A knife sharpener for every situation.

Good forage quality depends on sharp knives. The AQUA NON STOP COMFORT knife sharpener ensures consistently and evenly sharp knives—fully automatic for up to 51 knives. Over 90 templates not only ensure precise sharpening along the knife contour for knives from almost any manufacturer but also allow straight knife edges to be sharpened. The closed circuit contains a grinding emulsion to ensure perfect wet sharpening with virtually no loss of knife hardness and consistently optimum cutting quality—even with repeated sharpening. With this process, it does not matter how worn the individual knives are. The system is simple and easy to use. There are no time-consuming adjustments to be made, set-up times are extremely short, and no manual intervention is required. This gives you time for the important aspects of your business.

How you benefit.

Retains original knife contour and scallop pattern
Dust-free wet sharpening with low heat generation
No loss of hardness due to overheating
Safe, simple operation with short set-up times
Magazine size designed for up to 51 knives
Longer knife service life
Lower fuel consumption thanks to constantly sharp knives
Higher throughput and greater area output with optimum cutting quality

AQUA NON STOP COMFORT

Can be used universally for almost all manufacturers.

Over 90 templates for sharpening over 200 knives.

The AQUA NON STOP COMFORT knife sharpener can sharpen knives from almost any manufacturer. There are currently over 90 templates available, allowing over 200 knives from 26 different agricultural machinery manufacturers to be precisely sharpened along their contour fully automatically. The range of templates is constantly being expanded, and changing templates is a matter of minutes and requires no tools. Sharpened knives can be placed in the designated knife drawer, making it virtually impossible to insert the wrong knives. The templates ensure that the whetstone sharpens the knife precisely along its original contour—the result is the perfect cutting edge.

Knives that are not shown in the current template list can be assigned to a template after CLAAS has checked them. If necessary, a new template will be produced. To use this service, complete the template request form together with your local CLAAS distributor.

Overview of currently available templates for download

Greater comfort when sharpening knives.

Simple to operate.

The ergonomically designed control terminal ensures that key adjustments can be made intuitively. The machine is switched on and off here, and the number of sharpening cycles is preselected. The sharpening pressure can be fine-tuned with a rotary knob and monitored with a pressure gauge. The flushing process for the sharpening chamber can be easily activated using the terminal keys to clean the machine during or after sharpening. The terminal also provides service technicians with diagnostic functions.

Technology at the highest level.

The fully automatic system is controlled by compressed air. The lift table, sharpening motor, and knife edge caliper are pneumatically operated. Various sensors and digital pressure switches provide process control and safe, reliable operation. These elements ensure significantly greater precision and eliminate susceptibility to mechanical wear that can lead to unreliable results. Sensors can monitor all processes and operations for diagnostic purposes.

Work tidily and efficiently.

Grinding filings are collected in a special drawer. A two-stage deposition process reliably clears the filings away, leaving the surrounding air completely free of grinding dust. The filings drawer can be emptied at any time.

Reliable knife detection.

The AQUA NON STOP COMFORT knife sharpener allows you to sharpen a wide range of knife shapes precisely along the desired knife contour. A special inductive sensor installed in the lift table ensures that knives are detected clearly and reliably, even if they have some dirt adhering. This sensor uses a magnetic field to detect whether there are more knives to be fed into the sharpening process.

Fully automatic.

After sharpening, the knives are automatically returned to the drawer. A safety switch ensures that the sharp knives can be removed safely. The knife drawer holds a full set of knives.

What users are saying about the knife sharpener:

Stotz Contractors

“This machine is a great discovery for us,” says Leon Schade, a mechanic and driver at Stotz Contractors in Germany, who has come to enjoy sharpening knives. “We're all very happy that our boss has bought this machine. And if I’m completely honest, our sharpening quality could have been better, but now we get it.” The outstanding sharpening quality produced by the machine was a key argument that convinced CEO Peter Stotz to buy the fully automatic system: “I used to sharpen knives myself, so I know how much effort it takes. I also know very well that even semi-automatic machines will never come close to the sharpening precision of the CLAAS machine.”

Bernd Wittrock and Hans Wittrock from the German company Landtechnik

Bernd Wittrock is passionate about knives and knife care. He is an agricultural engineer and CEO of Hans Wittrock Landtechnik GmbH in Rhede (Emsland, Germany), which not only sells agricultural machinery but also develops and distributes custom machines for special applications. These include the CLAAS AQUA NON STOP COMFORT, a machine his customers are very enthusiastic about: “The short-cut straw looked as if it had been cut with a samurai sword—just perfect for my young chicks!”

Looking for your local dealer?

CLAAS Parts Shop.

Order parts online.

Do you have any questions about our products?

The knife sharpener.

A knife sharpener for every situation.