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Disc Grader

Manufacturer: PPM Technologies

Disc Grader

Rotary disc grader that separates undersized and oversized pieces of chips, cereal and other fragile products with progressive-speed disc rollers.

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Key features

  • Suitable for pre-sorts or full sorts without extra labour
  • Tumbling action, no vibration required
  • Self-cleaning feature prevents plugging between rollers or discs
  • Size grades can be changed during operation via adjustable roller centrelines
  • Stainless steel or polycarbonate discs
  • Capacity can be matched to the existing conveyor system
  • Nylon or Oilite bearings need no lubrication
  • Single gear belt drive

Technical data

Disc material
Stainless steel or polycarbonate
Bearings
Nylon or Oilite, no lubrication required
Drive
Single gear belt drive

Description

PPM disc graders separate irregular or unwanted sizes from on-size product. Disc rollers carry chips, cereal or other products from one sizing section to the next. Roller speeds increase progressively along the machine, spreading product into a single layer so that each piece is sized accurately: undersized pieces drop between the discs, while larger pieces are carried forward by the rotating discs. Each unit is built to the product's specifications and grading parameters, and sorts accurately while handling even very fragile products gently.

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