CO2 Laser Marking Machine: An Explanation

Principle of CO2 Laser Marking Machine: A CO2 laser marking machine, short for carbon dioxide laser marking machine, utilizes CO2 gas as its operational medium for laser marking. This machine operates by introducing CO2 gas, along with other auxiliary gases, into a discharge tube containing electrodes under high pressure. Upon application of high voltage to the electrodes, the discharge tube emits glow discharge, causing the gas to emit a laser with a wavelength of 10.64um. This laser energy is then amplified, directed through vibration mirrors and focused by an F-Theta mirror.

Controlled by a computer and laser marking control card, the CO2 laser marking machine can engrave images, text, numbers, and lines onto workpieces as per user specifications.

Components of CO2 Laser Marking Unit: The CO2 laser marking machine comprises essential components including the CO2 laser, 10.64-field mirror, 10.64 beam expansion mirror, CO2 laser power supply, scanning vibration mirror, control computer, laser control card, laser control software, laser machine rack, laser circulating water system, circuit control system, and others.

Main Features of CO2 Laser Marking Machine: This machine, employing carbon dioxide lasers, is highly versatile, compact, and integrates a post-focus mode. It is well-suited for marking numerous non-metallic materials such as paper packaging, plastic products, non-metallic labels, leather fabrics, glass ceramics, resin plastic, bamboo products, and PCB boards, among others. The CO2 laser operates within the Far Infrared optical band with a wavelength of 10.64um, utilizing CO2 gas within the discharge tube to generate laser energy through glow discharge upon electrode voltage application, thereby producing a laser beam for material processing.

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