Showing papers in "CIRP Annals in 2005"

TL;DR: Asymmetric Incremental Sheet Forming has the potential to revolutionize sheet metal forming, making it accessible to all levels of manufacturing as discussed by the authors, and has been shown to be a state-of-the-art in sheet metal manufacturing.

TL;DR: In this paper, the authors show the prospects of electrical discharge machining (EDM) technology by interrelating recent achievements in fundamental studies on EDM with newly developed advanced application technologies.

TL;DR: In this article, the authors present the current state of virtual machine tool technology and related ongoing research challenges, and present both the summary of current and past research, as well as research challenges in order to realize a fully digitized model of the machine tool.

TL;DR: In this article, the authors reviewed the current state of Life Cycle Assessment (LCA) introducing the central elements of the methodology and the latest developments in assessment of the environmental, economic and social impacts along the product chain.

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.

TL;DR: In this paper, a warm and hot stamping process of ultra high tensile strength steel sheets using resistance heating was developed to improve springback and formability of the ultra sheet.

TL;DR: In this paper, the authors review the historical evolution of and modern developments in manufacturing performance measurement within a systems framework based on five metrics and five levels from single workstation to the entire manufacturing network.

TL;DR: The design of a holonic manufacturing execution system is an instantiation of the PROSA reference architecture augmented with coordination and control mechanisms inspired by natural systems – i.e. food foraging behavior in ant colonies.

TL;DR: In this article, a single tracking interferometer is used for the mapping of geometric errors of machine tools and coordinate measuring machines by using displacement measurements between reference points that are fixed to the base and offset points fixed to a machine head.

TL;DR: In this paper, the authors define complexity as the measure of uncertainty in achieving the functional requirements (FRs) of a system within their specified design range, which leads to the existence of four different types of complexity: time-independent real complexity, timeindependent imaginary complexity, and time-dependent combinatorial complexity.

TL;DR: In this paper, a disk-type electrode was introduced to prevent taper, and multiple electrodes were applied and multiple structures were machined simultaneously to improve productivity, since the wear of tool electrode is negligible in ECM, micro wire can be used as tool electrode.

TL;DR: A wide variety of instruments that are used for measuring surface topography using optical techniques are presented, ranging from systems that are over a century old to recently-developed instrumentation that has broad new capability.

TL;DR: In this paper, an integrated digital model of spindle, tool holder, tool and cutting process is presented using an in-house developed Finite Element system, where the bearing stiffness, mode shapes, frequency response function at any point on the spindle can be predicted.

TL;DR: In this article, a new complexity coding system is introduced to classify and code the machines, buffers and material handling equipment in manufacturing systems, and a Code-based Structural Complexity Index is proposed to capture the amount and variety of information related to these components.

TL;DR: In this article, the machinabilty of a range of gamma titanium aluminide (γ-TiAl) intermetallic alloys when turning, grinding, HSM, drilling, EDM and ECM was investigated.

TL;DR: In this paper, the role of metrology in production and how metrology can be used to generate value is analyzed and recipes to evaluate and maximize the benefit of using metrology investment.

TL;DR: In this article, 2D and 3D finite element models for hard roller burnishing were established and the simulation results (i.e. surface deformation and residual stress) were evaluated and compared between initial hard turned and burnished surfaces.

TL;DR: In this article, a tool servo with a stroke of 30 |im is described, which achieves 23 kHz closed-loop bandwidth, as low as 1.7 nm RMS error, 500 G peak acceleration at 10 kHz open-loop operation, and 2.1 nm (0.04%) error in tracking a 3 kHz sinusoid of 16 |im p-v.

TL;DR: In this paper, a method is proposed to determine the optimal combination of depths of cut, so that chatter free material removal rate is maximized, where significant reduction in the machining time is obtained using the optimal depths.

TL;DR: In this paper, a 3 DOF ultrasonic vibration tool is developed, which can generate an arbitrary ultrasonic elliptical vibration in the 3D space so that it is suitable to machine 3D sculptured surfaces.

TL;DR: In this paper, the impact of PcBN tool edge geometry is investigated based on a modelling as well as an experimental approach, by means of a 3D simulation of the tool engagement based on the Finite Element Method.

TL;DR: The authors have proposed a prototype system of Service CAD called ‘Service Explorer’, a computer-aided design system for service that provides a set of new candidates of services.

TL;DR: In this article, a measuring device is introduced that allows fast testing and calibration of machine tools, robots and coordinate measuring machines with three linear movements with a measurement uncertainty of less than 5 urn.

TL;DR: In this paper, the springback of high-strength steel after hot and warm sheet formings is investigated, and the effect of forming temperature on the amount of springback is evaluated.

TL;DR: In this paper, an analytical model for the prediction of tool flank wear progression during bar turning of particulate reinforced metal matrix composites is presented, based on a methodology for analytically predicting the wear progression as function of tool/workpiece properties and cutting parameters.

TL;DR: In this paper, a low melting temperature alloy was used in the support structure to fulfill the required functions with simple structure, which can support thin and compliant workpieces securely and minimize the deformation due to the machining force.

TL;DR: In this paper, an approximate analytical method based on decomposition techniques for modelling and evaluating the performance of production systems involving split and merge of production flows, multiple products, buffers with finite capacity and manufacturing/assembly/disassembly operations is proposed.

TL;DR: In this paper, a system based on digital 3D image analysis has been developed, which supervises the common working area of robot and man, especially for complex assembly and handling tasks, and this combination is useful.

TL;DR: In this article, the authors investigated two different modelling approaches regarding their abilities to describe an exemplary scenario -an autonomously controlled shop floor -and compared them to a continuous system dynamics model.

TL;DR: In this article, the influence of residual stress and material micro-structure on the limits of the minimum machinable diameter of micro rods obtained by micro EDM was investigated.