Antifreeze measures for laser cutting machines and how to replace antifreeze!

If winter enters, the weather temperature gradually decreases, especially in some countries where the temperature has dropped below 10 degrees Celsius or even l···

Science popularization: Detailed explanation of laser lens materials, where is the gap between lenses?

At present, there are various specifications and varieties of laser lenses on the market, and the prices are also uneven. What are the specific differences in t···