Pick-and-place machine for LED placement on PCBs

Blakell Europlacer has launched the dual-gantry Iineo II pick-and-place machine designed for high-speed LED placement on ultra-long printed circuit boards (PCB).

The machine is capable of handling oversized PCBs up to 1,610 x 600mm with a placement rate of up to 27,300cph.

LED panel producers are increasingly requesting one board of 1,600mm instead of two boards of 800mm with connections.

The connections pose risks of breakdown and can be problematic, ultimately reducing the quality of the product.

In order to be able to produce big boards, many contending pick-and-place manufacturers have compromised by sending the PCB twice to the machine or by reducing the number of feeders accordingly.

Some see 800mm as futuristic and others can handle boards of 1,200mm maximum but the pipette heads fail to reach the complete board.

The structure of Iineo allows many board size configurations.

PCBs of 1610 x 460mm can be handled without reducing the feeder capacity of 264 position 8mm.

By using the front side of machine for feeders, Iineo II still achieves 132 positions 8mm and can increase the board size to 1,610 x 600mm.

With Blakell Europlacer's concept of turret heads, all heads can reach the complete board without de-rating.

The turret heads can be fitted with eight or 12 nozzles and feature an 'on-the-fly' vision system that can analyse components from 01005 up to 50 x 50mm.

An increased component height of up to 34mm can be placed by the turret head.

The vision algorithm developed by Europlacer can detect the correct orientation of the LED and also ensures accurate placement by automatically rotating the placement orientation by up to 180-deg if an LED with wrong orientation is detected.

LEDs can be picked from tape, tube or sticks using Europlacer's Intelligent Belt Feeder.

Each component is driven on an individual belt, which eliminates vibration.

The Belt Feeder features component recognition, data entry by micro-terminal and barcodes, auto adjustment of pick-up, offset and batch ID for traceability reports.

Specific LED elements and nozzles can also be designed and customised.

The Iineo II can be fitted optionally with a glue dispenser featuring a time/pressure system or paste dispenser with an Archimedean screw system, enabling the same machine to efficiently disperse conductive adhesive on the PCB before the LED placement.

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