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Machine Design

Hybrid Welding of Complex 3D Parts

A new development in the process of laser through-transmission welding, called hybrid welding, unites monochromatic laser radiation with a secondary radiation source. The second source is a polychromatic light from halogen lamps, which produces a focal diameter wider than the laser spot diameter. The secondary radiation additionally heats the top layer volumetrically, resulting in a larger process window and a three times faster feedrate. Features include improved seam strength, less residual creep, material creep is topped, and tempering is no longer necessary after welding.

Hybrid welding benefits complex 3D-part production, such as automotive taillights, due to the process’ increased stability and increased efficiency.

LPKF Laser & Electronics North America
80 Engelwood Dr.
Suite I
Orion, MI 48359
(248) 276-1825

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