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Blacktooth Build Questions

Official support for products purchased from the BuildYourTools.com and BuildYourCNC.com sites, and the book "Build Your Own CNC Machine (Technology in Action)" by Patrick Hood-Daniel and James Floyd Kelly.

Blacktooth Build Questions

Postby jccedre » Tue May 10, 2016 3:40 am

Two Questions about the Blacktooth 40w Laser Cutter:

https://www.buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx

The first one is related to the tutorials. Number 63 and 64 talk about adding a ring terminal to a screw at the end of the laser tube. I do not see where that cable gets attached to. I also noticed that some of the laser tubes (picture #70) have a metal end attached to the glass tube. My CO2 tube does not have that. Am I missing a part? If not are there separate instructions for my CO2 tube?


Second question: I noticed a possible mistake with the wiring diagram for the parallel breakout board and the written instructions. The written instruction in step 20 says to connect one of the wires from the toggle switch back to the CNC power supply at the L terminal. The wiring diagram has it connecting to the N terminal. Does this matter?
jccedre
 
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