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Het Kraaiennestin, from Holland, is using Leuze Electronic’s discrete optical sensors and light scanners on a produce-sorting system with eight palletisers.

The sorting system was manufactured by Taks Tuinbouwtechniek, a Dutch company specialising in internal transport systems, especially for produce growers.

The system ensures the internal transportation is smooth and fast and that ergonomics for the employees are improved to raise efficiency.

The design scope of the system is to handle twice the predicted quantity of tomatoes to allow for further expansion.

Therefore, Taks installed eight palletisers, a pallet-transport system, a pallet magazine, a traversing unit and a strapping machine.

The tomatoes are first sorted by size and colour, before being placed in 6kg cartons.

These cartons are transported by roller conveyors to the individual palletisers, where they are stacked onto pallets up to 2.7m high.

The palletisers use Leuze Electronic’s 25B series photoelectric sensors and light scanners to reliably detect the load carriers, namely the cartons and pallets.

These sensors are designed for challenging applications and therefore their performance reserve enables them to function properly, even in this environment, guaranteeing an efficient process.

As soon as the pallet is fully loaded, it is discharged via chain conveyors, picked up by the traversing system and moved to the strapping machine.

Edge protection is fitted to the pallet load of tomatoes and it is ready for transport.

The entire system is controlled from a console, where all the parameters, such as weight or the number of cartons, can be defined.

This investment has allowed all the logistical processes to be handled by just four employees.

Leuze Electronic

Leuze electronic the ‘sensor people’ are committed to being the supplier of choice by providing the best customer service and products.

Leuze electronic the ‘sensor people’ are committed to being the supplier of choice by providing the best customer service and products.

DETECTIONOptical Sensors: An innovative range from economic standard sensors to feature-rich special solutions.

Barcode, 2D and RFID code readers; Smart cameras and Vision systems; Optical data transmission; Optical positioning.

PROTECTION – Machine safety light curtains and barriers; Safety laser scanners; Door and entry interlocks and switches.
Leuze electronic also offer a machine Safety Inspection Service to ensure the correct guarding of machines using any brand of safety light curtains & barriers.

Virtual online catalogues, industry specific brochures, and extensive guidance on machine safety are all available on our website.
Please call and talk to ‘the sensor people’ for technical information, samples and advice.

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