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Home » Sandvik Coromant Expands Hard Turning Operations

Sandvik Coromant Expands Hard Turning Operations

October 19, 2018
The latest Sandvik Coromant grades provide the ability to perform medium-to-heavy interrupted cuts and remove the hardened layer (depth of cut up to 2 mm) in case- and induction-hardened steel components, typically for the automotive industry. Here, CB7125 and CB7135 offer longer and more consistent tool life, good levels of surface finish and consistent dimensional tolerances.

“For everyone working with transmission and other hard-turned components, there is a reason to choose these CBN grades,” explains Torbjörn Ågren, product manager-general turning at Sandvik Coromant. “Not least because adding value in speed capabilities and providing a more secure edge line and consistent tool life means lower cost per component. This is particularly the case when aiming for a one-cut strategy, namely a single cut with larger chip thickness, at high speed.”

CB7125 and CB7135 are optimized for turning steel materials with a hardness of 58-62 HRC. Designed for medium intermittent cutting, CB7125 features a new PVD coating that provides improved wear and fracture resistance for extended tool life. This grade, which contains medium CBN content, is ideal for turning of shaft splines and shafts with chamfered oil holes or pockets. Further applications include the facing of gears, the hard-to-soft turning of crown wheels, and the removal of hardened layers.
Product News
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