Fiber laser cutting system


Miyachi Unitek, Monrovia, CA, has introduced the new Sigma XY fiber laser cutting system, offering a rigid linear drive and gantry-based motion system for high-speed precision laser cutting of thin metals. Applications include metal laminates, electronic device mounting plates, and medical cutting blades, for a wide range of materials including steels, aluminum, and brass.

The Sigma XY combines high accuracy linear motors with the fine spot capability of Miyachi Unitek's LF series range of fiber lasers, enabling high dimensional accuracy on cutting profiles. A proprietary laser power ramping algorithm for acceleration and deceleration profiles provides fast cut times and consistent thermal input for stable cutting. The fiber laser technology offers high resolution cutting (spot size down to 10 μm, beam quality M2=1.1), with pulse widths to 10 μs and pulse frequency up to 50 kHz.

The system is available with laser power of 20, 50, 100, 200, and 500 W, in Class 1 or Class 4 operation. The gantry is high-strength-welded onto a 4-in. thick granite base. Options include several cutting box styles, fume exhaust, part hold down tooling, focus control sensing, programmable gas pressure, high pressure cutting heads, 4-in. or 8-in. travel Z-stage axes motion, and a control pendant.

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