GoSelective selective soldering system now comes with a fiducial recognition function with automatic PCB alignment. Registers PCB to be soldered optically and compensates for various types of misalignment such as offset, rotational error and linear shrinkage within the PCB. Wrongly placed PCBs are detected and are not soldered. Up to three fiducial marks are selected in a learning procedure. Captures images of these fiducials and memorizes their location. The machine moves to the previously memorized positions automatically and captures PCB image. The correlation between this actual live image and the learned image is calculated and gives a correction value for each fiducial. Can then calculate offset, rotation and linear shrinkage of the PCB compared to the board used for the learning procedure. Generates a position correction for each production board. Contains an error-proof function that checks the loading of the correct soldering program and controls each board for positioning.

SEHO Systems, www.seho.de

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