaserCut5.1, open your saved project. | ||
*DXFs exported directly from SketchUp via the plugin linked below tend to crash LaserCut5.1 first filter them through autocad on the laser laptop, see the sample workflow below. | |||
Importance of focusing/lens choice | Importance of focusing/lens choice | ||
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# Unplug circulation pump | # Unplug circulation pump | ||
# Turn off power to back of unit | # Turn off power to back of unit | ||
== cut guidelines == | |||
charts of | |||
material x thickness | |||
acrylic | |||
2mm speed 5-10 power 100 | |||
6mm speed ? power ? | |||
== Sample Workflow == | |||
This is *a* workflow that has been working consistently, there are other tools and processes that will work but to get started | |||
Process notes | |||
*google sketchup -> dxf via http://www.guitar-list.com/files/skp_to_dxf.rbz | |||
*take file to laser laptop | |||
*open dxf in autocad save as 2004 dxf | |||
*import in lasercut5.1 | |||
*download button | |||
*download current | |||
*do setup tests for function, focus, | |||
*use test to setup test piece | |||
*verify cut/engrave speed and power settings | |||
*use test to setup work piece | |||
*cut | |||