Results 171 to 180 of about 2,658 (198)
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Cutting Edge Preparation of PCBN Inserts
Advanced Materials Research, 2013In order to increase tool life and workpiece surface quality, cutting processes with geometrically defined cutting edges demand inserts with a targeted prepared edge. For example, chamfers are largely used in many processes to provide edge strengthening without damaging the chip flow. In order to achieve a stable and reliable cutting process, small and
Berend Denkena +2 more
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High-Reliability Cutting with New PCBN Tools4
SAE Technical Paper Series, 1999<div class="section abstract"><div class="htmlview paragraph">(PCBN)Polycrystalline cubic boron nitride cutting tools have been widely used for hard turning of cutting ferrous materials such as hardened steels. In high-speed interrupted cutting, however, despite their high potential to increase productivity, they have not been ...
Satoru Kukino +3 more
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Promising Types of Coatings for PCBN Tools
Journal of Superhard Materials, 2018The paper reviews the present-day trends in the development of new types of wear-resistant coatings, including nanostructured ones, for PCBN tools. The main currently pursued approaches to creation of high-hardness nanostructured coatings are discussed.
A. S. Manokhin +3 more
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Hard Turning with PCBN Tooling
1999Material removal, at economic rates, from hardened workpieces has always presented a challenge and, until quite recently, abrasive machining processes were the only option for hard-facings. However, cutting tools based on polycrystalline cubic boron nitride (PCBN) have opened up the possibility of turning and milling as attractive alternatives for ...
E. J. Brookes, R. D. James, X. Ren
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Numerical Investigation into Dynamic Fracture of PCBN
Key Engineering Materials, 2011Polycrystalline Cubic Boron Nitride (PCBN) is a super-hard material, which is used in some of the most demanding material removal operations today. PCBN cutting tools are employed in turning of hardened steels as well as machining of other abrasive and aerospace grade alloys. In these applications the tools are subjected to high operating temperatures,
Declan Carolan +2 more
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The Mechanisms of PCBN Tools in Turning GH4169
Advanced Materials Research, 2012This paper researched experiment results and analysis of PCBN insert turning nickel-based HSTR GH 4169. According to the curves and pictures, discuss the relationship of cutting parameters (cutting speed, feed and cutting depth) and some indexes (cutting force, cutting temperature and surface roughness).
Wei Ji +4 more
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Wear mechanisms of PVD-coated PCBN cutting tools
Wear, 2013Abstract The wear characteristics of PVD coated (TiN, TiSiN, TiAlN, and AlCrN) polycrystalline cubic boron nitride (PCBN) cutting tools were compared to those of uncoated PCBN during single point turning of case hardened steel 16MnCr5. Post-cutting observations of the worn inserts were performed using high resolution field emission gun scanning ...
R. M’Saoubi +2 more
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Self-Sharpening Abrasive Composite Bulks with PCBN Grains
Key Engineering Materials, 2011Abrasive composite bulks consisting of polycrystalline cubic boron nitride (PCBN) grains, Cu-Sn-Ti alloy and graphite particles were sintered at the heating temperature of 920 °C for the dwell time of 30 min. The bending strength of abrasive composite bulks was measured. The interfacial microstructure and the phases were characterized. In addition, the
B. Zhang +4 more
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Performance Investigation for Precision Mold Turning by PCBN Tool
Advanced Materials Research, 2009In order to ascertain the superior characteristics of PCBN tool for hardened material machining, to promote the cutting performance and efficiency of a mold manufacturing, to investigate the wear mechanism of the cutting tool, and to investigate the dimensional accuracy and surface finish of the machined molds, SKD11 die steel and the polycrystalline ...
Shen Yung Lin +3 more
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