Какие типы материалов заготовок лучше всего подходят для обработки пластинами CBN?
Вставки из кубического нитрида бора (CBN) are known for their excellent performance in machining hard materials. CBN is a synthetic material that has hardness and abrasion resistance second only to diamond. Therefore, Вставки CBN are best suited for machining materials that are challenging to cut with traditional carbide inserts due to their hardness and abrasiveness. Some of the materials that are well-suited for machining with Вставки CBN включать:
Закаленные стали: Вставки CBN are commonly used for machining hardened steels with a hardness level of 45 HRC (Rockwell C) and higher. This includes tool steels, die steels, and other high-strength steel alloys. They can provide high material removal rates and extended tool life in these applications.
Чугун: Вставки CBN are effective for machining cast iron materials, including gray cast iron and ductile iron. They offer superior wear resistance and can maintain consistent cutting performance in cast iron applications.
Жаропрочные сплавы: Вставки CBN are suitable for machining high-temperature alloys, such as Inconel, Hastelloy, and other nickel-based and heat-resistant alloys. These materials are known for their high hardness and toughness, making Вставки CBN a preferred choice for cutting them efficiently.
Твердые и хрупкие материалы: Вставки CBN are ideal for machining hard and brittle materials, including ceramics and sintered carbides. They can provide precise machining with minimal tool wear in these applications.
Powder Metallurgy Components: Вставки CBN are commonly used for machining components made from powder metallurgy processes, including hardmetal (cemented carbide) parts. These materials can be challenging to machine with traditional tooling due to their high hardness, but Вставки CBN excel in this regard.
Сверхабразивные материалы: Вставки CBN are suitable for machining materials that are considered superabrasive, such as composite materials with abrasive additives. CBN's wear resistance makes it an excellent choice for cutting through these types of materials.
Закаленная подшипниковая сталь: Вставки CBN are often employed in the manufacturing of precision bearings, where hard materials like bearing steel require machining to tight tolerances.
It's important to note that while Вставки CBN Обеспечивают превосходную производительность при обработке этих материалов, надлежащие условия резания, наладку инструмента и стратегии подачи СОЖ необходимы для максимизации их эффективности и стойкости инструмента. Кроме того, конкретный сплав и геометрия пластины CBN должны быть выбраны в зависимости от обрабатываемого материала и параметров процесса обработки.
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