Relevant bibliographies by topics / Roller chain

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Roller chain'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Roller chain"

1

Liu, Xiao Lun, Wei Sun, Song Ding, Jian Fang Liu, Yu Ying Wang, and Bin Jiang. "Test and Analysis of Bush Roller Chains for Noise Reduction." Applied Mechanics and Materials 52-54 (March 2011): 430–35. http://dx.doi.org/10.4028/www.scientific.net/amm.52-54.430.

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A low noise duplex bush chains with split rollers was developed through changing roller structure to reduce noise of bush roller chains. The split rollers could absorb more impact energy, mitigate meshing impact and reduce chain drive noise. The noise generated by different types of duplex bush roller chains was carried out to test in same speed, low noise characteristics of duplex sleeve chains with split rollers was verified. By analysis of testing data, noise level of duplex sleeve chains with split rollers compared with that of the other duplex bush roller chains was reduced by the average 3 ~ 8dB, and low 10 ~ 13dB than that of 16A simplex sleeve roller chains. The chains made chain drive significantly improve in the working environment, with steady transmission, strong bearing, low noise, and a significant noise reduction was achieved.
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Sun, Wei, Xiao Lun Liu, Wen Cheng Wang, Li Yan He, and Jia Jun Liu. "Study on Noise in New Roller Chain Drives." Key Engineering Materials 522 (August 2012): 598–601. http://dx.doi.org/10.4028/www.scientific.net/kem.522.598.

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In order to mitigate the impact and the polygon effect of the chain and the sprocket during the meshing process and achieve the purpose of noise reduction, a Hlow noiseH nanostructured metal mesh-polyurethane composite material split roller chain was designed by means of changing structure and material of chain roller. Noise testing and frequency spectrum analysis were conducted, for the new roller chain and the other three kinds of the same specification chains with different structural rollers, on the closed force flow noise test bench researched and developed independently. The results show that the new roller chain can absorb some of the impact energy, and reduce vibration and noise of chain drive. The noise level generated by the new roller chain is significantly lower than the other tested roller chains, especially in high frequency and high speed. The difference in noise level is actually 3-11dB in driving sprocket speed of 1000r/min, and a significant noise reduction is achieved. The results also verify low noise characteristics of the new roller chain and rationality of design method.
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Liu, Xiao Lun, Wei Sun, Song Ding, Wen Cheng Wang, and Jia Jun Liu. "Research on Noise Test of Chains with Non-Metallic Elastic Material Split Rollers." Advanced Materials Research 159 (December 2010): 599–604. http://dx.doi.org/10.4028/www.scientific.net/amr.159.599.

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In order to reduce chain drive noise, by changing chain roller structure to mitigate meshing impact and achieve the purposes of noise reduction, a kind of duplex chains with non-metallic elastic material split rollers was designed. To study noise performance of the chains, noise comparison test was done on the same specifications duplex roller chains, and the test results were analyzed and evaluated. The results showed that duplex chains with non-metallic elastic material split rollers could reduce the meshing impact and the polygon effect, which could effectively reduce vibration and noise in the process of chain drive. So the design was reasonable and feasible, noise level was reduced by 3-8dB and a significant noise reduction was achieved.
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Zheng, H., Y. Y. Wang, and K. P. Quek. "A Refined Numerical Simulation on Dynamic Behavior of Roller Chain Drives." Shock and Vibration 11, no. 5-6 (2004): 573–84. http://dx.doi.org/10.1155/2004/548172.

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A refined numerical analysis of the dynamic behavior of roller chain drives is performed considering the roller assembly as a three-layer structure with mechanical clearance between each two of the mechanical components. Instead of using analytical method, explicit finite element technique is utilized for modeling and simulating the dynamic behavior of chain drives. The complete standard geometry of sprockets and all components of chain links are used in the developed model with minor geometry simplification. A primary goal is to achieve a more complete understanding of the dynamic behavior of chain drives especially in the transient vibration response of the engaging rollers, which is crucial for noise emission calculation. The simulated velocity response of the engaging rollers and roller-sprocket contact forces achieved using the full model are compared with what found by the simple model which has been adopted in analytical study of chain roller dynamics.
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Wilson, Bill. "Roller chain lubrication." Industrial Lubrication and Tribology 48, no. 4 (August 1996): 4–5. http://dx.doi.org/10.1108/00368799610125247.

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Wu, Yang Fang, Hua Liu, and Yong Gang Shi. "Design a Two-Harmonics Transmission Mechanism with Roller Chain." Advanced Materials Research 503-504 (April 2012): 867–71. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.867.

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The binary row short-pitch transmission based precision roller chain highlights its radial flexibility and circumferential rigidity, it constructs a new type of harmonic transmission unit by replacing the tradition flexible wheel. Driven by a generator of mechanical harmonic wave the rollers of the binary row roller chain mesh with the teeth contour of the two inner gears which realizes reduction in small teeth difference and zero-tooth-difference synchronous output. The rotation components distribute uniformly on a plane. In theory, it is capable to eliminate dynamic imbalance factors. This paper detailed the principle of the harmonic drive meshing and gave out the design approach to control parameters of trough in the roller chain. Through the prototype testing, it confirmed the feasibility of this transmission mode.
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Palle, Grgur, Luka Bakrač, and Aleksandar Opančar. "A walking roller chain." Emergent Scientist 2 (2018): 6. http://dx.doi.org/10.1051/emsci/2018005.

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In this article, we study the motion of a vertically fixed rapidly spinning roller chain that, after being released, “walks” a certain distance along the floor. We construct a two-dimensional model of the roller chain. By numerically integrating its equations of motion, we make predictions on the distances travelled by the roller chain, the code of the simulation being available online in the supplements. Finally, we compare the predictions with experiments, discuss the results, and suggest topics for further research.
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Hu, Sheng Hai, Bin Guo, Kun Xiu Deng, and Peng Xu. "An Efficient Contact Analysis for Roller Chain." Advanced Materials Research 211-212 (February 2011): 290–94. http://dx.doi.org/10.4028/www.scientific.net/amr.211-212.290.

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A main reason that leads to the complex dynamic behaviors of roller chain is the impact during engagement. In this paper, a contact analysis methodology is proposed to study the complex dynamic behaviors of roller chain efficiently. Considering the actual tooth profile, a detection algorithm of roller-sprocket contact was presented. Multi-body dynamics was used to analyze the contact kinematics relationships for purpose of simulating the impact between roller and sprocket precisely. Based on Hertz contact theory, a non-linear contact model of roller-sprocket is developed. Introducing the model to the numerical simulation of a roller chain system, the results validate the effectiveness of the model.
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Li, Bao Lin, Shuai Fan, and Yan Zhang. "The Modal Analysis of Roller Chain Drives." Advanced Materials Research 291-294 (July 2011): 1551–54. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.1551.

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Aiming at calculating the natural frequency of roller chain drives, the software Catia was used for modeling the roller chain drives accurately and Ansys Workbench was applied to analyze the modal and harmonic response of the tension side chains, comparing the natural frequency and the theoretical calculation results of simplified model. The results showed that the deviation increased with the increase of the order of natural frequency and modal numerical simulation provides certain reference for engineering application.
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Lodge, C. J., and S. C. Burgess. "A model of the tension and transmission efficiency of a bush roller chain." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 216, no. 4 (April 1, 2001): 385–94. http://dx.doi.org/10.1243/0954406021525179.

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This paper describes an improved chain link tension model for a simple two-sprocket roller chain drive. The model includes modified versions of previous models of the tension in the chain links, together with a new model for low-slack span tensions. The model allows the tension of a link to be calculated at any point in the chain drive more quickly and for a wider range of tight and slack span tensions than before. A new chain efficiency model is formulated, based on the losses due to sliding friction. Coupled with the chain link tension model, this can be used to predict the transmission efficiency of a chain. Experimental work undertaken on 0.5 in pitch industrial roller chains and bicycle chains has demonstrated that the chain efficiency model is accurate for moderate and high torque transmissions. At low torque, losses due to impact, adhesion and/or vibration become more significant and impair the accuracy of the model, particularly for heavier, industrial roller chains. The chain efficiency model enables certain design trade-offs to be carried out, such as the selection of the size of the overall system to achieve the right balance of transmission efficiency and weight.
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Dissertations / Theses on the topic "Roller chain"

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Colls, R. "Analysis of high speed roller chain drives." Thesis, University of Newcastle Upon Tyne, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275592.

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Stephenson, Robin. "Analysing the dynamic loads in a high speed timing chain." Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366783.

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Mazánek, Jan. "Návrh krokovacího roštu k odhrotovacím strojům." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318736.

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This master’s thesis is focused on design of stepper conveyor, that is used for transport od round bars of lengths from 3 m to 12 m and diameters from 20 mm to 100 mm between chamfering machines. It is a machinery assembled from chain conveyors and roller conveyors, which allows transverse and lengthwise movement of bars. The main goal was reduction of energetic demands compared to present solution of conveyor.
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Dombeck, Uwe. "Beitrag zur Dimensionierung von Fördersystemen mit Staurollenketten." Doctoral thesis, Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-109852.

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Die Arbeit beschäftigt sich mit der Untersuchung der Beanspruchungen von Staurollenketten. Zunächst wurde in den Grundlagen der Aufbau von unterschiedlichen Staurollenkettenarten dargestellt, die Eigenschaften miteinander verglichen und kategorisiert. Aufbauend auf dem anschließend geschaffenen Verständnis der wirkenden Reibpaarungen bzw. -arten wurden FEM-Analysen durchgeführt, um dadurch auftretende Spannungen zu detektieren und das thermische Verhalten der unterschiedlichen Werkstoffpaarungen zu ermitteln. Innerhalb der praktischen Versuche der Arbeit kam es zur Ermittlung der Bruch- und Dauerfestigkeiten nach ISO15654 [DIN04]. Zur Untersuchung der Eigenschaften der Ketten unter praxisnahen Randbedingungen wurde ein Versuchsstand konzipiert, welcher die Ermittlung von Kennwerten zwei unterschiedlicher Kettengrößen unter härtesten Bedingungen ermöglicht. Durch diesen Versuchsstand wurden die Staukraft, die Kettenzugkraft durch das Drehmoment am Antrieb, die Kettengeschwindigkeit, die Kettenlängung und das Temperaturverhalten dauerhaft überwacht. Im letzten Kapitel der Arbeit wurde eine Überwachungsstation für unterschiedliche Baugrößen von Staurollenketten entwickelt und die Funktionsweise durch Versuche nachgewiesen
This dissertation is dealing with the investigation of the load behaviour of accumulation roller chains. Initially, the structures of different types of accumulation roller chains are described, properties are compared and categorised. Based on the created understanding of acting tribological pairing and friction mechanisms, FEM analysis have been performed to evaluate occurring stresses and determine the thermal behaviour of the various material combinations. Within the testing procedures, breaking strength and fatigue strength have been investigated in accordance with DIN ISO 15654 [cf. DIN04]. A test bench has been developed for practically relevant testing of the chains, where determination of characteristic values can be done under hard testing conditions for two different chain types. The test bench ensures measurement and survey of accumulation forces, tensile chain forces (by torque moment at drive), chain speed, chain elongation and chain temperature during whole testing time. The last chapter of the dissertation deals with the development of a 'control and monitoring unit' for accumulation roller chains with various dimensions including proof of function by trials
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Florián, Michal. "Návrh paletizačního manipulátoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229295.

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The matter of this master´s thesis is the construction of two variations of manipulator for palletization. The first solution is the derrick manipulator; the second one is the gantry manipulator. The aim of this master´s thesis is the comparison of both solutions from the point of view of the applicability, the cost and the demandingness of production. The productinon documentation will be elaborated for the selected solution.
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Stoklásek, Tomáš. "Návrh konstrukčního řešení automatického podavače tablarů pro skladovací systém SLL LogiMat." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241722.

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The aim of this thesis is automatic movable shelves feeder design. the feeder is part of vertical lift storage system Logimat Total weight of movable shelf is 760 kg. The technical report contains feeder design calculation, feeder’s main parts strength calculation and the design of the way of picking the movable shelf from the storage lift. The report also contains feeder’s frame strength analysis using finite element method and sensor design for motion control.
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Dosedla, Milan. "Návrh systému pohonu elevátoru skladovacího systému LogiMat." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230085.

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This diploma thesis deals with the design of the new elevator drive for storage system Logimat. Diploma is focused to design a new drive for a load up to 1200 kg and to adapt the elevator frame to the new drive design. In the first part is done research for suitable drive systems. There are followed by design and stress analysis. The second part deals with appropriate roller chain parameters calculation and the power output of electric motors.
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Čejda, Robert. "Mechanický čistící stroj." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228408.

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The aim of my diploma thesis is to design a construction of a mechanical fine rack cleaner machine including an appropriate design of gear mechanism and its attachment to the frame. The cleaner machine is located in the inflow system of a turbine in front of the object of small hydro power station. The design of the construction of the cleaner machine will be based on a drawing documentation and a report with needed analytic and FEM calculations.
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Dítě, Michal. "Zvedací plošina." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241928.

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This thesis deals with searches different types of lift tables. Create design of several lift tables with different drive of platform for load capacity 800 kg and stroke 700 mm. Compare this solution. Selection suitable alternatives of Kwapil & Co GmbH company. Drafting assembly drawings of several alternatives.
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Horký, Pavel. "Návrh řetězového vlečníku s vytvářením dávky tyčí." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382120.

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The diploma thesis deals with the design of mechanism for manipulation with bars and creating a batch of square steel bars. In intoduction of this thesis is describtion of principle of curent mechanisms. In following chapters are described the most important parts of new mechanism and their design. In final sections are risk analysis and financial evaluation.
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Books on the topic "Roller chain"

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Men, women, and chain saws: Gender in the modern horror film. Princeton, N.J: Princeton University Press, 1992.

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"I will wear no chain!": A social history of African American males. Westport, Conn: Praeger, 2000.

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L, Anderson Karen. Chain her by one foot: The subjugation of women in seventeenth-century New France. London: Routledge, 1991.

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Chain her by one foot: The subjugation of native women in seventeenth-century New France. New York: Routledge, 1993.

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Bagnoli, Carlo, Alessia Bravin, Maurizio Massaro, and Alessandra Vignotto. Business Model 4.0. Venice: Edizioni Ca' Foscari, 2018. http://dx.doi.org/10.30687/978-88-6969-286-4.

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The manufacturing digital transformation is changing the industry through the introduction of advanced solutions that allow companies to re-interpret their role along the value chain. The industrial revolution opens up great opportunities for Italian companies, in terms of process efficiency, cost reduction and improvement in productivity, but also in the rethinking of products, new services, and the ability of reaction to market needs. This report examines the possible impact of Industry 4.0 on business models considering technological innovation also as a driver of strategic innovation.
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Vasterman, Peter, ed. From Media Hype to Twitter Storm. NL Amsterdam: Amsterdam University Press, 2018. http://dx.doi.org/10.5117/9789462982178.

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The word media hype is often used as rhetorical argument to dismiss waves of media attention as overblown, disproportional and exaggerated. But these explosive news waves, as well as - nowadays - the twitter storms, are object of scientific research, because they are an important phenomenon in the public area. Sometimes it is indeed 'much ado about nothing' but in many cases these media storms have play an important role in political issues, scandals and crises. Twitter storms sometimes ruin reputations within hours. Although different concepts are used, such as media hypes, news waves, media storms, information cascades or risk amplification, all the studies in this book refer to the same process in which key events trigger a chain of reactions and interactions, building up huge news waves in the media or rapidly spreading social epidemics in the social media. This book offers the first comprehensive overview of this important topic. It is not only interesting for scholars and students in media and journalism, but also for professionals in PR and communication, crisis communication and reputation management.
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Salvarani, Renata. The Body, the Liturgy and the City. Venice: Edizioni Ca' Foscari, 2019. http://dx.doi.org/10.30687/978-88-6969-364-9.

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The body and the space are the fulcrums of dynamic relationships creating cultures, identities, societies. In the game of interactions between individuals, groups and space, religions play a crucial role. During a ritual performance takes place a true genesis of a sacred space. This work analyzes the theme from a historical point of view, with a focus on Christian medieval Latin liturgies. Indeed, for Christian theology, related with the dogma of the Incarnation, the chair is itself the place of the manifestation of the sacred. Liturgy makes present and gives with life a new body. Together it generates a space, that interacts with the entire urban society, inside the eschatological dialectic between earthly and heavenly city.
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Pfau, Aleksandra Nicole. Medieval Communities and the Mad. NL Amsterdam: Amsterdam University Press, 2020. http://dx.doi.org/10.5117/9789462983359.

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The concept of madness as a challenge to communities lies at the core of legal sources. Medieval Communities and the Mad: Narratives of Crime and Mental Illness in Late Medieval France considers how communal networks, ranging from the locale to the realm, responded to people who were considered mad. The madness of individuals played a role in engaging communities with legal mechanisms and proto-national identity constructs, as petitioners sought the king’s mercy as an alternative to local justice. The resulting narratives about the mentally ill in late medieval France constructed madness as an inability to live according to communal rules. Although such texts defined madness through acts that threatened social bonds, those ties were reaffirmed through the medium of the remission letter. The composers of the letters presented madness as a communal concern, situating the mad within the household, where care could be provided. Those considered mad were usually not expelled but integrated, often through pilgrimage, surveillance, or chains, into their kin and communal relationships.
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The World Market for Roller Chain: A 2004 Global Trade Perspective. Icon Group International, Inc., 2005.

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Parker, Philip M. The World Market for Roller Chain: A 2007 Global Trade Perspective. ICON Group International, Inc., 2006.

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Book chapters on the topic "Roller chain"

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Richards, Keith L. "Roller Chain Drives." In Design Engineer's Sourcebook, 1061–85. Boca Raton : Taylor & Francis, CRC Press, 2018.: CRC Press, 2017. http://dx.doi.org/10.1201/9781315367514-44.

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Ambrosio, J., C. Malça, and A. Ramalho. "Cylindrical Contact Force Models for the Dynamics of Roller Chain Drives." In Multibody Mechatronic Systems, 121–31. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09858-6_12.

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Gyaneshwar, V., and V. Sivasankaran. "Analysis of Inner Block in a Roller Chain Using Glass Reinforced Composites." In Lecture Notes in Mechanical Engineering, 1537–44. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0550-5_148.

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Zhu, W. W., and Z. H. Lan. "Kinematic Synthesis of Planar Cam Mechanism with Translating Roller Follower by Kinematic Analysis of Binary Link Chain." In Lecture Notes in Electrical Engineering, 1557–65. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2875-5_123.

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Kuhn, Axel, and Bernd Hellingrath. "Die Rolle der IT — „Enabler“ für Supply Chain Prozesse." In Supply Chain Management, 125–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-10141-4_4.

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Nakano, Mikihisa. "Roles of the SCM Steering Department." In Supply Chain Management, 215–33. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8479-0_10.

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Precht, Philipp, and Günter Prockl. "Mögliche Rolle von Logistik-Dienstleistern als Agilitätsstifter in der Supply Chain." In Supply Chain Network Management, 65–80. Wiesbaden: Gabler, 2010. http://dx.doi.org/10.1007/978-3-8349-6000-9_5.

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Gattorna, J. L., and D. W. Walters. "Intra-Company Cross-Functional Roles in Logistics." In Managing the Supply Chain, 79–98. London: Macmillan Education UK, 1996. http://dx.doi.org/10.1007/978-1-349-24841-4_5.

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Das, Sudip, and Ishaan Das. "Roles, Responsibilities, and an Industry Overview." In Becoming a Supply Chain Leader, 91–121. Boca Raton: Productivity Press, 2021. http://dx.doi.org/10.4324/9780429273155-7.

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Tsuboi, Shigeru. "Roles of Glycans in Immune Evasion from NK Immunity." In Sugar Chains, 177–88. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-55381-6_11.

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Conference papers on the topic "Roller chain"

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Vukobratovich, Daniel, and Ralph M. Richard. "Roller chain supports for large optics." In Midwest - DL tentative, edited by Rudolph P. Guzik, Hans E. Eppinger, Richard E. Gillespie, Mary K. Dubiel, and James E. Pearson. SPIE, 1991. http://dx.doi.org/10.1117/12.47749.

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Fritz, Peter, and Friedrich Pfeiffer. "Dynamics of High Speed Roller Chain Drives." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0298.

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Abstract This paper deals with roller chain drives applied in combustion engines. In order to find characteristics for an optimal design, all components of a chain drive are taken into account. For a detailed analysis of the chain strand vibrations and the contact configurations each chain link, sprocket and guide is treated as a separate body. A nonlinear force element describes the joint forces, including elasticity, damping, backlash and oil-displacement. To determine real contact forces between a link and a sprocket or a guide, the exact contour and the mutual dependence of the contacts are considered. The impact of one link may influence the other links in such a manner that their contact configuration may change. In the mechanical model these contacts are represented by unilateral constraints. Applying the formulation of the linear complementarities including additional inequality conditions, the determination of a valid contact configuration after a change in the system structure is simplified.
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Choi, Woosuk, and Glen E. Johnson. "Transverse Vibrations of a Roller Chain Drive With a Tensioner." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0256.

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Abstract A dynamic model for analysis of the performance of roller chain drive with a tensioner is presented. The model is based on the axially moving material model first given by Mote, but includes extensions that allow consideration of the effects of polygonal action, impact, and the periodic span length changes. Three equations of motion are obtained — one for the tensioner and one for each of the chain spans. The motion of the tensioner interacts with the motions of the chain spans through the chain tension, the contact angles, and the transverse displacement changes of the contact points. The effects of the periodic length change, tensioner stiffness, tensioner damping, tensioner position and external periodic load are investigated. Some of the results are compared to those obtained for a comparable chain drive without a tensioner. Solutions are obtained by a finite difference method.
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Zhu, Shenglan, Yong Sun, and Shichao Ding. "Numerical analysis of spiral roller of chain-die former." In NUMISHEET 2014: The 9th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes: Part A Benchmark Problems and Results and Part B General Papers. AIP, 2013. http://dx.doi.org/10.1063/1.4850094.

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Veikos, Nicholas M., and Ferdinand Freudenstein. "On the Dynamic Analysis of Roller Chain Drives: Part I — Theory." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0326.

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Abstract A generally applicable, computer-aided procedure has been developed for the dynamic analysis of roller chain drives. This approach addresses important factors of chain dynamic behavior such as impact, discontinuities in span length, chain elasticity, coupling between longitudinal and transverse motions, as well as coupling between motion and boundary conditions. The procedure has been used to study various chain configurations. The results show good agreement with experimental observations and indicate some general trends, which provide additional insight into the dynamic behavior of these systems.
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Kim, Mahn Shik, and Glen E. Johnson. "Mechanics of Roller Chain-Sprocket Contact: A General Modelling Stragegy." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0088.

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Abstract An extensive analysis of the contact phenomenon occuring between a roller chain and sprocket was given by Binder in 1956. Naji and Marshek complemented Binder’s work by presenting a theoretical and experimental investigation of the contact phenomenon under quasi-static conditions during the early 1980’s. The problem is very complex, and significantly complicated due to the non-trivial geometry of the sprocket tooth, manufacturing tolerances, and changes in clearances between components due to wear. Accordingly, several simplifying assumptions were necessary in the previous investigations. In this paper, a more detailed model of the quasi-static contact phenomenon is developed from first principles. The new model includes the external loading conditions, the curvature difference between the roller and the seating curve, the net error in the chain pitch (defined as the error in the chain pitch minus the error in the sprocket pitch), and Coulomb friction between the tooth and roller, the roller and bushing, and the bushing and pin. No assumption regarding the pressure angle at each contact point is made — rather the pressure angle at each contact point is calculated during the solution. (This is a very significant difference between the present and previous analyses). An efficient strategy for the computation is outlined. In a companion paper (“Mechanics of Roller Chain - Sprocket Contact: Observations About the Contact Phenomenon and Load Distribution” submitted for presentation at this conference), results generated by the new model are presented and discussed. A comparison with experimental data taken from the literature (Naji and Marshek, 1983) indicates that excellent quantitative prediction of load distribution is possible. Finally, practical observations about chain performance (including effects of manufacturing tolerance and wear, and guidelines for incorporation of idler sprockets) are presented.
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Kryvyy, Petro D., Ihor M. Bey, Oksana I. Shymanska, and Petro P. Kryvyy. "Probability of Load-Carrying Ability of Two-Profile Chain Drives." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/ptg-14415.

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Abstract The analysis of the available calculation methods of chain-drives load-carrying ability is given according to the criterion of the tolerance unit pressure in a single profile chain joint [p]0. It is shown, that the values of [p]0 were determined according to the deterministic ideas without consideration of the distribution law of both random varieties of contact step of inner and outer rings and lengths of drive strands of the first and second profile of the chain drive. Probability task of determination of the tolerance unit pressure in two profile chain joints [p0]q is solved, when the structural, technological and physical-mechanical characteristic of the chain, that is, the lengths of drive strand of a chain-drive, accuracy of contact steps and stiffness of a drive roller chain are considered. The measurement procedure and the empirical dependencies for determination of drive roller chains deformation and stiffness are presented. As a result, the dependencies for the determination of [p0]q as the basic criterion according to which selection of a chain dimension-type, as well as characteristics used for the comparative estimation of a drive chain quality of different manufacturers when certain probability estimations are taken into consideration, were obtained.
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Furleigh, Dwight D., and Paul W. Claar. "Interactive Design Program for Roller-Chain and Synchronous-Belt Drives." In 1986 SAE International Off-Highway and Powerplant Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1986. http://dx.doi.org/10.4271/861296.

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Young, James D., Kurt M. Marshek, Christian Poiret, and Patrice Chevee. "Camshaft Roller Chain Drive with Reduced Meshing Impact Noise Levels." In SAE 2003 Noise & Vibration Conference and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2003. http://dx.doi.org/10.4271/2003-01-1666.

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Wang, Yulin, Yijun Zhou, and Chen Luo. "Deep Learning for Topmost Roller Chain Detection Using Data Augmentation." In 2019 4th International Conference on Mechanical, Control and Computer Engineering (ICMCCE). IEEE, 2019. http://dx.doi.org/10.1109/icmcce48743.2019.00106.

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Reports on the topic "Roller chain"

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van Gogh, Bart, Henry Boerrigter, Maryvon Noordam, Ruerd Ruben, and Toine Timmermans. Post-harvest loss reduction : a value chain perspective on the role of post-harvest management in attaining economically and environmentally sustainable food chains. Wageningen: Wageningen Food & Biobased Research, 2017. http://dx.doi.org/10.18174/416532.

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Octania, Galuh. The Government’s Role in the Indonesian Rice Supply Chain. Jakarta, Indonesia: Center for Indonesian Policy Studies, 2021. http://dx.doi.org/10.35497/338075.

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Eggert, L. The Role of the IRTF Chair. RFC Editor, March 2016. http://dx.doi.org/10.17487/rfc7827.

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Song, Chunying. Role of Dynein Light Chain 1 in Tamoxifen Resistance in Breast Cancer. Fort Belvoir, VA: Defense Technical Information Center, March 2007. http://dx.doi.org/10.21236/ada469357.

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Kilbey, S. II M., and Jimmy W. Mays. Role of Chain Microstructure and Branching on Solution and Thin Film Phase Behavior. Fort Belvoir, VA: Defense Technical Information Center, October 2015. http://dx.doi.org/10.21236/ad1006972.

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Alemu, Dawit, and Abebaw Assaye. The Political Economy of the Rice Value Chain in Ethiopia: Actors, Performance, and Discourses. Institute of Development Studies (IDS), February 2021. http://dx.doi.org/10.19088/apra.2021.004.

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The goal of this working paper is to identify the core challenges that have contributed to the poor performance of Ethiopia’s rice sector, and highlight approaches to successfully promote the commercialisation of the rice value chain. The authors achieve this by emphasising the underlying political economy dynamics of the rice value chain in Ethiopia, and how these can offer a better understanding of the drivers and constraints of agricultural commercialisation in the country. The paper also discusses the performance of, and challenges faced by, actors involved in the rice value chain. In addition, it looks at the role of development partners in promoting the rice value chain, the role of rice in the rural labour market, as well as the impact of COVID-19 on the various actors.
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Skone, Timothy J., James Littlefield, Dan Augustine, Ambica Pegallapati, Selina Roman-White, Greg Zaimes, Joe Marriott, and Greg Cooney. Industry Partnerships and Their Role in Reducing Natural Gas Supply Chain Greenhouse Gas Emissions. Office of Scientific and Technical Information (OSTI), April 2018. http://dx.doi.org/10.2172/1457394.

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Skone, Timothy J., James Littlefield, Dan Augustine, Ambica Pegallapati, Selina Roman-White, Greg Zaimes, Joe Marriott, and Greg Cooney. Industry Partnerships and their Role in Reducing Natural Gas Supply Chain Greenhouse Gas Emissions. Office of Scientific and Technical Information (OSTI), May 2018. http://dx.doi.org/10.2172/1513820.

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Chen, Wen, Bart Los, and Marcel Timmer. Factor Incomes in Global Value Chains: The Role of Intangibles. Cambridge, MA: National Bureau of Economic Research, November 2018. http://dx.doi.org/10.3386/w25242.

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Rai, Srijana, James Littlefield, Selina Roman-White, George Zaimes, Gregory Cooney, and Timothy Skone. Industry Partnerships & Their Role In Reducing Natural Gas Supply Chain Greenhouse Gas Emissions – Phase 2. Office of Scientific and Technical Information (OSTI), July 2020. http://dx.doi.org/10.2172/1647225.

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