Liberate your Laser Cutter (like K40) to use better software, variable power for full grayscale engraving, and Z Table/ Rotary capability.Designed by Cohesion3D, Ships from United States of America
The Cohesion3D Mini can be dropped into the K40 Laser Cutter in under 20 minutes to provide an immediate performance upgrade. Smoothie is the only firmware which calculates the PWM value based on a...Read More…
The Cohesion3D Mini can be dropped into the K40 Laser Cutter in under 20 minutes to provide an immediate performance upgrade. Smoothie is the only firmware which calculates the PWM value based on acceleration every single step, resulting in the cleanest possible cut and even power around corners. No burned corners here!
The K40 is a very inexpensive laser cutter that can be procured on eBay in the $340 range. It is capable of engraving leather and metal and cutting wood and plastic. However, the stock electronics are very lacking in functionality and actually restrict the user to a limited version of Coreldraw which is not pleasant to use. This upgrade opens the door to using any gCode generator and sender to control your machine, such as the awesome Lightburn Software.
The bundle includes the Mini Board itself, 2 A4988 drivers, and a MicroSD Card with the laser configuration preloaded, allowing you to be up and running right out of the box.
Cohesion3D Mini replaces the stock control board included with the K40 Laser. With its identical size and hole pattern to the stock board, it drops right into the existing mounting holes.
All known connectors and wiring combinations for the K40 Laser are available on the Mini. The upgrade consists of simply swapping over 4 - 5 cables.
All JST Connectors Wiring:
Ribbon Cable Wiring:
Add a GLCD Adapter + GLCD Screen to show the state of the machine (position, laser level, status) and use the menus to jog and run jobs from the MicroSD Card on the board. This lets you run the machine without needing a computer tethered, and ensures reliability for larger more complex jobs. (Screen is shown installed on a custom front panel a customer made, the panel is not included, you can make your own panel too!)
An example full installation with Cohesion3D Mini, GLCD Screen, and Z Table is driven by TB6600 External Stepper Driver with our External Stepper Adapter (and a separate 24v6a Power Supply). It is also possible to hook up a rotary this way.
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