Nock CB519 Auto Derinder



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Features and application range

  • cutting width: 500 mm
  • cutting speed: 29 m/min
  • automatic derinding machines with conveyors with high cutting speed for use in large and medium sized meat processing industrial plants.  Perfect derinding results when derinding flat and high pieces, for example belly, back fat, rind cut to size, partial cuts, shoulder etc.

Standard equipment

  • infeed conveyor
  • discharge conveyor
  • discharge slide sheet
  • blade gap infinitely adjustable
  • spring suspended blade holder for perfect derinding results
  • spring suspended pressure roller, additionally continuously variable in height
  • tooth roller with scraper comb
  • compact polygonemachine casing with underframe open on all four sides
  • NOCK POWER PLATES® for the outstanding robustness, durability and service friendliness and smooth, easy to clean surfaces
  • NOCK EASY-FLOW® safety coverfor reliable product flow and better hygiene during processing
  • conveyors can be removed within seconds without any tools
  • lockable castors
  • stainless steel
  • stainless steel bearings


  • discharge conveyor for removed skin
  • plastic modular belts
  • inflated pressure balloon
  • NOCK ACTIVE SKIN GRIPPER ® ASG for higher yield, best quality of the rind and protection of the pressure wheels with perfect first cut – £2,339
Technical data Cortex Cortex CB 503
cutting width 500 mm
cutting speed 29 m/min
maximum throughput height 120 mm
blade gap 0 – 5 mm
apply length on infeed conveyor


300 mm
infeed conveyor (1) 850 x 490 mm
infeed conveyor (1) 850 x 490 mm
discharge conveyor for removed skin (1) 650 x 490 mm
overall dimension W x H x D 865 x 1190 x 1860 mm
weight 265 kg
motor performance 1.1 kW
electrical connection 3 AC – 400 V – 50 Hz

IEC 60309 16 A 6h

other voltages upon request

compressed air not required
More information not required


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Units 1-6 Mountain Farm, Marsh Road, Hamstreet, Ashford, Kent, TN26 2JD. | Registered No: 05766547, Registered in England.

EORI No’s: GB621813661000 XI EORI number (Ireland) XI621813661000s