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Dukane Laser Welding Brochure

Dukane Laser Welding Brochure
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of your plasticassembly challenge >

t s advantages > Galvo head technology uses mirrors toredirect the laser beam and a flat-plate lens to focus it on the work. Because these mirrors and the servo motors that drive them are very tiny, they have very little mass and can be moved at high speeds and stopped very quickly. This enables galvo-equipped machines to weld in a slower scanning contour mode, or fast, repetitive scanning mode called quasi-simultaneous welding. The current limit on the working field of a galvo head is about 200 to 250 mm in diameter. This technique is most effective for parts with flat or slightly...

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Beam Splitting is useful for weldinglarger parts. A single higher-power laser beam can be split into two beams each at half the power of the original beam, and may be divided again if need be. This allows for multiple-part produc- tion from a single motion source, or attachment of multiple galvo heads to a single laser so quasi-simultaneous weld- ing can occur on a part larger than the working field of a single galvo head. Cost-per-unit-power drops as laser size increases, so beam-splitting is a good option for welding large parts quickly. > Diode Lasers Nd:YAG Lasers are essentially...

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