K40 Laser Cross-Hair Mount and Drag Chain Mount

by jimmybdesign, published

K40 Laser Cross-Hair Mount and Drag Chain Mount by jimmybdesign Nov 6, 2016
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This is a mount for adding a laser cross-hair and air assist nozzle to the K40 laser cutter. It uses standard point lasers with glass cylinders placed in front of them to create laser lines.

The assembly just requires 4 parts to be printed: 1x Laser_Base, 1x Laser_Nozzle, 2x Laser_Mount

The nozzle is printed separately so that you have a large flat area to build on. Just glue the nozzle in place after printing.

Assembly also requires:
6mm lasers (https://www.amazon.com/gp/product/B00R73MC1S?psc=1&redirect=true&ref_=oh_aui_detailpage_o02_s00)
5mm glass cylinders (https://www.amazon.com/gp/product/B009RQYDMO?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00)

Additionally you can add a drag chain mount for routing your laser site wires as well as tubing if you add air assist.

This requires:
10x20mm Drag Chain:https://www.amazon.com/gp/product/B00880AWR0/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1

See more K40 upgrades at http://jimmybdesign.com/k40-laser-cutter/

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Is there a trick to install the laser holders? I've already broken one print. Also they seem to be very loose when installed , how do you keep them on target?

I'm not clear how the glass rods fit into this? Do I have to cut them down somehow and then fit them in somewhere?

Sorry about the poor instructions. I added an image to the page of a cross-sectional view of the laser mount to show how the glass piece is inserted into the laser mount piece. You do need to cut the glass to fit it. I would suggest pushing the glass rod into the side hole, scoring the outside edge with a file, and then snapping it off. I hope that helps!