TECHNOLOGY | LASER MARKING AND WELDING
“Laser welding is technically advanced, and its success depends on the weld- ability, transmission rates, softening point, absorption agents and colour compatibility of the materials used,” says Flight Xu, General Manager of Specialty Engineered Materials Asia. “Our new Bergamid grades allow high welding strength and a smooth surface resulting in an unparalleled finished product.”
Above: LPKF’s TMG 3 allows laser transmission of plastics to be measured to speed process evaluation
Testing options With transmission key to achieving a good weld, German laser systems specialist LPKF has developed a calibrated and certified transmission measuring device specifically
for laser plastic welding. The LPKF TMG 3 can measure transmission properties of any type of plastic material prior to laser transmission welding. According to the company, it takes only a few seconds to find out whether the actual transmission values of the two joining partners match the target values from the process definition.
The company says the TMG 3 allows any
material non-conformities from upstream process- es — compounding or injection moulding — to be detected before unsuitable components can reach the production process. This is important because fluctuating transmittance values can result in sub-optimal weld seams. The measuring device can easily be integrated
into a production line for in-line transmission testing. In this configuration, it provides a reliable means to ensure that the weld seams meet the highest standards. The LPKF TMG 3 transmission measuring device is certified using calibration measurement filters tested and certified by Fraunhofer ISC.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.gabriel-chemie.com �
www.budenheim.com �
www.eckart.net �
www.ampacet.com �
www.merckgroup.com/en/s/
laser-marking.html �
www.domochemicals.com �
www.avient.com �
www.lpkf.com
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IMAGE: LPKF
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