Sharpening machines to resharpen metal cutting circular saws

All grinding operations in one clamping


The versatile sharpening machine for resharpening, re-cutting and chamfering of used HSS and solide carbid circular saws

Your added values

  1. You save valuable working time and can use it in other ways to increase profit and sales.  
  2. Without extra effort, you can achieve even better quality and delight your customers.
  3. CNC flexibility opens up new markets and customer circles to your business.

Advantages of the REDENT 400

Complete machining

  • Automatic sharpening and teeth grinding on one machine
  • Chamfering in the same clamping already from saw blade Ø 30 mm
  • All common tooth shapes and geometries feasible, including vario and special toothing
  • All angles are freely adjustable - rake angle, clearance angle and chamfer angle
  • Ideal for machining of HSS and solid carbide circular saws

Additional benefits (options)

  • Additional spindle to grind chip splitting grooves in the same clamping


  • Programming is child's play with our intuitive user guidance
  • Quick access to your most important saw blade data
  • Automatic sharpening: Define saw blade data - insert saw blade - START
  • Pre-program the next job while the previous job is running

Quality and safety

  • Automatic checking of the critical saw blade data
  • Automatic threading of the grinding wheel
  • Highest grinding quality and repeat accuracy thanks to thermal stability, vibration damping and complete machining in one clamping
  • Optimum cooling with grinding oil or emulsion

Technical Data

Process data  
Circular saw diameter for teeth-grinding Ø 20 to Ø 400 mm
Circular saw diameter for chamfering Ø 30 to Ø 400 mm
Circular saw thickness up to 20 mm
Tooth shapes A, B, Bw, BS, C, Vario (option), special shapes
Tooth pitch up to 60 mm
Number of teeth 2 to 1000
Grinding wheel diameter for teeth-cutting Ø 250 mm
Grinding wheel diameter for chamfering Ø 100 mm or smaller
Grinding wheel diameter for chip breaker Ø 30 to Ø 50 mm
Length x width x height 1778 × 1211 × 1489 mm
Weight approx. 2500 kg
Power connection 400 V
Power consumption approx. 8 kVA
Compressed air 6 bar