Ultra sonic sharpening (patented)

Short description

Highly innovative sharpening technology using ultrasonic forging to produce cutting edges with demanding technical specifications and operating characteristics as well as for the design of slim* blades and small dimensions. *currently suitable for blades of smaller thickness – up to 0.3 mm (depending on hardness and sharpening angle)

More information

Technical explanation

A hammer construction which is powered by an ultra sonic generator forms a cutting edge. The sonotrodes – which come in the form of a hammer and an anvil – build a gap that corresponds to the wedge angle of the future blade. The energy imparted by several tens of thousands of strikes per second makes the material flow in the cold state thus leading to a plastic deformation of the metal in the area of the cutting edge.

akt Prototypanlage USS


  • Significant cost and time reduction in the sharpening process
  • Improvement of the blade life (edge-holding property)
  • Improvement of the blade quality (reduction of the blade abrasiveness)
  • Minimization of the angle of the cutting edge (easier and more precise cutting)
  • Creating new blade profiles (high relevance for surgical instruments)
  • Deployment of more cost effective materials
  • No grinding dust

Typical fields of application

  • surgical scalpel blades and instruments
  • razor blades
  • industrial blades

Technological advantages of ultrasonic sharpening technology

  • significantly smoother and sharper cutting edges
  • healing process almost 50% faster
  • creating new blade profiles
  • essential increased hardness