Showing papers in "CIRP Annals in 2015"

TL;DR: In this paper, the authors present the current state of the art regarding the assumed working mechanisms of MWFs including the effects of desired and undesired changes of the MWF properties.

TL;DR: The historical development of prognosis theories and techniques and their future growth enabled by the emerging cloud infrastructure are reviewed and techniques for cloud computing are highlighted.

TL;DR: In this article, the authors investigated diamond scratching at a high speed comparable to that in a grinding process on an ultraprecision grinder and found that an amorphous layer is formed on top of the pristine Si-I phase before the onset of chip formation.

TL;DR: In this article, a framework termed iAtractive is proposed to enable the strengths of additive and subtractive technologies to be combined with the inspection process, based on which a process planning system, Re-Plan has been developed which shows the capabilities of combined process manufacture through a number of case studies.

TL;DR: This keynote paper presents the current state of the art with respect to materials applied in machine tool structures and reviews the correspondent scientific literature to give an overview and insight regarding material selection and exploitation for high performance, high precision and high efficiency machine tools.

TL;DR: In this article, a shape memory nickel-titanium (NiTi)-based porous scaffolds were manufactured with different solid volume fractions using selective laser melting (SLM) and various SLM parameters were selected to affect the mechanical behavior and shape memory response.

TL;DR: The calibration and verification infrastructure to support areal surface texture measurement and characterisation will be reviewed and the concept and current infrastructure for determining the metrological characteristics of instruments will be highlighted.

TL;DR: In this paper, a holistic matching approach to optimize the performance of selective and adaptive assembly systems is presented and its industrial application within an automotive electric drive assembly is demonstrated, where the authors show that the matching approach can be applied to an industrial application of electric drive assemblies.

TL;DR: In this article, the environmental impacts associated with meltless recycling routes based on three different techniques, namely hot extrusion, screw extrusion and spark plasma sintering, are compared with the corresponding remelting route as reference.

TL;DR: In this article, an ontology-based virtual factory, continuously synchronized with the real plant, is proposed to guarantee digital continuity and enable in situ simulation during the operating phase of a factory.

TL;DR: In this article, an interdisciplinary simulation model of the electrochemical machining (ECM) process for aero engine blades is set up and compared to optical measurements of actual manufactured workpieces.

TL;DR: In this article, a mirror-like finishing technique by electrolyte jet machining is described, where the workpiece area where it collides into can be selectively finished to a mirrorlike surface due to high current density at the center of the jet.

TL;DR: In this article, the machine tool's own drives are used to suppress chatter with the help of an external accelerometer located close to the tool centre point, and measured acceleration is fed back as an additional control loop.

TL;DR: In this paper, an enhanced physically based material model that accounts for microstructure evolution induced flow softening due to the inverse Hall-Petch effect below a critical grain size is presented.

TL;DR: In this paper, a noncontact excitation method for evaluating the dynamic stiffness of a rotating spindle is presented, and the spindle response to an excitation force is measured, and frequency response functions (FRFs) are obtained.

TL;DR: In this paper, the relationship between side face and in-contact temperature was investigated for the more certain use of the infra-red thermography method for orthogonal cutting.

TL;DR: In this article, a double frame camera and a pulsed laser were used to measure the displacement fields using the digital image correlation (DIC) technique; strain distributions were then calculated.

TL;DR: In this article, the authors present a method and an Excel and MATLAB-based tool that support IPSO design by employing LCC analysis, both from the provider and customer perspectives.

TL;DR: In this paper, the machining data for a common chalcogenide glass (As40Se60) is presented, which is used to identify parameters for high-speed milling, and results are used to produce a thermal imaging lens.

TL;DR: The results show that the introduced sharing approach controls inventory and resource utilization, but it can cause shifts and fluctuations in performance depending on the information that is exchanged.

TL;DR: In this article, a micro temperature sensor that is integrated on the rake face of a cutting tool is proposed to measure the temperature during machining processes, and the performance of the proposed sensor is evaluated from the obtained thermo-electromotive force and temperature measurements taken at multiple points.

TL;DR: In this paper, a nano-grinding center was developed, which allows to manufacture and apply ultra small micro pencil grinding tools without re-clamping, and the influence of grain size, grain concentration, and process parameters on the material removal mechanisms was investigated during micro grinding of silicon with grinding tool diameters of 40μm and 4μm.

TL;DR: In this paper, the effect of pulsed laser ablation (Yb-fiber) on Ti6Al4V titanium alloy substrates for adhesive bonding was evaluated by means of SEM, XRD and wettability measurements.

TL;DR: In this article, a plasma assisted polishing (PAP) was used to flatten a GaN surface with a Sq roughness of 0.1 nm using a CeO2 grindstone for surface flattening.

TL;DR: A system which computes the positions of the parts of the body from input depth images and assesses ergonomics scores and is able to provide ergonomic feedback within a few seconds by parallel processing on graphics hardware (GPU).

TL;DR: In this paper, the influence of nozzle jet flushing on wire breakage was experimentally investigated with varying the machined kerf length and machining conditions, and the flow fields and debris residence time in the kerf, hydrodynamic stress distributions acting on the wire, and wire deflections were numerically analyzed.

TL;DR: In this paper, the shape adaptive grinding (SAG) process is investigated by studying how the size and shape of the pellet bonded abrasives evolve over time, measuring grinding forces for various process parameters, and comparing the equivalent chip thickness and specific energy with the observed grinding modes.

TL;DR: In this article, a Sintered diamond was used as a hybrid tool for micro-scale electrical discharge machining (EDM) and grinding of single-crystal SiC to achieve both high efficiency and surface integrity.

TL;DR: In this article, a mathematical model of the bowl type vibratory finishing machine is proposed to analyze the dynamic behavior of the mechanical excitation system considering both free and forced vibrations, the influence of key parameters identified by the proposed model and their impact on machine performance is discussed.