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Contoured Laser Technology - CLT (Laser Welding)

Branson continually explores new methods of joining plastics. Our Laser Assembly Systems are based on passing laser radiation through one plastic component and absorbing the energy at the weld interface. This absorption results in the heating and melting of the interface, and with the application of a controlled clamp force the parts are joined. The major breakthrough in Laser technology is the ability to illuminate the entire welding surface simultaneously. Recognizing that laser welding is becoming one of the most anticipated means of joining plastics Branson introduces the newest additions to our Laser product line, the Radiance® Series.

Technology

Branson Laser assembly systems use a process called Simultaneous Through Transmission Infrared welding (STTIr). The process passes laser radiation through one plastic component (transmissive component), and the energy is absorbed by the mating component (absorptive component). This absorption results in the heating and melting of the interface, and with the application of a controlled clamp force the parts are joined.

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Systems and Components

· Unmatched performance and flexibility in a completely modular system approach. · Laser bank features a new closed loop control system. · Flexibility and ease of integration is a key principal in the design of the Radiance 3I laser bank. · SmartFiber optic bundle provides high-efficiency power delivery.

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Radiance Components

The Laser Bank is the core building block of the laser system. Each laser bank module contains five high-powered laser diode bars housed in special sealed chambers. Laser bank modules are available with either 980nm wavelength diodes. Furthermore it features a new closed loop control system. A proprietary optical feedback circuit integrated with a Digital Signal Processor adjusts the laser drive current to deliver and maintain the commanded laser energy to provide repeatable reliable welds.

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