You just bought a K40 chinese laser cutter ? Unfortunately it’s merely impossible to cut anything with the stock laser head because of the fume spreading the laser beam and stain the less reducing the power.
Here is the solution, LightObject.com made this nice laser head:
Delivered without the lens because stock lens doesn’t fit with. This new laser head is made for 18mm lens, stock mirror can be reused (same size).
Here are all the parts, assembly is easy and fast:
I also ordered a standard 18mm lens:
Overview of all the parts:
As said, assembly is easy and fast:
Combined with the power-table I can now cut almost anything ! No more dirty lens !
