Journal ArticleDOI
PCBN tool wear modes and mechanisms in finish hard turning
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TLDR
The primary wear modes of PCBN cutting tools are identified and the many theories proposed to explain the mechanisms contributing to PCBN tool wear and failure are discussed.Abstract:
The use of polycrystalline cubic boron nitride (PCBN) cutting tools in hard turning applications is continuously growing with the number of commercially available grades increasing, allowing new application areas to be explored. In order to take full advantage of the benefits offered by PCBN it is necessary to understand the behaviour of the material in application. Tool behaviour is influenced by many factors which include the composition of the PCBN material, the steel workpiece, the nature of the cutting operation, the cutting conditions and the tool geometry.
The focus of this paper is the continuous turning of hardened steels. A significant amount of research has been carried out in this area and a literature review of the relevant work is presented. This identifies the primary wear modes and discusses the many theories proposed to explain the mechanisms contributing to PCBN tool wear and failure. The final section of the paper considers the critical factors that influence the behaviour of PCBN tools in continuous hard turning and how this knowledge can be applied to optimise tool performance.read more
Citations
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Journal ArticleDOI
Statistical analysis of surface roughness and cutting forces using response surface methodology in hard turning of AISI 52100 bearing steel with CBN tool
TL;DR: In this paper, the relationship between cutting parameters (cutting speed, feed rate and depth of cut) and machining output variables (surface roughness, cutting forces) through the response surface methodology (RSM) is analyzed and modeled.
Journal ArticleDOI
State of the art in hard turning
TL;DR: In this article, the authors present an effort to review some of these works and to understand the key issues related to process performance, including the type of tool material, cutting edge geometry and cutting parameters.
Journal ArticleDOI
Hard machining of hardened bearing steel using cubic boron nitride tool
Mohamed Athmane Yallese,Kamel Chaoui,Nassereddine Zeghib,Lakhdar Boulanouar,Jean-François Rigal +4 more
TL;DR: In this article, the performance of a CBN tool during hard turning of 100Cr6-tempered steel was investigated using a series of long-duration wear tests to elucidate the cutting speed effects on the various tool wear forms.
Journal ArticleDOI
Tool wear characterizations in finish turning of AISI 1045 carbon steel for MQCL conditions
Radoslaw W. Maruda,Grzegorz Królczyk,Eugene Feldshtein,Piotr Niesłony,Bożena Tyliszczak,Franci Pušavec +5 more
TL;DR: In this paper, an analysis of tool wear of P25 cemented carbide inserts in finish turning of AISI 1045 carbon steel for different cooling conditions: dry cutting, minimum quantity cooling-lubrication (MQCL) and MQCL with phosphate ester-based EP/AW additive is presented.
Journal ArticleDOI
Tool wear, chip formation and workpiece surface issues in CBN hard turning: A review
TL;DR: A survey of the recent research progress in hard turning with CBN tools in regard of tool wear, surface issues and chip formation is presented in this paper, where a significant pool of CBN turning studies has been surveyed in an attempt to achieve better understanding of tool wears, chip formation, surface finish, white layer formation, micro-hardness variation and residual stress on the basis of varying CBN content, binder, tool edge geometry, cooling methods and cutting parameters.
References
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Journal ArticleDOI
Advancing Cutting Technology
TL;DR: A review of the main developments in cutting technology since the foundation of CIRP over fifty years ago is given in this paper, where the main technological developments associated with the cutting tool and tool materials, the workpiece material, the machine tool, the process conditions and the manufacturing environment are given detailed consideration.
Journal ArticleDOI
Cutting of Hardened Steel
TL;DR: In this article, an overview of the mechanisms of chip removal in hard cutting and the thermo-mechanical influence of the work area is presented. But the workpiece quality and economic efficiency of hard cutting processes in comparison with grinding are discussed.
Journal ArticleDOI
Effect of cutting edge geometry and workpiece hardness on surface generation in the finish hard turning of AISI 52100 steel
TL;DR: In this paper, the effect of tool cutting edge geometry and workpiece hardness on the surface roughness and cutting forces in the finish hard turning of AISI 52100 steel was investigated.
Journal ArticleDOI
Capability Profile of Hard Cutting and Grinding Processes
TL;DR: In this paper, a comparison of hard cutting and grinding operations is carried out with regard to certain evaluation criteria based on the functionality of the machined workpiece itself, discussed at different levels, and the process economical efficiency.
Journal ArticleDOI
On Chip Morphology, Tool Wear and Cutting Mechanics in Finish Hard Turning
TL;DR: In this paper, the authors show that tool wear rates are affected by interactions between the work material and the binder phase of the CBN tool, and that chip segmentation spacing is a function of depth of cut, rake angle and surface speed, approaching a limiting value with speed.