High performance in hardened steels
For the tough cases: Newly developed cutting material grade
Paul Horn GmbH has developed the new SG66 cutting material grade for turning processes involving workpieces with different hardness zones.
When machining edge-hardened turned parts or with an interrupted cut, the user quickly reaches the limits of the CBN cutting material. This is where the new cutting material grade comes in: The aluminum-titanium-silicon chromium nitride layer, in combination with the fine-grain carbide, shows high performance in hardened steels up to 58 HRC. The maximum application temperature is 1,200 degrees Celsius.
The advantage of the solution: The high flexural strength of the carbide substrate means that interrupted cuts in hardened materials are also possible. In addition to hard machining, the grade is also suitable for the reliable machining of high-temperature resistant and other difficult-to-machine steel alloys.
Gap in the area of lancing closed
The SG66 grade is available for all common horn insert systems. The in-house coating also enables a short delivery time for special tools. The SG66 grade cannot replace the CBN cutting material: Horn fills the gap for special hardness cases in recess turning. In comparison, the CBN cutting material achieves twice the cutting speed and more when machining through-hardened materials.
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