Hard Part Turning in the Automotive Industry

ISCAR provides robust and reliable solutions for hard part turning of automotive components to ensure maximum performance, efficiency, and precision. ISCAR offers a wide range of PCBN - Polycrystalline Cubic Boron Nitride - and ceramic grades for hard part turning of difficult materials such as hardened steels of 45 up to 70 HRC, super alloys, sintered metals and gray cast iron.
PCBN is an excellent choice of material for producing cutting tools, particularly as it can be used at extremely high cutting speeds.

Second to only synthetic diamond on a scale of hardness, PCBN is characterized by its innate durability, as well as its thermal shock and chemical resistance. ISCAR PCBN and ceramic inserts are the first choice for hard part turning at high cutting speeds and are available in a wide range, including:
-Brazed PCBN - Carbide as a base with brazed CBN tips or top layer for finishing operations.
-Solid PCBN - for more aggressive machining conditions.
-Coated / Uncoated Ceramic inserts - for different kind materials.
-Dimple Ceramic inserts - for high feed machining.

To machine materials with high hardness level of 65 HRC, inserts with a higher level of hardness carbide inserts are necessary. Ceramic inserts, which have a higher level of hardness than carbide, offer a good option for hard part turning from 45 to 60 HRC. PCBN inserts are suitable for hard part turning from 50 to 70 HRC.

Hard part turning applications are similar to standard turning applications: continuous machining, light interrupted cut, and a combination of continuous machining and light interrupted cut applications.

ISCAR’s PCBN inserts possess high thermal conductivity with remarkable chemical stability at high temperatures. These properties enable the machining of hardened materials at high cutting parameters. PCBN’s strong wear resistance ensures significantly extended tool life, while maintaining dimensional tolerances and superb surface finish standards.

The demand for PCBN and ceramic grades is growing exponentially as the use of hardened materials rises throughout industry, particularly in the automotive, bearing, and die & mold industries.

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