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Principle

Nanosecond pulsed fiber Laser welding machine adopts nanosecond fiber laser, which uses current direct modulation semiconductor laser as a seed source with Q-switched nanosecond pulse duration. Its pulse duration and frequency is adjustable, and the amplified part adopts all-fiber structure with free maintenance, system stability and high quality beam output.

Features
1. Mainly for welding thin wall materials, precision components with heterogeneous metallic materials.
2. It can do spot welding and stitch welding.
3. High stability laser output.
4. High single pulse energy.
5. High marking efficiency.
6. Short pulse build-up time.
7. High reliability, free maintenance.
8. Precise control, small focusing spot, high accuracy positioning and easy implement for automation.
Parameters

Model	STHG70
Maximum laser output power	70W
Pulse peak power	>10KW
Pulse energy	>1mj
Pulse duration	26-250ns
Pulse repetition rate	20-100KHz
Output power stability	≤5%p-p*
Power requirement	220v/50Hz/20A

Application
The nanosecond laser welding machine is suitable for the industries such as mobile phones, electronic components, eyeglasses, clocks and watches, jewelry, hardware products, precision instruments, auto parts, craft gift.
It can be used to do micro welding the metallic materials, like titanium, nickel, zinc, copper, aluminum, chrome, niobium, gold, silver and their alloys. Steel and Kovar alloy are also ok to be welded.