Fiber laser source has become a hot topic in laser physics research in recent years, and it is widely recognized as a new generation product that has the potential to completely replace solid-state lasers. Fiber laser source refers to a laser that uses rare earth element doped glass fiber as the gain medium. Fiber laser can be developed based on fiber amplifier: under the action of pump light, high power density is easily formed inside the fiber, causing a "particle number inversion" of the laser working material's laser energy level. When a positive feedback loop (forming a resonant cavity) is appropriately added, laser oscillation output can be formed. A fiber laser marking machine uses a laser beam to permanently mark various surfaces of different substances. The effect of marking is to expose deep substances through the evaporation of surface substances, to "engrave" traces of surface substances through physical changes caused by light energy, or to burn off some substances through light energy, displaying various patterns, texts, barcodes, and other graphics that need to be etched.
A fiber laser marking machine refers to a marking machine that uses a fiber laser. The fiber laser has the characteristics of small volume (no water cooling device, using air cooling), good beam quality (basic mode), and maintenance-free. It is mainly composed of three parts: laser, galvanometer, and marking card. The marking machine uses a fiber laser to produce a laser, with good beam quality and an output center of 1064nm. The overall service life of the machine is about 100000 hours, Compared to other types of laser marking machines, it has a longer lifespan and an electro-optical conversion efficiency of over 28%. Compared to other types of laser marking machines, it has a significant advantage in conversion efficiency of 2% -10% and has outstanding performance in energy conservation and environmental protection.
Fiber laser marking machine characteristics
1. Fiber laser marking machines can process various metal and non-metal materials. Especially for materials with high hardness, high melting point, and brittleness, marking is more advantageous.
2. Belongs to non-contact processing, does not damage the product, has no tool wear, and has good marking quality.
3. The laser beam is fine, the processing material consumption is minimal, and the processing heat affected zone is small.
4. High processing efficiency, computer-controlled, and easy to achieve automation.
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