Rake angle
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Numerical and experimental investigation of tool geometry effect on residual stresses in orthogonal machining of Inconel 718 Open
Residual stress has become more important than ever with the increasing performance requirement of components especially for those applied in safety-critical areas. As the machining process is fundamentally correlated with the acquired com…
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Optimization of machining parameters of aluminum alloy 6026-T9 under MQL-assisted turning process Open
The lower lead time and increasing demand for good quality parts require the industries to produce the parts manufactured sustainably with higher precision, improved productivity, and low cost using new techniques. Minimum quantity lubrica…
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Investigation of Influence of MQL Machining Parameters on Cutting Forces During MQL Turning of Carbon Steel St52-3 Open
Basic information concerning a Minimum Quantity Lubrication (MQL) machining is presented in the paper. Generally speaking, there are two groups of MQL machining with respect of aerosol composition classification. First group represents the…
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Effect of Machining Parameters and Machining Time on Surface Roughness in Dry Turning Process Open
The most important measures of surface quality during the machining process is the average surface roughness (Ra), and it is mostly caused by many machining parameters, such as true rake angle and side cutting edge angle, cutting speed, fe…
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Enhancing the machining performance by cutting tool surface modifications: a focused review Open
© 2019, © 2019 Taylor & Francis Group, LLC. In machining, cutting tools suffer from severe surface wear, especially in the cutting of difficult-to-cut materials. A major cause of tool wear is the friction generated at the tool-work and too…
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<i>In situ</i> analysis of flow dynamics and deformation fields in cutting and sliding of metals Open
The flow dynamics, deformation fields and chip-particle formation in cutting and sliding of metals are analysed, in situ , using high-speed imaging and particle image velocimetry. The model system is a brass workpiece loaded against a wedg…
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Study on the Cutting Performance of Micro Textured Tools on Cutting Ti-6Al-4V Titanium Alloy Open
Titanium alloys are widely used in various fields, but their machinability is poor because the chip would easily adhere to the tool surface during cutting, causing poor surface quality and tool wear. To improve the cutting performance of t…
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Investigation of influence of tool rake angle in single point diamond turning of silicon Open
This paper presents an investigation of the effect of tool rake angle in single point diamond turning (SPDT) of silicon using experimental and simulation methods. Machining trials under the same cutting conditions were carried out using th…
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High Speed Machining of Inconel 718 Focusing on Tool Surface Topography of CBN Tool Open
Nickel-based superalloys such as Inconel 718 provide several advantages, including a high-temperature strength and high corrosion resistance. Therefore the demand for such materials has rapidly increased, particularly in the aviation and g…
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Investigation on residual stress evolution in nickel-based alloy affected by multiple cutting operations Open
Machining-induced residual stresses in a part can significantly influence its performance and service time. It is common that the final surface of the part is produced after multiple cuts in the machining process. In multiple cuts, the pre…
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Measurement of Micro Burr and Slot Widths through Image Processing: Comparison of Manual and Automated Measurements in Micro-Milling Open
In this study, the burr and slot widths formed after the micro-milling process of Inconel 718 alloy were investigated using a rapid and accurate image processing method. The measurements were obtained using a user-defined subroutine for im…
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3D Numerical Simulation of Rock Cutting of an Innovative Non-Planar Face PDC Cutter and Experimental Verification Open
The low rock breaking efficiency of conventional polycrystalline diamond compact (PDC) bits in hard abrasive formations prompts the development of PDC cutting elements from the planar structure to the non-planar structure. As an innovative…
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Optimization of Machining Parameters in Turning of AISI 4340 Steel under Cryogenic Condition using Taguchi Technique Open
This experimental research on cryogenic turning process involves the modelling and optimization of the process parameters affecting the machining performance and value oriented sustainable manufacturing. In the present work, the machining …
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Side Flow Effect on Surface Generation in Nano Cutting Open
The side flow of material in nano cutting is one of the most important factors that deteriorate the machined surface quality. The effects of the crystallographic orientation, feed, and the cutting tool geometry, including tool edge radius,…
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Effect of Rake Angle on Strain Field During Orthogonal Cutting of Hardened Steel with c-BN Tools Open
In the case of hard machining of steels, negative rake tools generate compressive deformation and high temperature under the cutting edge, leading to phase transformation or ”white layers”. The resulting surface integrity can be predicted …
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Inverse Determination of Constitutive Equations and Cutting Force Modelling for Complex Tools Using Oxley's Predictive Machining Theory Open
In analysis of machining processes, finite element analysis is widely used to predict forces, stress distributions, temperatures and chip formation. However, constitutive models are not always available and simulation of cutting processes …
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Molecular dynamics simulation of the tool geometry effect on nanowire formation behavior during nanoskiving Open
Au nanowires have been promoted in flexible electronics, micro-nano bioelectrodes, and micro-electrochemical detection benefit from their inherent size effect, unique chemical stability, and biocompatibility. Nanoskiving methodology has be…
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Study on the atomic removal behavior and damage formation mechanism of nano cutting copper–nickel alloy with diamond tool Open
The effects of tool rake angle and cutting depth on cutting temperature, cutting force, friction coefficient of rake tool face, atomic accumulation of chip flow and removal, surface quality, sub-surface damage layer thickness, atomic stres…
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WEAR BEHAVIOR OF DRILL BITS IN WOOD DRILLING RESISTANCE MEASUREMENTS Open
The objectives of this study were to investigate the wear behavior of drill bits in wood drilling resistance measurements and to understand how the blunting of the cutting edges may affect the cutting forces and ultimately the measurement …
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Numerical Modelling of Cutting Forces in Gear Skiving Open
Gear skiving is a high-performance machining process for gear manufacturing. Due to its complex kinematics, the local cutting conditions vary during tool engagement. Particularly, the local rake angle can reach highly negative values, whic…
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Investigation on Cutting Performance of Micro-Textured Cutting Tools Open
This paper explores the influence of micro textures on cutting performance of polycrystalline cubic boron nitride (PCBN) tools from two aspects, that is, tool wear and machined surface roughness. By designing micro-hole textures with diffe…
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Investigation of Technological Parameters for Machining Toroidal Section of Solid Ceramic End Mills Open
Solid ceramic mills are a promising technological solution for cutting heat-resistant materials. Although nanostructured cutting ceramics has a number of valuable physical and mechanical properties providing high operational performance of…
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Machinability analysis of Ti-6Al-4V under cryogenic condition Open
Aerospace alloys are termed as hard to cut materials owing to their low thermal conductivity, high temperature strength and elevated chemical reactivity. Cryogenic conditions can be effectively deployed to improve the machinability and pro…
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Effects of surface texture parameters of cutting tools on friction conditions at tool-chip interface during dry machining of AISI 1045 steel Open
Dry machining is one of the essential steps towards achieving sustainable manufacturing processes. Sustainable dry machining can be further enhanced by using surface textured cutting tools where the micro-capillary networks on cutting tool…
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Modelling and Optimization of Machining of Ti-6Al-4V Titanium Alloy Using Machine Learning and Design of Experiments Methods Open
Ti-6Al-4V titanium is considered a difficult-to-cut material used in critical applications in the aerospace industry requiring high reliability levels. An appropriate selection of cutting conditions can improve the machinability of this al…
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Study on the Interaction between Soil and the Five-Claw Combination of a Mole Using the Discrete Element Method Open
A mole is a born digger spending its entire existence digging tunnels. The five claws of a mole’s hand are combinative to cut soil powerfully and efficiently. However, little was known in detail about the interaction between the soil and t…
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Development and implementation of crater and flank tool wear model for hard turning simulations Open
This paper concerns the tool wear in hard turning of AISI 52100 hardened steel by means of PCBN tools. The purposes of this work are the development of a tool wear model and its implementation in a FEM-based procedure for predicting crater…
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Determination of the Tool–Chip Contact Length for the Cutting Processes Open
The thermomechanical interaction of the tool with the chip in the most loaded secondary cutting zone depends on the contact length of the tool rake face with the chip. Experimental studies of the dependency of the contact length on the cut…
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Study of Cutting Power and Power Efficiency during Straight-Tooth Cylindrical Milling Process of Particle Boards Open
The cutting power consumption of milling has direct influence on the economic benefits of manufacturing particle boards. The influence of the milling parameters on the cutting power were investigated in this study. Experiments and data ana…
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Investigation of the Influence of Tool Rake Angles on Machining of Inconel 718 Open
It is essential for superalloys (e.g., Inconel 718) to obtain an anticipated surface integrity after machining, especially for safety critical areas (e.g., aerospace). As one of the main characteristics for cutting tools, the rake angle ha…