K40 Upgrades - John's Tech Blog

The Chinese laser often referred to as the K40 (40 watt) is an entry level CO2 laser at a magnificent price point.  They can be had for around $350 to $450 dollars depending on where you get them and how you get them configured. I got mine from a place called OMTech for about $420. […]

Adventures in DIY Engineering: 40 Watt Chinese CO2 Laser Upgrade

K40 LASER UPGRADES *TEST DRIVE*

Upgraded the vent system for my k40. New/used 390cfm kitchen

K40 Board Upgrade : r/ChineseLaserCutters

BEST upgrade for Monport K40 laser EVER

K40 Laser Defuser Optix Ultra-Compact - DUAL-LDO

Adventures in DIY Engineering: 40 Watt Chinese CO2 Laser Upgrade

I recently got an OMtech k40 to start making my own. Installed a

Adjustable focal lenght k40 laser head upgrade : r/lasercutting