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  • Poniedziałek - Piątek

    8.00 - 15.00
  • Sobota - Niedziela


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  • Poniedziałek - Piątek

    08.00 - 15.00
  • Sobota - Niedziela


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Automatic sharpening machine KNECHT USK 230 - HV 208 II

The Automatic Sharpening Machine USK 230 - HV 208 II sharpens up to 100 cutter knives (500 l) per 8 hour shift, fully automatically. The average sharpening and polishing time per knife run from 2-3 minutes, depending on the blade size. With each regrinding, the complete blade profile is processed. There is very little material removal from the knife. A 500 l cutter knife can be reground up to 40 times. Linear-shaped cutter knives as well as sickle-shaped cutter knives can be ground. The maximum knife size is approx. 450 mm (17.7 in), that equals a cutter knife of around 500 l. The USK 230 B - HV 208 II is very easy to use. The operator determines the most ­important functions, such as the number of the grinding cycles and the camber of the knives, via touch panel directly on the machine. This means that with every resharpening, the blade is given a cutting edge tailored exactly to the product. The created grinding programs are stored in the data memory of the machine. The ­number of grinding programs is unlimited. Updates and new programs are loaded onto the HV 208 online.


SKU: ID1622 Producent KNECHT Category:

Technical Data

  • Depth: 1943 mm
  • Width: 1800 mm
  • Height: 1361 mm
  • Weight: approx. 330 kg
  • Electrical supply: 2.8 kW 3x 400 V 50Hz
  • Back-up fuse: 32 A
  • Compressed air supply: 6 bar
  • Air consumption: < 50l per minute
  • Emission sound pressure level according EN ISO 11201: approx. 80 dB (A)
  • Internet connection: RJ45
  • Largest cutting tool: approx. 450 mm (17.7 in)
  • Performance (cutter knives 500l): 100 knives per 8-hour shift


Copy clamping plate SP 110

The plate contains all necessary information about the shape and size of the knife. Each knife type receives its own custom-made copy clamping plate. Inconvenient programming and adjusting is unnecessary. This means simple and fast handling. It only takes one minute to convert the machine to a different knife type.




Water resistant wet-grinding belts are used to grind the knives. The grinding abrasion is bound by the coolant water. This means that it doesn’t get into the environment. Up to 40 cutter knives (500 l) can be ground with one belt.



Polishing and deburring

During the automatic grinding process, the operator polishes and deburrs the knife on the 340 mm (13.4 in) big finned brush. The ­precisely matched peripheral speed and the optimally balanced brush resistance compensate operational mistakes.



Sharpening principle

The operator moves the first knife of the set by tip operation into the grinding position. Pressing the start push button a second time activates the chosen sharpening program. The following blades of the knife set are moved automatically to the detected grinding ­position. From there, they are sharpened with the selected ­sharpening program.