I hope you aren't saying that you will be using the K40 without chilling and extraction! Chilling (well, cooling, anyway) is critical to tube life as well as to keeping the laser output constant during cutting or engraving. Extraction is essential for keeping your mirrors and lens clean.
I hope you aren't saying that you will be using the K40 without chilling and extraction! Chilling (well, cooling, anyway) is critical to tube life as well as to keeping the laser output constant during cutting or engraving. Extraction is essential for keeping your mirrors and lens clean.