Opto Electronic Colour Sorter (Autosort Series)

Radix Systems Limited of UK is a wholly owned subsidiary of Fowler Wesrup, Bangalore. Radix was established more than two decades ago. The company has developed world class products and Radix installations throughout UK and Europe are helping large and small companies to maintain their market leadership positions. Many of the best known household names in UK and Europe are among their satisfied customers.

Fowler Westrup has now developed the new MC-R Autosorter, especially to suit the requirement of the rice and dall sorting requirement in India. These are high performance machines with advanced technology and are currently undergoing extensive field trials.

In a short span of less just over an year, Fowler Westrup has created a niche market for their opto electronic colour sorters to sort products like dehydrated herbs, sugar, wheat flour, raisins and so on.

For more information on Radix, UK, please visit their website www.radixsystems.co.uk.

Opto electronic colour sorter

To remove impurities or foreign materials in food products based on colour, texture, thickness, shape etc.

Light weight products
  • Herbs – Parsley, Chives, Basil, Oregano, Thistle etc. Dehydrated or Frozen
  • Powdery Products – Potato Flakes, Onion Flakes, Sugar, Salt, Flour (Soji or Rava) etc.
Vegetables and fruits
  • Sliced or Diced
  • Dehydrated or Frozen
Whole Carrots
  • Whole Carrots, Okra etc.
Rice & Dall
  • Rice – Raw, Parboiled, Boiled or Steam Rice. Basmati or non-Basmati
  • Dall – Moong, Urad, Toor, Masoor etc.
Cereals & Snacks
  • Breakfast Cereals
  • Potato Chips, Crisps or Fingers
Confectionery & Formed products
  • Biscuits, Plain or Sandwich Biscuits
  • Formed Products like Chewing Gums, Mints, Waffles, Crackers etc.
Nuts and whole pulses
  • Ground Nuts, Walnuts, Cashew etc.
Opto electronic colour sorter technology Opto electronic colour sorter technology

Opto-electronic sorters combine many technical disciplines to ensure optimum overall performance. Only with a good understanding of agriculture, plant biology and food production can engineers design an effective machine.

The need to combine mechanical product handling, precision cameras and optics, high-speed multi-processor electronics, sophisticated processing and operator software and the pneumatics necessary for accurate defect ejection, challenges the best engineers in the field. We have built, and are still building, on our experience of more than 22 years in the industry and protected by a number of international patents.

Product Handling

We offer a range of vibratory conveyors, belt or polycord conveyors and a range of chutes and channelling boards, all to ensure effective product separation and good presentation to the inspection cameras.

Product inspection

Typically we use high-speed, high-resolution, line-scan cameras with wide spectral range and optics to suit an application. Single-sided, top and bottom cameras or four cameras for "all-round" vision are configured to meet the most stringent requirements.

Lighting

High-frequency fluorescent lighting for mono-chromatic inspection or Multi-chromatic lighting using red, green, blue and infra-red Light Emitting Diodes (LEDs) to detect e.g. brown discoloration in green product or foreign bodies.

Electronic processing

We have led the field in sorting with our patented parallel digital signal processing (DSP) configuration. The latest 'MC' technology uses DSPs and unique Radix architecture which will process, in four colours and with sub-millimetre resolution, more than 200,000 objects every minute.

Software

Simple, menu-driven operator software hides the sophistication of "object" processing configured into the range of Radix "algorithms". Shade and two-, three-, or four-colour processing is supplemented by algorithms able to check dimensions (width, length, height and area), shape, symmetry and many others.

Rejection

Our ejector valves are extremely reliable, with a life of well over 1 billion operations. The ejector nozzle design is dependent on the application and several types are available for optimum ejections. Up to 256 nozzles can be arrayed in a single rejection bank for minimum product wastage. Several rejection banks can be arranged in a series e.g. length grading (long, medium, short) of products.

Our Sales and Applications Engineers will be happy to evaluate your product and carry out tests in our R&D facility in Bangalore.

Unique Features of Radix Autosort Machines

  • Complete food grade stainless steel construction
  • Choice of monochromatic (fluorescent) or multi-chromatic (LED lighting) illumination depending on product for optimum sorting efficiency
  • Storage and recall of sorting programs for different products
  • User friendly touch screen interface
  • Inbuilt modem facility for remote monitoring and adjustment of sorting parameters as well as fault diagnosis.

  • Autosort MC-A:

     Specially designed for herbs, small and lightweight products. Single sided camera, Choice of 672 (MC-A721) or 1344mm (MC-A722) viewing width.

  • Autosort MC-C:

     Specially designed for sorting whole carrots. Texture, shape and size sorting also possible apart from colour.

  • Autosort MC-D:

     Suitable for medium sized products. Double side cameras (Top and Bottom) for all round vision.

  • Autosort MC-E:

     Designed for biscuits, confectionery and other formed products. Height detection (for sandwich biscuits) also possible, apart from shape, size and colour.

  • Autosort MC-R:

     Designed for sorting rice or dall (split pulses). Sorting program can be stored for easy recall for multiple products.

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