Rake ≈ Rake
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Low Complexity Iterative Rake Decision Feedback Equalizer for Zero-Padded OTFS Systems Open
This paper presents a linear complexity iterative rake detector for the recently proposed orthogonal time frequency space (OTFS) modulation scheme. The basic idea is to extract and coherently combine the received multipath components of th…
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YAKE! Collection-Independent Automatic Keyword Extractor Open
In this paper, we present YAKE!, a novel feature-based system for multi-lingual keyword extraction from single documents, which supports texts of different sizes, domains or languages. Unlike most systems, YAKE! does not rely on dictionari…
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A Text Feature Based Automatic Keyword Extraction Method for Single Documents Open
In this work, we propose a lightweight approach for keyword extraction and ranking based on an unsupervised methodology to select the most important keywords of a single document. To understand the merits of our proposal, we compare it aga…
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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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Frictional and structural controls of seismic super-cycles at the Japan trench Open
The diverse mechanical behaviors of subduction zones during the seismic cycle emerge from the nonlinear dynamics of a complex mechanical system with interacting brittle and ductile deformation. The 2011 Tohoku mega-quake represents the cul…
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Novel sustainable cryo-lubrication strategies for reducing tool wear during ultrasonic-assisted turning of Inconel 718 Open
This paper deals with the concerns of industrial demand for enhancing the machinability of Inconel 718. In this regard, sustainable cooling strategies, i.e., minimum quantity lubrication (MQL), electrostatic minimum quantity lubrication (E…
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Chip Formation Zone Analysis During the Turning of Austenitic Stainless Steel 316L under MQCL Cooling Condition Open
The paper presents the influence of the cutting zone cooling method on selected indices of the chip formation zone and on the chip shape. In the process of turning 316L austenitic steel three cooling methods have been considered: dry machi…
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Effects of high-pressure cooling in the flank and rake faces of WC tool on the tool wear mechanism and process conditions in turning of alloy 718 Open
The exceptional properties of Heat Resistant Super Alloys (HRSA) justify the search for advanced technologies that can improve the capability of machining these materials. One such advanced technology is the application of a coolant at hig…
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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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A Flexible Keyphrase Extraction Technique for Academic Literature Open
A keyphrase extraction technique endeavors to extract quality keyphrases from a given document, which provide a high-level summary of that document. Except statistical keyphrase extraction approaches, all other approaches are either domain…
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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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Raking the Cocktail Party Open
We present the concept of an acoustic rake receiver—a microphone beamformer that uses echoes to improve the noise and interference suppression. The rake idea is well-known in wireless communications; it involves constructively combining di…
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Development of novel cutting tools with dimple textured surfaces for dry machining of aluminum alloys Open
Dry machining of aluminum alloys is one of the most challenging machining operations because these materials severely adhere to the tool surface without the use of cutting fluids, leading to deterioration of the surface integrity of the wo…
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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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A Numerical-Experimental Study on Orthogonal Cutting of AISI 1045 Steel and Ti6Al4V Alloy: SPH and FEM Modeling with Newly Identified Friction Coefficients Open
Numerical simulation of metal cutting with rigorous experimental validation is a profitable approach that facilitates process optimization and better productivity. In this work, we apply the Smoothed Particle Hydrodynamics (SPH) and Finite…
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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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Evaluation of tool wear and cutting performance considering effects of dynamic nodes movement based on FEM simulation Open
An accurate estimation of tool wear morphology can provide the opportunity to investigate the influence of tool wear on cutting performance as well as reduce the overall production cost. However, tool wear prediction is still a very challe…
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Experimental Study and Modeling of Steady State Temperature Distributions in Coated Cemented Carbide Tools in Turning Open
Plastic deformation of the tool is one of the most important wear modes in metal cutting, especially in continuous cutting operations. Since the strength of the tool material depends strongly on the temperature, a correct temperature distr…
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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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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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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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Tool Rake Face Temperature Distribution When Machining Ti6Al4V and Inconel 718 Open
Procedia Manufacturing is an open access journal focusing entirely on publishing high quality conference proceedings. Procedia Manufacturing enables fast dissemination of its content so that conference delegates can publish their papers in…
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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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Evaluating the effectiveness of the novel surface textured tools in enhancing the machinability of titanium alloy (Ti6Al4V) Open
The effectiveness of the novel micro textured tools developed as an attempt to improve the machinability of Ti6Al4V material is studied. Different types of textures were developed on the rake face of the tools and subsequently coated with …
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Research and Optimization of Surface Roughness in Milling of SLM Semi-Finished Parts Manufactured by Using the Different Laser Scanning Speed Open
The paper studies the potential to improve the surface roughness in parts manufactured in the Selective Laser Melting (SLM) process by using additional milling. The studied process was machining of samples made of the AlSi10Mg alloy powder…