FAQ & how-to on your K40 laser machine

04 Jan

Top 2 reasons why your laser tube dies

Most of us experience this sooner or later, but if you experience it really close to where your machine was delivered, here is the two top reasons why your laser tube died. 1: Overpowering the tube While the tubes are called 40w, they cannot really handle 40w and has a effective output of about 30-35 watts depending on tube quality. This mostly happens on the digital versions of the K40, where the milliamp. output isnt visible, only a percentage of the power. Theese [...]

By HP Persson Watercooling 3 Comments

03 Jan

Cleaning your laser tube

Sometimes there is a need to clean your tube, you may have got algae growth or mineral deposits inside the tube. Empty your tank, fill it with tap water and empty it. Buy a couple of litres vinegar and do a 50-50 mix with cold tap water and start the pump and let it run trough your system over night, check the status next day and run it more if needed. Repeat if needed, and go with a 75-25 mix if the [...]

By HP Persson Watercooling 3 Comments

03 Jan

Tilt your PSU´s – save your PSU from dying

The most important thing with electronics is sufficient cooling. You don´t need to follow this article and flip your PSU, but look into adding one or more fans to take out the hot air from the smaller compartment. Electronics are sensitive for heat and high temperatures. The higher temps the less efficiency you get out of the PSU. And now we are talking about Chinese middle class quality the temperatures are more important than ever. Here is my solution to this problem. [...]

By HP Persson DIY & how-to 2 Comments

25 Dec

Cleaning your mirrors and lens

Mirrors ans lenses are delicate products and should be handled with care. Here is my suggestion of how to clean your mirrors and lenses with least damage and risk of scratching the surface. Suggested tools – Gloves (wool/cotton or ESD type) – Tweezers – Denatured alcohol or Isopropyl alcohol – Micro fiber cloth Caution Si-mirrors and ZnSe lens has a coating you dont want on your fingers, aswell as your fingers contain oils you don´t want on your lens/mirror. Always use gloves when handling mirrors and lenses. There [...]

By HP Persson Lens & mirrors 2 Comments

17 Dec

Mirror types for your Laser

There is a lot of different types of mirrors for our lasers. Some better than others, and some you will not see any difference on the K40. Contact us if you need help choosing mirror for your machine. Si Mirror Silicon Glass Gold Coated. Good reflective index for our machines (less than 50w) High reflective index, needs cleaning more often. Cu Mirror Copper mirror, better than MO, a bit below SI when talking about reflective index Mo Mirror Molybdenum mirror. Can withstand alot of “abuse” but have less [...]

By HP Persson Lens & mirrors Comments Off

22 Oct

A word on USB-hubs

A small note on usb-hubs and using older computers or pad´s to run the machines. All computers has a usb-host controller, this one controls the data sent out and powers the ports. On older computers or smaller laptops there is one host-controller for all ports. On newer machines there is often one controller per port, or per set of ports. What may happen is your laser starts to freeze up, it hesitates for a half second and then runs again. This happens because [...]

By HP Persson DIY & how-to 0 Comments

03 Oct