Kennametal’s latest innovation is about hard turning-KBH10B and KBH20B PcBN grades. These are double-sided inserts for materials having hardness up to 65 HRC. These grades are used for turning tool steels and other hardened materials, which is accompanied by longer tool life and higher productivity.
Robert Keilmann, Product Manager, Turning said, “these grades are an optimum selection for production of hardened components in high volume, where tooling cost per part is very crucial.” Polycrystalline cubic boron nitride (PcBN) mini-tipped inserts are very effective to decrease the part expenses when turning hardened steel components. They enhance the value proposition with a decreased cost per part.
Kennametal’s new KBH10B (45% PcBN content) and KBH20B (60% PcBN) mini-tip: two grades, four shapes, a variety of corner radii, and twice as many cutting edges per insert.
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The mini-tips have four types of insert shapes: one triangular and three rhomboidal. This implies six cutting edges per insert. For continuous turning, a light hone is used, and for heavier and interrupted cuts, two edge preparations in a trumpet style are used. Both are free-cutting and extend tool life and result in surface finishes up to 0.2 Ra. They have a golden PVD coating, owing to which it is easy to identify when an insert needs indexing. Due to the numbered corners, an inadvertent switch to a used edge is not possible. At increased cutting speeds also, extreme wear resistance is possible due to the patented ceramic binder structure and TiN/TiAlN/TiN coating.
For more detail write to bangalore.information@kennametal.com or visit www.kennametal.com