Relevant bibliographies by topics / Tool turret

Contents

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

Academic literature on the topic 'Tool turret'

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

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Journal articles on the topic "Tool turret"

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Dai, Yuan Xing, Tian Rui Zhang, Xue Wei Zhang, and Tian Biao Yu. "Kinematics and Dynamics Simulation of a New Type Direct-Drive NC Turret Tool Post." Applied Mechanics and Materials 325-326 (June 2013): 247–51. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.247.

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Building 3D model for a new type direct-drive NC Turret tool post, and introduce the model into ADAMS for further kinematics and dynamics simulation. In the kinematics simulation, observing the motion process of the direct-drive NC turret tool post and plots the trajectory of moving parts to a curve. Simulate the force condition of the NC turret tool post in actual situation, calculate the axial load and verify the clamping force in dynamics simulation.
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Arsecularatne, J. A., and P. Mathew. "An Optimal Tool Replacement Strategy for Computer Numerical Controlled Turning Centres." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 209, no. 6 (December 1995): 481–90. http://dx.doi.org/10.1243/pime_proc_1995_209_112_02.

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For a computer numerical controlled (CNC) turning centre with a multi-station tool turret, this paper describes a tool replacement strategy for tools used for both rough and finish turning, boring and facing operations as well as other end operations which include drilling, grooving, threading and parting-off. The method ensures a convenient replacement strategy where tools in the machine turret are replaced after machining integer multiples of an optimum number of components. This optimum number of components is determined so that the total cost due to tools and tool changing time is minimized. An example is given to illustrate how the procedure determines the optimal tool replacement strategy. It shows that the described method can substantially reduce the number of interruptions due to tool replacements in processing a batch.
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Sun, Shu Xia, Xiang Jun Zhu, and Ming Ming Wang. "Power Turret the Dynamics Simulation Analysis of Power Turret." Applied Mechanics and Materials 198-199 (September 2012): 133–36. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.133.

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The dynamic performance of the CNC turret affect the cutting capability and cutting efficiency of the NC machine tool directly, embody the core level of the design and manufacture of the NC machine tool. However, the dynamic performance of the CNC turret mostly decided by the dynamic performance of the power transmission system of the power turret. This passage use Pro/E to set the accurate model of the gears and the CAD model of the gear transmission system and based on this to constitute the ADAMS model of virtual prototype. On the many-body contact dynamics theory basis, dynamic describes the process of the mesh of the gears, work out the dynamic meshing force under the given input rotating speed and loading, and the vibration response of the gear system. The simulation result disclosure the meshing shock excitation and periodical fluctuation phenomena arose by stiffness excitation of the gear transmission. Analyses and pick-up the radial vibration response of the output gear of the gear transmission system as the feasibility analysis data.
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Adesta, Erry Yulian Triblas, and Muataz H. F. Al Hazza. "Machining Time Simulation in High Speed Hard Turning." Advanced Materials Research 264-265 (June 2011): 1102–6. http://dx.doi.org/10.4028/www.scientific.net/amr.264-265.1102.

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High speed hard turning is an advanced manufacturing technology that reduces the machining time because of two reasons; reducing the manufacturing steps and increasing the cutting speed. This new approach needs an economical justification; one of the main economical factors is the machining time. The machining time was breaking down into three main parts; productive time, non productive time, and preparation time. By using matlab Simulink, a new program was developed for machining time allowing the manufacturer to find rapidly the values of cutting time parameters and gives the management the opportunity to modify the processing parameters to achieve the optimum time by using the optimum cutting parameters. Table 1: Nomenclature d Depth of cut M T total machining time pmv t Total movement time D Work piece diameter h t handling time pch t Total Tool changing time f Feed rate tc t tool changing time pre t Total preparing time z e Engagement distance on Z-axis ch t Tool changing time per piece, prg t Programming time x e Degagement distance on X-axis am t Machine allowance time su t Set up time k Number of passes ao t Operator allowance time sum t Machine set up L Tool life a t Allowance time sut t Tool set up l Work piece length o t Tool movement at the rapid speed suw t Work piece set up N Spindle speed oA t From zero point to cutting point TH Tool hardness tool n No. of tool posts in the turret p t Total productive time o X tidy of the O t point o1 p Initial position of the turret. o Z = abciss of the O t point w Work piece weigh o2 p Position of the used tool c V Cutting speed c w Width of cutting speed r Rotation speed of the turret f V Feeding speed tool n no. of tool in the turret c t Cutting time o V Rapid speed speed r : Turret rotation speed
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Wang, Yu Sheng, Ming Ming Wang, and Xiang Jun Zhu. "Research on Speed Changing Curve of Servo Turret Motor." Applied Mechanics and Materials 198-199 (September 2012): 137–40. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.137.

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Because of such merits of servo turret like fast speed of tool changing, high accuracy of first location, simple mechanical structure, high reliability and so on, servo turrets are widely used in turning processing and turning and milling complex processing center.Control mode of servo motor speed is one of the critical problems in the designing of servo turret.S curve acceleration and deceleration control is to make the derivative of acceleration as constant in this procession, and maximize to reduce the impact of mechanical system by controlling acceleration derivative. Otherwise, by setting parameter or programming acceleration and its derivative, flexible acceleration and deceleration will be controlled to fit for different kinds of situation of machines.
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Zhang, Er Hong, and Hua Long Zhang. "Study on Surface Processing of Non-Rotational Symmetry." Advanced Materials Research 1094 (March 2015): 348–51. http://dx.doi.org/10.4028/www.scientific.net/amr.1094.348.

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This paper studies on technology of slow tool servo method and the processing of high efficiency. High precision surface NRS goal is studied for factors affecting theNRSworkability and surface machining accuracy. Including slow tool servo theory, research tools, tool path generation, surface microstructure simulation, slow tool servoNRSsurface machining and simulation systems development, installation errors and adjustment tool,Yto linear turret design,NRSsurface machining experiments.
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Liu, Le Ping, Ya Jun Yan, Yu An Peng, Hai Dong Li, and Qi Zheng Dong. "Structure Analysis and Optimization of Hydraulic Tool Turret Cabinet of CNC Lathe." Advanced Materials Research 945-949 (June 2014): 498–502. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.498.

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The research object is hydraulic tool turret cabinet of CNC lathe. Building the hydraulic tool turret cabinet model by Pro/E, then meshing the cabinet by Hyper-mesh software, finally calculating by the ANSYS. Do modal analysis and harmonic response analysis for the cabinet, then make the second order frequency maximum as a target, use the Altair OptiStruct to improve its dynamic structure. The result shows: though the quality of optimized body is increased, but it avoids the resonance frequency, which greatly reduce the possibility of resonance, and greatly improve the dynamic performance of the cabinet.
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Herwan, Jonny, Seisuke Kano, Ryabov Oleg, Hiroyuki Sawada, and Masahiro Watanabe. "Comparing Vibration Sensor Positions in CNC Turning for a Feasible Application in Smart Manufacturing System." International Journal of Automation Technology 12, no. 3 (May 1, 2018): 282–89. http://dx.doi.org/10.20965/ijat.2018.p0282.

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Tool condition monitoring, such as tool wear and breakage, is an essential feature in smart manufacturing system. One of most potential sensors that can be used in tool monitoring is vibration sensor, which usually assembled at tool shank. However, in case of CNC turning with rotating tool turret, it is impossible to assemble the vibration sensor at the tool shank because wire of the sensor will be damaged when the turret rotated. This paper is addressed to compare thoroughly alternative sensor positions. Ten sensor positions including tool shank, as a reference, are investigated. The signals from three types of cutting, namely; normal cutting, abnormal cutting with tool wear and abnormal cutting when tool breakage occurred, are investigated. Based on the magnitude of the output signals and their capability to predict tool wear and breakage, a suggestion on vibration sensor positions is proposed.
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Chen, C.-G., and S.-T. Chiou. "Surface design of roller gear cam mechanisms with a turret in both translation and rotation." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 222, no. 6 (June 1, 2008): 1071–80. http://dx.doi.org/10.1243/09544062jmes855.

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Roller gear cam mechanisms (RGCMs) are used extensively as automatic tool changers of machining centres or as indexing mechanisms in various machinery. However, almost all the existing RGCMs have a turret in a rotational motion only. Thus for example, when they are used as a part of automatic tool changers, the translational motions of the tools have to be given by other mechanisms. An RGCM with a turret which can move with both translation and rotation simultaneously is proposed; such an RGCM may simplify the structure of some machines. By using D-H homogeneous coordinate transformation matrices, and applying the theory of conjugate surfaces, the model for the surface design of the RGCM is developed. Two examples are included to demonstrate the usages of the model and to verify its correctness.
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Tsay, Der Min, and Bor Jeng Lin. "Design and Machining of Globoidal Index Cams." Journal of Manufacturing Science and Engineering 119, no. 1 (February 1, 1997): 21–29. http://dx.doi.org/10.1115/1.2836552.

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A simple, yet useful approach to the geometry design and machining of globoidal index cams and roller-follower turrets is developed. From the machining point of view of the globoidal cam by an end mill, the side surface geometry can be easily defined as the swept surface by the tool path. By using the analytical cam surface formulation, the pressure angle, the contact forces, and the torques between the cam and the turret can be investigated. In the machining process, to avoid undercutting, principal curvatures are analyzed. To demonstrate the usefulness and effectiveness of the procedure, two numerical examples of the globoidal index cams are presented along with the 3D computer printouts and the photography of machined samples.
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Dissertations / Theses on the topic "Tool turret"

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Mrkos, Jan. "Konstrukce revolverové hlavy pro CNC soustruh s přímým pohonem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443736.

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The diploma thesis deals with the design of a direct drive tool turret, which serves as a tool magazine for a CNC lathe. In the introductory part of the work, a research was performed in the field of automatic tool change with a focus on tool turrets and their main structural units. The introductory research is followed by the main part of the work, which begins with the selection of appropriate design solutions, followed by a presentation of the tool turret design created in CAD software Autodesk Inventor 2021 and in the final part of thesis the key elements of the proposed design are verified by calculations.
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Navrátil, Lukáš. "Konstrukce revolverové hlavy pro CNC soustruh." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400930.

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This thesis deals with mechanical design of tool turret for CNC lathe. The first part of the thesis is dedicated to research of automatic tool exchange and current trends in design of tool turrets with drive of rotary tools. The second part is focused to design of tool turret, which is based on the findings of the research part of the thesis. The design includes calculations of machining loads, spindle deformation, bearings, gears and spindle startup. Furthermore, 3D models and selected drawings are included.
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Camur, Serhat. "A simulation tool for the duties of computer specialist non-commissioned officers on a Turkish Air Force Base." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Sep/09Sep_Camur.pdf.

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Thesis (M.S. in Modeling, Virtual Environments, and Simulation (MOVES))--Naval Postgraduate School, September 2009.
Thesis Advisor(s): Buss, Arnold H. "September 2009." Description based on title screen as viewed on November 03, 2009. Author(s) subject terms: Simulation, model, staff assignment problem, Simkit, Viskit, design of experiment, NOLH, and regression analysis. Includes bibliographical references (p. 73-74). Also available in print.
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Demirci, Barbaros. "A Geographic Information Systems Tool Development For Geostatistical Analysis Of Endangered Endemic Vascular Plants Of Turkey." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606098/index.pdf.

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Modern information systems strive to provide effective use of resources. Supplied with analysis tools, geographical information systems (GIS) can serve its stakeholders with minimal requirements. In this study, GIS capabilities were employed for Turkish Flora. Data related with the threatened plants that are indigenous to Turkey were gathered from the relevant literature and reshaped into a dataset in which spatial locations were represented in a geographically referenced format. Afterwards, this output was used to investigate the affects of different factors on the distribution patterns of these plants by means of functions of GIS and multivariate analysis. At last, overlay analysis was employed in order to reveal the congruence between official protection reserves, spatial locations of the plants in danger and areas of importance for other elements of wildlife specifically birds. Outcomes of the study is three-fold. First of all, a simple algorithm was established which can be used in the formation of a unified database of widely distributed floristic data in Turkey. Geographically referenced data and the analysis results produced in the study is another value added for Turkish botanics. From another perspective, effectiveness of GIS in handling different types of non-standard data were scrutinized. Overlay analysis of locations of the plants and the protection reserves constituted the managerial aspect of the study by pointing large gaps in the actual protection coverage and proposing candidate regions for official reserve choices of the future. In essence, GIS was deemed to be an effective tool for parties working on non-standard spatial data.
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Yavuz, Nilay. "The Use Of Non-monetary Incentives As A Motivational Tool: A Survey Study In A Public Organization In Turkey." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605141/index.pdf.

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The purpose of this study is to demonstrate to what extent non-monetary incentives are utilized in the public sector of Turkey and whether non-monetary incentives have the potential to increase the motivation of public employees as much as the monetary incentives. Incentive is any means that makes an employee desire to do better, try harder and expend more energy. Non-monetary incentives such as participation in decision making, verbal or written recognition of good work etc. are the kinds of incentives that do not involve direct payment of cash. To realize the objectives of the thesis, a survey study was administered at the General Directorate of Investment and Enterprises, under the Ministry of Culture and Tourism. According to the results of the study, most of the employees think that the level of utilization of the non-monetary incentives in their organization is inadequate. Also, the findings suggest that they value non-monetary incentives as much as monetary incentives. Thus, within the limitations of the survey study, it may be concluded that non-monetary incentives have the potential to increase the motivation of personnel in this public organization.
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Bose, Rana. "Unloading using auger tool and foam and experimental identification of liquid loading of low rate natural gas wells." Texas A&M University, 2003. http://hdl.handle.net/1969.1/5890.

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Low-pressure, low-producing natural gas wells commonly encounter liquid loading during production. Because of the decline in the reservoir pressure and the flow capacity, wells can fall below terminal velocity. Identifying and predicting the onset of liquid loading allows the operators to plan and prepare for combating the liquid loading hence saving valuable reserves and downtime. The present industrial applications of artificial lift, wellhead pressure reduction by compressor installation at the wellheads and reduction in tubing size are costly and often intermittent. The thesis examines the above aspects to generate a workflow for identifying and predicting the liquid loading conclusively and also assessing the application of Auger Tool and foam combination towards achieving a cost effective and more efficient solution for liquid unloading. In chapters I-IV, I describe the process of using production surveillance software of Halliburton Digital Consulting Services, named DSS (Dynamic Surveillance Software), to create a workflow of identifying the liquid loaded wells based on well data on daily basis for field personnel and engineers. This workflow also decides the most cost effective solution to handle it. Moreover, it can perform decline analysis to predict the conditions of liquid loading. In chapters V-VIII of the thesis, I describe the effort of handling the problem of liquid loading in a cost effective manner by introduction of an inexpensive Auger Tool in the bottomhole assembly and using WhiteMax surfactant soapstick from J&J Solutions. Four different combinations of well completion and fluid were tested for performance in respect to liquid hold up, pressure loss in the tubing, unloading efficiency and critical flow requirement. The test facilities and instruments, along with the operational methods, are discussed in chapter VI. Except for the reduction of the operational envelope with the inclusion of Auger Tool, the performance improved with the insertion of Auger Tool. The best combination of Auger and foam system could be a result of flow modification by the Auger Tool caused by reduced pressure loss and increase in drag coefficient and also by reduced density and surface tension of foam.
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Kendrick, Shelby. "“A Crime Too Terrible for Contemplation:” Samuel Ralph Harlow and Missionary Influence on the History of the Responsibility to Protect." ScholarWorks@UNO, 2014. http://scholarworks.uno.edu/honors_theses/57.

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As a prominent and influential missionary in Turkey in the early 20th century, Samuel Ralph Harlow offers a new perspective that should be included in historical literature on foreign missionaries and human rights. Through his correspondence and academic works, Harlow’s story unveils internal conflict among United States officials and missionaries in regard to Turkish treatment of Greeks and Armenians in the interwar period. Samuel Ralph Harlow represents the position in support of American intervention to rescue Greeks and Armenians from massacre and deportation, but as his superiors’ views on the matter changed, Harlow was silenced. The U.S. may have decided not to intervene after all, but missionaries certainly played a role in the decision. Harlow was an early advocate for foreign intervention for the sake of protecting human rights, and his story shows how American missionaries helped mold U.S. support for protecting vulnerable populations abroad. The Samuel Ralph Harlow Papers at Amistad Research Center are virtually untouched by academics; thus, Harlow deserves a study in his own right. This study involved extensive research on Harlow’s original papers, the United States Government Official Foreign Relations Documents, and the historiography of human rights and missionaries in the Middle East, particularly Turkey.
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Yusufoglu, Ayca. "A Critical Review Of The Tools And Techniques Used In Coastal Planning: Case Study Mugla-gokova Special Environmental Protection Area." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612354/index.pdf.

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A CRITICAL REVIEW OF THE TOOLS &
TECHNIQUES USED IN COASTAL PLANNING: CASE STUDY MUGLA-GÖ
KOVA SPECIAL ENVIRONMENTAL PROTECTION AREA Yusufoglu, Ayç
a M. S., Programme of City Planning Supervisor: Assoc. Prof. Dr. Serap Kayasü
June 2010, 119 Pages This study focuses on the issue of coastal area management in terms of planning techniques and tools as well as legal aspects necessary in order to clarify the components of a successful coastal area planning process. It has been emphasized that planning of the coastal area should be performed within the context of integrated policy mechanism considering maintance of biodiversity, public participation and, promoting diversification among coastal related economic uses such as tourism, aquaculture, fishing. The thesis haS been grouped into according to definitions of coastal area, coastal planning and legislation, institutions, organizations, international commisions regarding coastal areas and Gö
kova Special Environment Protection Area from the perspective of Integrated Coastal Management (ICM). The case section of the thesis formed by five phases of Gö
kova SEPA 1/25.000 scaled Environmental Relation Plan in order to achieve ICM. Also, this is the first study performed by the reviewing of the tools and techniques used in the Gö
kova SEPA towards Integrated Coastal Management approach.
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Pechníková, Jana. "Analýza nabídky cestovních kanceláří do vybrané destinace - Turecko." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-114141.

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Diploma thesis analyzes the supply of chosen Czech travel agencies in relation to destination Turkey. The aim of the thesis was to create a certain manual for the newly formed travel agency, which would inspire by this thesis and would find out, which marketing tools are suitable to use for its enter to the market. The first theoretical chapter is dedicated to explanation of basic terms, which are used in the thesis. The next chapter presents the destination and the third chapter contains the analysis. The last chapter compares and evaluates all tools of the selected travel agencies.
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Wood, Matthew. "Rock ‘n’ Roll Took Me There: Its Effects Upon Individual and Communal Religious Experience." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/30174.

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From the claims of punk rocker GG Allin aiming to shed his own blood for Rock ‘n’ Roll to the religiously tinted narratives of Bruce Springsteen we come to find artists using religious references to color their artistic medium. A question arises: Could these utterances and narratives show a deeper meaning behind Rock ‘n’ Roll such that it can give individuals a way to obtain religious experience? This thesis aims at arguing for the ability of Rock ‘n’ Roll as having a way to incite feelings of religious experience and communitas. Through the usage of auto-ethnography coupled with subsidiary sources from academic to pop culture writers this thesis will investigate if such a creative form helps to enable individuals to experience transcendence and feelings of community while immersed in Rock ‘n’ Roll.
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Books on the topic "Tool turret"

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Sanayi devrimi yıllarında Osmanli saraylarında sanayi ve teknoloji araçları. İstanbul: Yapı Kredi Kültür Sanat Yayıncılık, 2004.

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Production and exchange of stone tools: Prehistoric obsidian in the Aegean. Cambridge [Cambridgeshire]: Cambridge University Press, 1986.

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John Bertram & Sons., ed. Canada tool works: Brass finishers' cabinet turret lathe ... [S.l: s.n., 1986.

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Turkey Hunter's Tool Kit: Shooting Savvy (Hunting & Shooting). Stoeger Publishing Company, 2003.

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Parker, Philip M. The 2007-2012 World Outlook for Holders for Special Tooling and Attachments for Box Tools, Tool Holders, Turrets, Rollers, and Other Screw and Automatic Machines. ICON Group International, Inc., 2006.

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The 2006-2011 World Outlook for Holders for Special Tooling and Attachments for Box Tools, Tool Holders, Turrets, Rollers, and Other Screw and Automatic Machines. Icon Group International, Inc., 2005.

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ICON, Group International Inc. The 2000 Import and Export Market for Metalworking Machine Tool Parts in Turkey. Icon Group International, 2001.

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Budina, Nina, and Sweder van Wijnbergen. Quantitative Approaches To Fiscal Sustainability Analysis : A New World Bank Tool Applied To Turkey. The World Bank, 2007. http://dx.doi.org/10.1596/1813-9450-4169.

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ICON, Group International Inc. The 2000 Import and Export Market for Agricultural Hand Tools in Turkey. Icon Group International, 2001.

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Inc, ICON Group International. 2000 Import and Export Market for Metal Cutting Machine Tools in Turkey. Icon Group International, 2001.

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Book chapters on the topic "Tool turret"

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Griesi, Donato, Maria Teresa Pazienza, and Armando Stellato. "Semantic Turkey: A Semantic Bookmarking Tool (System Description)." In Lecture Notes in Computer Science, 779–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-72667-8_56.

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Güneş, Şule. "Environmental Impact Assessment in Turkey: A Principal Environmental Management Tool." In Environmental Law and Policies in Turkey, 83–97. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36483-0_5.

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Sevin, Efe. "Public Diplomacy: The New Foreign Policy “Tool”." In Public Diplomacy and the Implementation of Foreign Policy in the US, Sweden and Turkey, 19–49. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49334-3_2.

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Marsh, R., and R. E. Schofield. "Establishing Effect of Machine Tool Errors on Accuracy of Turned Components." In Advances in Manufacturing Technology, 146–51. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4757-1355-8_20.

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Akçalı, Barış, Ergün Taşkın, Gökhan Kaman, Alper Evcen, and Hayati Çalık. "Posidonia oceanica monitoring system on the coast of Aegean Sea of Turkey." In Proceedings e report, 475–82. Florence: Firenze University Press, 2020. http://dx.doi.org/10.36253/978-88-5518-147-1.47.

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Seagrass monitoring is a basic tool for measuring the condition of meadows in parallel to the environmental conditions. Posidonia oceanica meadows are very sensitive to anthropogenic effects. In the present study, two monitoring stations of Posidonia oceanica meadows were established on the Aegean coasts of Turkey in the years 2018 and 2019, at 26 m depth in Ildır Bay (İzmir, Turkey), and at 33 m depth in Kara Ada (İzmir, Turkey). The P. oceanica meadows upper and lower limits were defined by balisage systems. In the laboratory, lepidochronological, morphometric, and phenological parameters were also studied.
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Shevitz, Betty Roffman, Marisa Stemple, Linda Barnes-Robinson, and Sue Jeweler. "How Do I Keep the Bright Turned On?" In 101 school success tools for smart kids with Learning Difficulties, 199–246. New York: Routledge, 2021. http://dx.doi.org/10.4324/9781003232551-5.

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Can, Barış. "Extended New Treasury Single Account: New Tool for Government Cash Management in Turkey." In Public Financial Management Reforms in Turkey: Progress and Challenges, Volume 2, 3–20. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4226-8_1.

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Wang, Jack Y., Chris M. Loma, Mitch K. Carswell, and Allison Stephens. "Methods of Using the Lifting Fatigue Failure Tool (LiFFT) as an Ergonomic Assessment Tool in the Commercial Production of Turkey Eggs." In Proceedings of the 21st Congress of the International Ergonomics Association (IEA 2021), 102–8. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74608-7_14.

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Liu, Min, XiaoLing Ding, YinFa Yan, and Xin Ci. "Study on Optimal Path Changing Tools in CNC Turret Typing Machine Based on Genetic Algorithm." In Computer and Computing Technologies in Agriculture IV, 345–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-18369-0_39.

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Kabak, Özgür, Didem Cinar, and Gulcin Yucel Hoge. "A Cumulative Belief Degree Approach for Prioritization of Energy Sources: Case of Turkey." In Assessment and Simulation Tools for Sustainable Energy Systems, 129–51. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5143-2_7.

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Conference papers on the topic "Tool turret"

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Fukuda, Ryo, Ririko Kiyooka, and Hideki Aoyama. "Development of Automatic System for Process Planning and NC Program Generation on Turning-Milling Machine Tool With Three Turrets." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70491.

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The objective of this study is to develop an automatic process planning and a numerical-control (NC) program generation system for free-form machining, using a turning-milling machine tool with multi-turrets. In this research, machining feature recognition was carried out based on the delta-volume decomposition to achieve process planning. This system can recognize machining features that include one free-form surface and can create a tool path for the free-form surface. A process plan candidate is generated via the assignment of machining features to each turret and the determination of the processing order of the machining features in each turret. The system generates many process plan candidates, and evaluates them based on the evaluation point of the user. In this research, the plan with the shortest machining time is selected. Next, the system automatically generates an NC program for each turret. Ultimately, a machining experiment using a turning-milling machine tool with three turrets was conducted to verify the usefulness of the system.
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Zhang, Ying-zhi, Rui Zheng, Gui-xiang Shen, Bing-kun Chen, and Shan Zheng. "Reliability analysis for CNC machine tool turret including abnormal data." In EM 2011). IEEE, 2011. http://dx.doi.org/10.1109/icieem.2011.6035356.

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Caille, François, Julien Prieur, and Naciri Mamoun. "New Insights in Turret Mooring Systems Yaw Dynamics." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24490.

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Owing to friction in the weathervaning system and in the swivel stack of a turret-moored FPSO, the turret can be locked to the FPSO in day-to-day environments meaning that no relative yaw motions occur in such conditions. When the FPSO yaws sufficiently, the mooring yaw restoring moment builds up to a point where the friction torque is overcome freeing within seconds the turret from the FPSO which then yaws back towards its neutral yaw position. This phenomenon is referred to as a turret release event. Evidence of the existence of such a phenomenon has been confirmed for one North Sea FPSO. In this paper, the basic physics of turret release are investigated from first principles. Incorporation of a friction module in a readily available time domain simulation software is described. Application of this enhanced tool towards a better understanding of the FPSO/Turret relative yaw motions & velocities during the FPSO service life is then discussed in the context of existing SBM Offshore turret systems.
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Hidding, William, Guillaume Bonnaffoux, and Mamoun Naciri. "Advanced Weathervaning in Ice." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49154.

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The reported presence of one third of remaining fossil reserves in the Arctic has sparked a lot of interest from energy companies. This has raised the necessity of developing specific engineering tools to design safely and accurately arctic-compliant offshore structures. The mooring system design of a turret-moored vessel in ice-infested waters is a clear example of such a key engineering tool. In the arctic region, a turret-moored vessel shall be designed to face many ice features: level ice, ice ridges or even icebergs. Regarding specifically level ice, a turret-moored vessel will tend to align her heading (to weather vane) with the ice sheet drift direction in order to decrease the mooring loads applied by this ice sheet. For a vessel already embedded in an ice sheet, a rapid change in the ice drift direction will suddenly increase the ice loads before the weathervaning occurs. This sudden increase in mooring loads may be a governing event for the turret-mooring system and should therefore be understood and simulated properly to ensure a safe design. The paper presents ADWICE (Advanced Weathervaning in ICE), an engineering tool dedicated to the calculation of the weathervaning of ship-shaped vessels in level ice. In ADWICE, the ice load formulation relies on the Croasdale model. Ice loads are calculated and applied to the vessel quasi-statically at each time step. The software also updates the hull waterline contour at each time step in order to calculate precisely the locations of contact between the hull and the ice sheet. Model tests of a turret-moored vessel have been performed in an ice basin. Validation of the simulated response is performed by comparison with model tests results in terms of weathervaning time, maximum mooring loads, and vessel motions.
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Bian, Sean, and Steve Leverette. "Motion of a Large Disconnectable Buoy Within FPSO Turret Moon-Pool." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24371.

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The disconnectable buoy turret mooring (BTM) for an FPSO has been a proven technology for areas where hurricane and seasonal cyclones are predominant, or are subject to ice features which need to be avoided. With the requirements of large buoy payload from deep water moorings and heavy risers, the disconnectable buoy size can be substantial. Recent projects are considering buoy net displacements well above 5000Te. The increased buoy size imposes large inertia loads on the supporting structure and mechanical connectors when connected, and possibly more so on the structural integrity and winching system during disconnect and reconnect operations. In order to provide structure design loads as well as to estimate safe operational windows and procedures, it is desirable to understand the physical properties of 2-body motions when the buoy and ship are close enough to have significant interactions. This paper focuses on the hydrodynamic and structural (Winch, Mooring/riser, Fender/bumper etc.) interactions with the buoy operating in close proximity to the turret. Since the readily available offshore engineering tools have limitations to deal with close body hydro-interaction, particularly with the presence of moon-pool resonances, rational approximations are derived for hydrodynamic forces during pull-in and disconnection of the buoy. To analyze fully coupled motions and loads in combined environmental conditions, a typical diffraction/convolution based numerical tool (AQWA) is extended by a custom defined external force function. This analysis allows simulating the real time motions during disconnect, reconnect, or at suspended elevations. Various findings from dedicated model tests and analyses are presented and discussed with implications for configuring and operating the disconnectable buoy system.
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Tsay, Der-Min, and Sheng-Yang Lin. "Generation of Globoidal Cam Surfaces With Conical Roller-Followers." In ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/detc2006-99683.

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Without solving any nonlinear contact equations usually encountered in traditional approaches, a relative simple, yet useful procedure to the profile determination of a globoidal cam with a conical roller-follower turret is presented. From the machining point of view for such a spatial cam cut by a conical milling/grinding tool by following its angular roller-follower turret motion, the surface geometry of the cam can be represented as the swept surfaces of the tool paths of the used cutter with a size equal to the conical roller-follower of the cam. To determine the swept surfaces of the conical tool paths, the pitch surface generated by the locus of the tool center is first identified. Subsequently, to locate the swept surfaces for the cam surfaces, the meshing vectors and meshing angles are then defined based on the pitch surface. To verify the feasibility and accuracy of the proposed procedure, both analytical formulations and numerical results are shown and compared to those obtained by an earlier technique based on the theory of screws.
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Pistani, Fabrizio, and Daniel Brooker. "A Novel Approach for Modelling a FPSO Riser Turret Mooring (RTM) System for Mooring Design." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23453.

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The design approach for the analysis of a riser turret mooring system (RTM) connected to a FPSO is presented here. The design was carried out with the use of numerical models developed with Ariane and Orcaflex software packages. Ariane has been used as a screening tool while the model developed with Orcaflex was used for detailed analysis. The succesful validation of the models against existing experimental tests helps to avoid the repetition of a model test campaign for design of new systems. An original solution to overcome the limitations of the mooring software Ariane has been developed and used for mooring analysis. This paper describes the development of the numerical models highlighting the original features, the validation with the model tests and discusses some of the main results.
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"MVL-MIN: A New Heuristic Minimization Tool for Multiple-Valued Logic Functions." In March 21-23, 2018 Istanbul (Turkey). Dignified Researchers Publication, 2018. http://dx.doi.org/10.17758/dirpub1.e0318012.

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de Vries, Igor, Bernard Molin, Alexandre Barbagallo, Alexandre Cinello, and Naciri Mamoun. "Design Aspects of Large Diameter Turret Systems: Part 1 — Moonpool Piston Mode." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24531.

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The maximum displacement of turret moored floating production and storage units (FPSO, FLNG) has been steadily increasing over the past decades and is likely to increase even further in the future. Furthermore, some of these turret moored units are designed to keep position in even the harshest of environments (e.g. 10,000-year storms) and very deep water (e.g. more than 2000m depth). As a consequence, the demands on the capacity of mooring systems are also increasing and larger turret sizes with relatively smaller chaintable openings result. The turret cylinder is neither completely open (due to strength considerations) nor completely closed (due to installation and inspection requirements). Therefore, the mass of water inside the turret will to a degree be forced to move with the turret, but also to a degree be able to enter and exit the turret. As a result, a combination of inertial, hydrostatic, and piston mode effects similar to those found in open moonpools can occur. An additional complicating factor is that the turret is surrounded by an open annular space which influences the flow of water around the turret bottom. Both piston mode and inertia of water inside the turret will impose additional loads on the turret and its support system. It is therefore imperative that these loads be taken into account in the design phase. A number of tools, both experimental and computational may be used to obtain estimates of loads. However, whichever method is chosen, a necessary step is to identify the natural periods of the piston mode taking place in the turret. Investigations, whether numerical or experimental, must obviously focus on these periods. In this paper, analytical, computational (CFD) and experimental methods to obtain natural piston mode periods of turret moonpools are described. The methods are applied to simplified, yet realistic, turret models. Results from these different methods are compared. Respective figures of merit are discussed.
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Hara, Keisuke, and Hiromi Isobe. "Surface Texturing Process by High Speed Ultrasonic Turning to Obtain Low Friction Surface." In JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/lemp2020-8603.

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Abstract Tribological properties such as lubrication, friction and wear resistance are important to improve machine operating efficiency, machine performances and machine life. To improve tribological properties of sliding surface, scraping is available. Scraping fabricates many small depression on target surface evenly, the depression will function oil hole which promote lubrication of flat bearing surface. Many researchers have reported the surface texturing method which aim is similar to scraping. For example, the techniques fast tool servo turning with diamond insert tool and turn mill processing by dual spindle turning center were reported to fabricate periodically micro dimple. However, these techniques employ expensive high precision machine tools. This paper introduces a more cheaply and rapidly surface texturing technique which employs ultrasonic vibration turning to obtain low friction surface and improve tribological properties. In ultrasonic turning, cutting tool tip is vibrated in principal direction and radial direction simultaneously origin from poisons deformation of ultrasonic transducer. The radial direction tool vibration functions to squeeze workpiece surface in workpiece radial direction periodically, textured surface will be obtained. The results of ultrasonic turning experiments, textured surfaces were obtained. In order to evaluate the tribological performance of the turned surface, friction coefficient between stainless steel pin and turned surface were measured under oil dipping condition. It was confirmed that friction coefficient of ultrasonic turned surface is drastically reduced compared with ordinary turned surface. And proposed technique is available to perform surface texturing for several materials.
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Reports on the topic "Tool turret"

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Demaestri, Edgardo C., Cynthia Moskovits, and Jimena Chiara. Management of Fiscal and Financial Risks Generated by PPPs: Conceptual Issues and Country Experiences. Inter-American Development Bank, December 2018. http://dx.doi.org/10.18235/0001470.

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This paper discusses the main issues concerning sovereign fiscal and financial risks from public–private partnerships (PPPs) with a focus on contingent liabilities (CLs). It is based on the presentations and discussions that took place during the XI Annual Meeting of the Group of Latin American and the Caribbean Debt Management Specialists (LAC Debt Group), held in Barbados in August 2015. The main issues discussed include PPP risks assessment, institutional framework for PPP risk management, and accounting and reporting of CLs generated by PPPs. Six country cases (Chile, Colombia, Costa Rica, Honduras, Suriname, and Turkey) are presented to illustrate experiences with different degrees of development regarding the management of risks and CLs related to PPPs. The document concludes that PPP risk management should encompass the whole lifecycle of a PPP project, risks need to be identified and CLs must be estimated and monitored, and the institutional capacity of governments to evaluate and manage PPP risks plays a central role in the successful development of PPP contracts. Although institutional capacities in this regard have improved in recent years, estimations of CLs involved in PPPs are not regularly performed, and there is still room for improvement on the assessment, measurement, registration, budgeting, and reporting of risks and CLs related to PPPs.
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