Influence of Machining Parameters on Surface Topography of Cubic Boron Nitride at Rotary Ultrasonic Machining

Abstract:

Poly-crystalline cubic boron nitride (PCBN) is one of the hardest known material. Therefore only advanced methods are able to treat such material. Advanced machining methods, proper for machining of hard and brittle materials (such as glass and ceramics) include rotary ultrasonic machining (RUM). This method should achieve high precision and low surface roughness (at least during machining of materials such as ceramics). Achievable roughness is affected by machined material and machining parameters. This contribution investigates influence of machining parameters, such as cutting speed and feed rate, on resultant surface roughness during machining of PCBN by rotary ultrasonic machining.

• Periodical: Key Engineering Materials (Volume 686)
• Pages: 180-185
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.686.180
• Online since: February 2016
• Authors: Marcel Kuruc*, Martin Kusý, Vladimír Šimna, Jozef Peterka
• Keywords: Polycrystalline Cubic Boron Nitride, Rotary Ultrasonic Machining, Surface Topography

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