نتایج جستجو برای: cirp
تعداد نتایج: 202 فیلتر نتایج به سال:
This paperpresentsexperimental investigationsandfinite element simulationsonmicro-millingofTi–6Al– 4V alloy with fine grain uncoated and cBN coated micro-end mills. Micro-milling of Ti–6Al–4V using uncoated and cBN coated tungsten carbide micro-end mills are conducted; surface roughness, burr formation and tool wear are measured. Effects of machining parameters on surface roughness, burr format...
Steps and grooves, which have typical directional characteristic, are two main functional structures of MEMS (MicroElectro-Mechanical Systems). This paper proposes a method for analysis and evaluation of MEMS steps and grooves based on finite radon transform (FRAT) and lifting wavelet. The method consists of three steps. Firstly, FRAT is adopted to detect the directional characteristic of a MEM...
The design of a manufacturing systems is a complex and critical activity entailing decisions with an impact on a long time horizon and a major commitment of financial resources. Indeed, the modelling, simulation and evaluation of manufacturing systems are relevant activities both in the design and the operational phases of a factory. This paper grounds on the results of the Virtual Factory Fram...
The objective is to analyze how proposed Integrated Product Service Offering (IPSO) actors and system maps can be utilized in order to identify and access IPSO-related requirements. Furthermore, the objective is to identify and analyze how IPSO-related requirements are managed and transformed into product-related design aspects. Literature review, interviews and workshops were the primary resea...
National data show a continuing decline in the willingness of people to respond to surveys. This trend is troubling given the central role that survey research plays in collecting data for institutional research purposes. This paper examines the effectiveness of a weighting procedure described by Astin and Molm for adjusting survey results to correct for nonresponse bias. Using data from a Coop...
Cryogenic machining is considered as the most sustainable alternative to conventional flood-cooled, near-dry and dry machining approaches in machining processes. This paper presents the application of a sustainability evaluation methodology for manufacturing processes, focusing on cryogenic machining processes. The methodology used here involves a metrics-based Process Sustainability Index (Pro...
The paper addresses which customer values, related to sustainable management of operation for Functional Products, are of interest during manufacturing companies’ marketing and sales processes. Based on an empirical study covering five manufacturing companies, a set of customer values, which are categorized using Hill’s [28] framework in order to understand whether they are important and why, i...
Systems architecting is multidisciplinary by nature. It is interesting to note that the methods and tools that are developed and presented in literature are mostly based on one or a very limited number of formalisms. This means that an often large part of the stakeholders involved in the architecting process are hindered in the understanding of, and contributing to the architecture. The paper i...
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