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Heavy Duty, Full Automatic Slitter (TRH)

The roll slitter machine type TRH is designed to cut rolls of abrasive paper and cloth and to rewind them with grain both inside and outside. TRH is a very high-performance machine which is suitable for the continuous process of heavy jumbos. It can moreover cut from full jumbo width rolls of 20-25 mm width for the production of flap-discs, flap-wheels and economy rolls.

Technical Data

  • Variable speed up to 120 m/min
  • Cut by pneumatic knifeholders or with fixed knife set
  • Carousel fitting 8 FKSs
  • Expanding shafts on both unwinder and rewinder sides
  • Automaitc web alignment on unwinder
  • Automatic brake tension control
  • Unwinder maximum diameter 1250 mm
  • Cross cutter
  • Lift table to perform better insertion of the roll ends into the rewinding shaft
  • Rewinders maximum diameters 600 mm (700 mm on single shaft)
  • Automatic roll ejection on rewinders
  • Roll diameters automatic control (unwinder and rewinder sides)
  • Easy to operate touchscreen


  • Penumatic knifeholders with pneumatic clamping, positioning by hand wheel (KH-50)
  • Penumatic fixed knife set (FKS) for cutting width less than 50 mm out of the whole slitting width
  • Automatic knifeholder selection with zero waste management


  • Separate unwinder up to 1600 mm diameter jumbo roll
  • Special display showing the distance between the individual knifeholders
  • Support rolls on rewinding system for lock rolls-end
  • Automatic roll end closing, before ejection
  • Trim rewinders

Size and Power

  • Overall machine dimensions: 3.7 x 2.4 x 2.7 m
  • Approx. weight: 5500 kg
  • Installed power: 27 kW
  • Air consumption: 10 l/cycle

See Also

AL 130 — Knife Sharpening Machine