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  • Combination of Sensing Techniques Checks Laser Weld Quality
    COLUMBUS, Ohio -- A trio of sensing techniques combine to form a single, reliable system that can inspect the quality of high-power laser welding, according to a study at Ohio State University. While each individual technique inspects welds with only modest accuracy, combining the three can detect
  • Laser Spot Welding of Copper to Stainless Steel
    Copper is typically the most challenging material to laser weld, welding it to a less expensive dissimilar material such as steel is doubly challenging. This work was done to demonstrate the capability of the fiber laser in this novel material combination. Due to the challenges of welding copper
  • Laser Staking Securely Joins Plastic Parts for Printed-Circuit Boards
    and automation. Picking plastics to laser weld , " Machine Design, Sept. 18, 2003 Manufacturers of electronic components with printed-circuit boards (PCBs) have a new method for mounting PCBs to their respective thermoplastic housings or substrates: laser staking. The technology uses the same principles
  • Laser Welding of Brachytherapy Seeds
    . The above metallographs show successfully welded Titanium brachytherapy seeds. Figure 1 shows Medium power welding at 35 W. X-axis travel 1 mm in 3s, laser duration 3s. This was seen to be a highly reproducible process with the spherical external surface being quick to produce. The convex internal surface
  • Laser Spot Welding of Copper
    application for lasers especially at the near infra red wavelength. A series of small spot welds were made using 170W CW and a weld time of 0.1s to weld two pieces of 0.1 mm thick copper together. The concentric rings visible on these samples confirm that the high power density of the fiber laser
  • scanCONTROL Laser Scanner Inspects Pipelines
    Pipelines must be inspected to ensure that there are no cracks or deformations inside. The scanCONTROL laser scanner from Micro-Epsilon masters this task at the highest precision. Defects inside the pipeline may lead to complete pipe failure. The weld seam in particular is a critical feature when
  • Fiber Laser Welding of Clear Plastics
    Fiber lasers have now matured into exceptionally reliable and stable industrial tools. These lasers have unique capabilities that enable a wide range of high quality micro-machining processes; of interest here is their ability to produce high quality welds between plastics. Of special concern
  • Laser Cutting and Welding of Copper (Cu) and Copper Alloys
    working with copper due to the fact that the molten weld bead becomes very highly reflective resulting in reflected power being transferred back into the laser. A series of 20mm long rectangular cuts were made at various laser parameters and a range of cut speeds. Due to fit up issues

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