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Baublies Products
Baublies AG
Spinning/pressing/straightening/planishing tools (incl. thread forming,flow-forming and flow-turning tools)
Single-roller tool for deep rolling of dynamically stressed external threads
Bearbeitung von Außengewinden, Festwalzen des Gewindegrundes
VDI 50
Kontrolle Weganzeige (keine Kraftanzeige!) Werkeinstellung 1 kN Vorspannung
Rolle nach Anforderung
bis zu 200 m/min
nach Steigung
bis 0,02 mm
bis 2 mm
Emulsion oder Öl; eine Filterung des Schmiermediums (<40 µm) kann die Oberflächenqualität und die Lebensdauer des Werkzeuges verbessern
Rautiefe bis 15 µm
45 HRC
In the case of cut threads, the course of the grain of the workpiece is interrupted. With rolled threads, on the other hand, the grain flow is not interrupted, thus the surface of the thread is hardened and the workpiece is less sensitive to notch effects. With the Baublies single roller tool for deep rolling of radii on threads, an increase in the dynamic strength properties can be achieved. The tool rolls the core radius of an external thread and thus hardens the surface. The result is higher wear resistance and reduced notch sensitivity.

• different roll geometries possible
• easy replacement of the rollers
• short processing times
• no set-up and transport costs

In deep rolling, the aim is to increase dynamic strength properties. In contrast to smooth rolling, the ensuing surface pressure is considerably higher during solidification. The rolling force causes dislocations in the crystaline lattice, resulting in strain hardening of the surface layer. The formation of residual compressive stress in the surface layer prevents cracks from arising under stress.
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