Home Machinery Screen Grader

Screen Grader

  • Potatoes
  • Onions
  • Beetroot
  • On Farm
    On Farm
  • Processing
  • Packing
  • Customisable screen grade sizes
  • Available in widths 900-2400mm
  • Interchangeable screens
  • All bearings are external
  • Skeleton design for simple maintenance
  • Very gentle handling
  • Heavy duty construction

Haith have been building screen graders since the 1960’s and over the decades have become renowned for them. This is due to the continuous development into what is now a robust, low maintenance machine.

Round or oval produce, such as potatoes and onions, are transferred onto a traveling grading screen with a set size aperture. As the screen is conveyed forward, two full-width agitator shafts disturb the crop causing any undersize to drop on to a conveyor below and the oversize to progress over the end. The screen and agitator speeds are variably controlled individually to suit the various crop conditions.

The machines can operate individually or as part of a bespoke system with multiple screen configurations.

Each individual roller can be removed without taking the screen off, this makes the machine very easy to maintain and keeps down time to a minimum.

Standard features
  • Heavy-duty chassis
  • Variable speed shaft mounted drives
  • Crop unplugging roller
  • Dual driven rollers give optimum screen drive
  • Integral safety clutch
  • Star transfer roller
  • Twin agitators as standard
Optional features
  • Single or triple agitators
  • Screen changer to store additional screen
  • Anti-block sensor to avoid web damage
  • Stainless or mild steel construction

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