The Aweta rose grader is an integrated rose processing machine, which consists of a sorting section and a number of bunching stations. The grader is equipped with a central computer which controls the entire machine, records grading data and coordinates the processors of the bunching stations and elastic binders.

The roses to be processed are hung at a convenient working height in the conveyor forks. An optical system 'reads' the image of the entire rose and sends the data to the computer. This measures the length and thickness of the stem and then, on the basis of this data, allocates the rose to the correct length category. (The stem thickness is measured over the entire length of the rose).

Once the bunch has been formed, the elastic binder goes into action. The bunch is tied and the stems are trimmed to the programmed size, after which a robot arm picks the bunch up and gently places it on a collection table. The roses are now ready for further processing. Thanks to its special construction the collection table forms a buffer, allowing a minimum manning level.

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