UID marking was done using a 20-watt q-switched ytterbium fiber laser with a 160 mm focal length lens. The parts were surface annealed, to create brightly contrasting marks. The parts were marked using approximately 18 watts of power, with a frequency of 35kHz, and at a speed of 3.5 inches per second. The resulting cycle time was 10.49 seconds.

Process Parameters:

Material: Steel
Power: 18 watts
Method: Annealing
Frequency: 35kHz
Depth: Surface
Speed: 3.5 inch/sec.
Laser Type: Q-Switched Fiber Laser
Focal Length Lens: 160mm
Cycle Time: 10.49 seconds

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