Proof of precision 2

Grinding compares to hard turning

HARD TURNING VERSUS GRINDING OF A TUNGSTEN CARBIDE PUNCH

Test performed by the Fraunhofer Institute of Production Technology
Project:     Carbiturn
machine:   Slantbed-Mikroturn 50 CNC

PART DETAILS

hard turning process 2.1

Results for a batch of 12 punches
Surface roughness Ra 0,1 micron / Rz 0.58 micron Size accuracy < 1 micron

hard turning process 2.2

HARD TURNING VERSUS GRINDING OF A TUNGSTEN CARBIDE PUNCH
Test performed by the Fraunhofer Institute of Production Technology
Project:     Carbiturn
machine:   Slantbed-Mikroturn 50

hard turning process 2.3

GrindingTurning
Roughing face8 min.10 min.
Machining contour45 min.10 min.
polishing30 min.3 min.
Total83 min.23 min.
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