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As shown in Figure 2, the welding head consists of seven basic units: QBH
connector, collimator lens unit, galvo-lens unit, wireless control unit, focus lens unit,
protection glass unit and nozzle unit.
Figure 2 - Structure of HW970
⚫ QBH connector: complete the access and lock of the optical fiber connector.
⚫ Collimator unit: complete the fiber collimation function and collimate the
incident laser into a parallel beam.
⚫ Galvo-lens unit: Vibrate and reflect the collimated parallel laser at a certain
angle to change the direction of the original beam and the shape of the spot.
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