Contact
Hartmetall- Werkzeugfabrik PAUL HORN GmbH
Unter dem Holz 33-35
D-72072 Tübingen
Tel. +49-7071-70040
Fax +49-7071-700458
info(AT)phorn.de
www.phorn.de
Technical information
Material: 20MnCr5 - case
hardened 58-62 HRC "Cutting data:
Vc = 140 m/min
Vf = 0.08 mm
Example 3
GROOVING OF HARDENED PARTS
Hardturning on Gear wheel
Special CBN-tipped insert type S117 is used to finish the width of the groove. The stock removal is approximately 0.15 - 0.2 mm (.006˝ - .008˝). The insert is ground to final width of the groove.
Both flanks are machined at the same time (Rz=2.3 μm). To obtain high surface finish, the insert has a wiper flat on both side cutting edges.
Stable machining conditions are imperative. No coolant.
