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3DPS adaptive positioning software and contact sensor system is used on placement machines to optimize pick and place of components with turret heads fitted with accurate contact sensors. This permits the machine to know precisely when it contacts a component or the board.

Component pickup is compensated in x, y and z for each part type individually. During the picking sequence, the APS system compensates different picking heights. The system is said to eliminate the need for manual picking adjustments. By automatically adjusting the pick height, there is less chance of nozzle bounce and hence, fewer miss-picks. The result is greater reliability. Feeders incorporate their own fiducial mark, enabling fast, automatic calibration of pick-up position when loaded to the machine. Additionally, this feature provides fast product changeovers.

3DPS also compensates for board bow and twist on placement. Placement height is adjusted to reflect a similar board height to adjacent components. The placement force is optimum, even on a warped PCB. More precise placement height gives greater placement accuracy. The automatic z placement adjustment feature divides a board into zones. After a component is placed in one zone, the possible correction will apply on this zone. If the correction is significant, a partial correction will be done on the adjacent zones, increasing reliability. There is no derating and the automatic optimization of z travels reportedly results in improved throughput and speed.

Benefits of the system include no-stress and smooth axis movements, and continuous adjustments in real time.

The software can be integrated with a package that include traceability tools for full data logging for component-level build traceability; component outline auto-generation, a GUI that automatically creates any type of new package, reportedly in less than a minute; and wireless real-time communication between feeders.

Available from Europlacer, europlacer.com.

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