Showing papers in "CIRP Annals in 2001"

TL;DR: In this paper, the prerequisites for the micro-cutting of steel using tungsten carbide tools and the interaction between the properties of the materials and the process parameters on the manufacturing result are identified.

TL;DR: The design and manufacturing of dies and molds represent a significant link in the entire production chain because nearly all mass produced discrete parts are formed using production processes that employ dies and mold as mentioned in this paper.

TL;DR: In this article, the origin of chatter that is particularly due to regenerative effects during inner and outer diameter as well as surface grinding is explained, and the possibilities related to process monitoring for the detection of chatter during grinding are presented.

TL;DR: Techniques developed to model and estimate task specific uncertainty for coordinate measuring systems, primarily coordinate measuring machines using contacting probes are surveyed.

TL;DR: A review of modelling and simulation of electroforming and experimental analysis work is also presented in this article, where the authors describe the process principles and mechanisms of the electroforming, outlining its advantages and limitations.

TL;DR: This paper offers a concise overview of new manufacturing methodologies that are based on emergent synthesis by reviewing about 300 papers according to the problem classification and in terms of three phases of concept formation, theory and application.

TL;DR: In this paper, the chip formation of Ti6Al4V was described in the cutting speed range between 300 m/min and 6000m/min, where the specific cutting forces were measured.

TL;DR: In this paper, a generalized mathematical model of most helical end mills and inserted cutters used in industry is presented, and the chip thickness at each cutting point is evaluated by using the true kinematics of milling including the structural vibrations of both cutter and workpiece.

TL;DR: In this article, a thermal model is presented for deep grinding with particular relevance to the HEDG process, which is defined as deep grinding at high workspeeds and very high removal rates.

TL;DR: In this article, three advances toward the rapid identification of the tool point frequency response and corresponding stable cutting parameters are described: 1) stable speeds determination using noncontact periodic impulsive excitation of tool point (produced by spindle rotation and a stationary magnet) in conjunction with once-per-revolution sampling, 2) Receptance Coupling Substructure Analysis for the analytic prediction of the Tool Point response, and 3) once per-revolution sample of the audio signal during cutting to determine stability behavior.

TL;DR: In this paper, a new product modularization strategy is proposed across a family of products and successive generation of products, based on product functionality, product commonality and life cycle similarity.

TL;DR: In this paper, a tactile probing system for dimensional measurement of small structures is presented, which combines optical and mechanical techniques and allows probing elements below 50 μm to be realized, and the measurement uncertainties achievable are in the sub-micron order.

TL;DR: In this paper, the temperature on the flank face of a cutting tool in high speed milling is measured using a two-color pyrometer with a chalcogenide optical fiber.

TL;DR: In this article, the development of a new dry wire electrical discharge machining (dry-WEDM) method was described, which is conducted in a gas atmosphere without using dielectric liquid to improve the accuracy of finish cutting.

TL;DR: In this paper, a small 3D probe system was developed based on sensing the bending of elastic hinges carrying the probe stylus, and the stylus platform and elastic hinges were etched in silicon.

TL;DR: The objective of this article is to introduce these laws of evolution logic's and to propose an operative application framework in order to analyse their impact in the design process.

TL;DR: In this paper, the problem of determining the disassembly level and the corresponding disassembly sequence for a product at its end-of-life with the objective of maximizing the overall profit is addressed.

TL;DR: In this article, the relationship between chip formation and cutting forces was examined, and it was shown that precipitation hardening is the key in changing from continuous to segmented chip formation, not only the cutting parameters.

TL;DR: In this article, a material constitutive law including work hardening, thermal softening, and strain-rate sensitivity has been looked for for turning of hardened alloy steels (up to HV800).

TL;DR: In this article, an innovative grit mapping technique is introduced based on these new concepts and some examples of application that include information about the topographic characteristics of a grinding wheel and its transformation during grinding are presented.

TL;DR: In this article, a hybrid technology that combines EDM and ECM, called ECDM, is proposed for trueing and dressing of metal-bonded diamond tools for cutting materials (Cermets, ceramics, PCD).

TL;DR: In this article, the possibility of influencing the friction in metal forming processes by superimposing ultrasonic waves was discussed in general, and it can be shown by experimental investigations that it is possible to reduce the friction forces and to improve the surface quality of formed parts.

TL;DR: In this paper, the authors revisited solutions proposed in the literature and investigated some new approaches to identify the mechanisms responsible for chemical and abrasive wear and quantify tool wear in well defined cutting experiments.

TL;DR: In this article, the authors present new rationalization potentials due to technological changes in products and assembly processes and propose new concepts for flexible automation and alternative strategies for employee-oriented assembly.

TL;DR: In this article, a new model is developed to analyze motion accuracy of hydrostatic feed tables and an algorithm is proposed to improve their accuracy by lapping the rail surfaces so as to eliminate the estimated profile error.

TL;DR: In this article, the authors deal with the product models able to support the views of life cycle engineers to consider those engineers as design actors in a whole product development cycle, based on the capitalisation and analysis of quality discrepancies happening in product life cycle.

TL;DR: In this paper, a line-less production system based on the concept of biological manufacturing systems (BMS) is proposed to deal with complexity in manufacturing using the ideas of self-organization, evolution and learning.

TL;DR: In this paper, process maps for various materials, such as nickel and cobalt alloys, and titanium, were established, for different parameter sets, including average power, scan velocity, and repetition rate.

TL;DR: In this paper, the authors report on the design, modeling, implementation, and experimental results for the control of their Sub-Atomic Measuring Machine (SAMM), which has been jointly developed by UNC-Charlotte and MIT.

TL;DR: In this paper, a block-oriented framework for modeling and optimisation of process chains is introduced and its applicability is shown by the results of the optimization of cutting processes, and the benefits of substituting the timeconsuming simulation by ANN models are also outlined.