This system has turned out to be the most effective system to detect defects such as stains, spots, and colors in shades of black, green, yellow and white.
For applications on diced tomato we suggest the DixAir T system.
THE VISION AND ILLUMINATION SYSTEMS
The sorter uses a system of linear high speed, high resolution cameras which inspect the product on the conveyor belt.
The image analysis is carried out by on an electronic board which utilizes the newest technologies of integration and speed, entirely designed by Protec, to guarantee the highest performances. Combined with powerful software for image enhancement it is possible to inspect defects with a resolution of 0.25 x 0.25mm. The cameras are the latest generation: higher sensibility along the light spectrum, higher speed for data transfer and higher mechanical strength.
The illumination is done by means of a dedicated solid state illuminating system of high intensity, and exclusive of its kind. This assures an even and constant distribution of the light on the product, together with high reliability and long lasting performance.
Upon request, it is possible to supply a color illuminating and vision system.
The sorter is also equipped with an exclusive back-lighting device, placed below the belt, to illuminate the product and highlight the defects.
The product is surveyed at a high speed using a combination of powerful software, microprocessors (µP), digital signal enhancers (DSP) and programmable Gate Array (FPGA).
By using Surface Mounting Technology (SMT), it is possible to place a high number of electronic components in a limited space for greater reliability of all circuits and components.
THE CONVEYING SYSTEM
The conveying belt allows for easy maintenance and rapid replacement, keeping to a minimum the number of parts to disassemble.
The belt speed is adjustable up to 4 m/s.
THE EJECTING SYSTEM
The unsuitable product detected is ejected by means of air nozzles, actuated by an electro valve. Their number and pitch depends on the type of product.
SUPERVISION AND MAN-MACHINE INTERFACE
The sorter is equipped with a color Touch Screen monitor which allows the user to supervise all operations and program the machine's main functions.
The operator interface is installed on a mobile arm that allows the best and most comfortable position in every condition.
The main functions of the system are protected by password to prevent inappropriate intervention.
The software monitors all the functions:
machine settings, air pressure, motor activation, belt speed.
All of the monitoring can be done either automatically of manually.
CONNECTIVITY
The field bus is Ethernet TCP/IP; upon request, it is possible to use other industrial bus (Interbus, etc..). By using the standard type, it is possible to connect to the industrial control system or control panels through a local LAN .
It is also possible to equip the machine with software and a modem for tele-assistance and diagnosis, to control the equipment remotely, through a phone line.
