Rapid Image Analysis Allows For "Invisible" Welds  

Oleh:

Gordon, Leslie

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 83 no. 14 (Aug. 2011), page 56.
Topik: Instruments; Machinery; Engineering; Mechanical Engineering; Technology; Comprehensive Works; Electrical Engineering

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Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Researchers al the Fraunhofer Institute for Physical Measurement Techniques IPM in Germany have just turned carmaker dreams into reality by designing a technique that welds door panels to car frames so welds are only visible on one side. In what's called "controlled partial penetration welding," a laser penetrates to the bottom sheet, without damaging its surface, while the resultant weld meets strength requirements. Until now, such welds were not possible because there was no way to see - and, therefore, control - what was happening to the bottom sheet during welding.

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