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Optimal design of the high-speed spindle bearings to minimize the non-repeatable runout
, Article SAE World Congress Experience, WCX 2019, 9 April 2019 through 11 April 2019 ; Volume 2019-April, Issue April , 2019 ; 01487191 (ISSN) ; Farahani, M. R ; Sharif University of Technology
SAE International
2019
Abstract
The production with high-quality at the lowest production time can be a key means to success in the competitive environment of the manufacturing companies. Therefore, in recent years, the need for the extra precise and high-speed machine tools has been impressively increased in the manufacturing applications. One of the main sources of errors in the motion of the high-speed spindles is the occurrence of non-repetitive runouts (NRRO) in the bearing. The NRRO can be caused by some factors such as the form of balls, the waveness of rings, the number of balls, and the permutation of one or two balls in the ball bearing. In this paper, a Taguchi-based approach is proposed for the optimal design...
Cloud-Based Global Supply Chain: A Conceptual Model and Multilayer Architecture
, Article Journal of Manufacturing Science and Engineering, Transactions of the ASME ; Volume 137, Issue 4 , 2015 ; 10871357 (ISSN) ; Houshmand, M ; Valilai, O. F ; Sharif University of Technology
American Society of Mechanical Engineers (ASME)
2015
Abstract
The cloud manufacturing (C-Manufacturing) paradigm, as an advanced form of networked manufacturing, has recently been proposed based on a combination of existing manufacturing systems and emerging technologies, such as cloud computing, virtual manufacturing, agile manufacturing, manufacturing grid, Internet-of-things (IOT), and service-oriented technologies. In this study, through investigating the main goals of C-Manufacturing and today's hyper-competitive global marketplace circumstances, a prospective conceptual model called cloud-based global supply chain (CBGSC) has been developed which can overcome or mitigate the issues and risks associated with supply chain processes on a global...
Minimization of Non-repeatable Runout (NRRO) in High-Speed Spindle Bearings
, Article SAE 2021 Automotive Technical Papers, WONLYAUTO 2021, 1 January 2021 ; Issue 2021 , 2021 ; 01487191 (ISSN) ; Khodaygan, S ; Sharif University of Technology
SAE International
2021
Abstract
The production with high quality at the lowest production time can be a key means to success in the competitive environment of manufacturing companies. Therefore, in recent years, the need for extra precise and high-speed machine tools has been impressively increased in manufacturing applications. One of the main sources of errors in the motion of high-speed spindles is the occurrence of non-repetitive runouts (NRRO) in the bearing. The NRRO can be caused by some factors such as the form of balls, the waviness of rings, the number of balls, and the permutation of one or two balls in the ball bearing. In this paper, a Taguchi-based approach is proposed for the optimal design of high-speed...