TEN-HIGH CO2 Glass Laser Tube 40W 700mm Length, 50mm Dia for Laser Engraving and Cutting Machine (UK Stock)

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Another thing to bear in mind is that it’s only compatible with one software: Full Spectrum Laser’s RetinaEngrave v3.0. Other upgrades with this model include autofocusing and a 4-way pass-through system. Now at a touch of a button, your machine is focused and ready to go and is open on four sides, working on objects larger than the machine itself. It also has an adjustable bed and is compatible with the ever-popular LightBurn laser control software. Due to their high output powers and long emission wavelengths, CO 2 lasers require high-quality infrared optics, often made of materials like zinc selenide (ZnSe) or zinc sulfide (ZnS). P. T. Woods et al., “Stable single-frequency carbon dioxide lasers”, J. Phys. E: Sci. Instrum. 9, 395 (1976); https://doi.org/10.1088/0022-3735/9/5/021

We also argue this is a fair option in place of the Orion Motor Tech 80w CO2 laser engraver cutter, which is more expensive. The 70 W also has a lot of the same features advertised in the 80 W, like autofocusing and four-way pass-through. Chinese «non-branded» glass laser tubes of a very low quality. Their lifetime is 1000-1500 hours (just a few weeks). Every budget is different, and understanding which laser cutting tube is better depends on the project. There are a few fundamental questions you need answers to before deciding which to use. What Are the Cooling Differences?

Practical consequence of precision blanking wood:

The first thing to consider is your experience. If you’re new to the game of CNC machines, regardless of how experienced you are as an engraver or carver, then you’ll want an entry-level laser cutter. These will be the easiest to use and often the cheapest option available and ensure you’re not out of thousands if you make a mistake while learning. The highest rated Glass CO2 laser tube manufacturer is most probably RECI. F ollowed by EFR and SPT with honourable mentions to Tongli and Yongli. Just be aware that RECI’s lowest power laser tube is the W1 @ 75 watts. S o if you have a 60-watt or lower tube, I would suggest trying to specify EFR or SPT. Making sure you have a recognised brand fitted to your machine will save you time and money in the future. 3. Buying a replacement tube: DC laser sources are typically contained within a glass laser tube. In the glass tube of the DC laser, there is a mixture of different gases: Nitrogen (by far the highest proportion of the gas mixture), carbon dioxide (as the laser-active medium), helium (to effectively dissipate the heat loss), and oftentimes hydrogen and xenon. By applying a high voltage to the electrodes in the tube, current begins to flow. The electrodes must be designed as feedthroughs through the glass body. These feedthroughs are weak points in the laser, and as temperatures fluctuate, the impermeability of the laser tube is difficult to ensure. This is because metals expand more than glass when the temperature rises. Glass and metal thus exert increasing pressure at higher temperatures due to thermal expansion. The sealing is therefore subject to higher forces and may show a leak during cooling (after many thermal load cycles).

Another cutter from the OMTech family, the 70 W is a more robust version of the 40 W. We see that clearly in the range of materials it cuts, as there are the additions of metals like stainless steel and titanium, and other hard surfaces like marble and stone. The application of glass to metal-seal technology completely avoids the output mode change caused by the deformation of the laser cavity, ensuring the CO₂ laser tube has extremely high stability. HIGH TEMPERATURE RESISTANCE】- This laser tube is made of the boron silicate glass that is also applied on the solar tubes. It is resistant to high temperature and high pressure. Radiation of the main mode is a process when a beam before going out of the resonator and becoming output radiation, runs exactly along the resonator axis (or parallel to it) and when reflected from a transparent and semitransparent mirrors gains power (amplifies) to pass a semitransparent mirror and exit the tube.Fast axial flow lasers and fast transverse flow lasers are also suitable for multi-kilowatt continuous-wave output powers and high beam quality. The excess heat is removed by the fast-flowing gas mixture, which passes an external cooler (heat exchanger) before being used again in the discharge. The gas can be continuously regenerated and occasionally replaced. Transverse flow lasers reach highest output powers, but typically with lower beam quality.