Relevant bibliographies by topics / Automatic Tool Changer

Contents

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

Academic literature on the topic 'Automatic Tool Changer'

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

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Journal articles on the topic "Automatic Tool Changer"

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Li, Wei, Decheng Wang, and Peng Cheng. "Design and Research of Automatic Tool Changer System for Multistation Spring Forming Machine." Journal of Robotics 2020 (December 1, 2020): 1–9. http://dx.doi.org/10.1155/2020/4635056.

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Currently, the spring machine tool is fixed by means of manual clamping and positioning by bolts. The automation of the tool change is low, and the accurate value of the tool position cannot be determined. The automatic tool change system for spring machine was designed by using the standard functional parts of the automatic tool change system of the machining center. It mainly includes the design of the automatic loose clamp device and that of the multispindle automatic tool change arm. After static analysis, the deformation of the automatic tool change arm is 0.153 mm, which satisfies the requirements for usage. Kinematic analysis of the designed automatic tool change arm was carried out. After actual verification, the designed automatic tool change system of spring machine realizes the functions of the tools automatic replacement and positioning of the spring machine, which improves the automation of the spring forming equipment.
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Lu, Xiao Hong, Peng Zhuo Han, Wen Yi Wu, and Wei Jie. "Reliability Evaluation of Circular Tool Magazine and Automatic Tool Changer." Advanced Materials Research 630 (December 2012): 245–48. http://dx.doi.org/10.4028/www.scientific.net/amr.630.245.

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Tool magazine and automatic tool changer is important parts to fulfill the machining center tool reserve and automatic changing of the spindle tool. The reliability of them directly affects the performance of the host. But recently there are no researches on the reliability evaluation methods, so considering this situation, the reliability evaluation researches on CNC machine tools and their main parts at home and abroad are analyzed and concluded. Combining the collected failure data of the circular tool magazine and automatic tool changer, use MTBF (Mean Time between Failures), MTTR (Mean Time To Repair) and the inherent availability index to realize the reliability evaluation of the circular tool magazine and automatic tool changer. Thus put forward a method to study the reliability evaluation of circular tool magazine and automatic tool changer.
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Obreja, Claudiu, Gheorghe Stan, Dragoș Andrioaia, and Marian Funaru. "Design of an Automatic Tool Changer System for Milling Machining Centers." Applied Mechanics and Materials 371 (August 2013): 69–73. http://dx.doi.org/10.4028/www.scientific.net/amm.371.69.

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In the field of manufacturing processes it is observed that the trend is to produce more and more fast, efficiently parts with high complexity, which involves using a high number of tools in the machining process. One of the main solutions for high speed and efficient manufacturing is based on the full automation of the entire manufacturing process. The automatic changing of the tools involved in the manufacturing process is carried out by the automatic tool changing mechanism, thus the auxiliary non-productive time consumed with the tool change is highly minimized. In this paper we present a novel automatic tool changer which is both simple and compact, and any milling machining center provided with chain or disc tool magazine can be equipped with. Also by adopting the use of this tool changing mechanism other subassemblies of the tool changing system, such as the tool transfer mechanism and the waiting position, are substituted by this changing mechanism. The auxiliary movements needed to bring the tool from the magazine into the waiting position are overlapped with the machining time, so that the total time for exchanging the tool in the spindle with the tool from the magazine is minimized.
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Lee, Sungcheul, Seung-Kook Ro, and Jong-Kweon Park. "Development of Automatic Tool Changer of SMA Tool Holder." Journal of the Korean Society of Manufacturing Technology Engineers 25, no. 1 (February 15, 2016): 1–6. http://dx.doi.org/10.7735/ksmte.2016.25.1.1.

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Dong, Hai Yang, Yan Heng Zhang, Yan Sheng Li, Han Xu Sun, and Yun Zou. "The Performance Analysis of Vertical Automatic Tool Changer System." Applied Mechanics and Materials 226-228 (November 2012): 672–76. http://dx.doi.org/10.4028/www.scientific.net/amm.226-228.672.

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In this paper, we take the vertical tool changer device as an example to study the reliability of the manipulator in the heavy tool case. Firstly, introduce the structure of the vertical tool changer device, and do a simple instruction for the functions of the main components; Secondly, analyze the mechanical properties of the manipulator theoretically, find out the maximum force in the tool changer processing and build a virtual platform of the automatic tool changer to simulate the processing and test the performance of the tool changer; Finally, analyze the performance of the manipulator by finite element method in the heavy tool case. The analysis result shows that the maximum stress is less than the allowable stress: when the manipulator grasps heavy tool, so it is safe in the tool changer processing.
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Obreja, Claudiu, Gheorghe Stan, Lucian Adrian Mihaila, and Marius Pascu. "Application of Tree Graph Method for Reducing the Total Time of Tool Changing in Milling and Boring Machine Tools." Applied Mechanics and Materials 371 (August 2013): 431–35. http://dx.doi.org/10.4028/www.scientific.net/amm.371.431.

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With a view of increasing the productivity on CNC machine tools one of the main solution is to reduce, as much as possible, the auxiliary time consumed with the set-up and replacement of the tools and work pieces engaged in the machining process. Reducing the total time of the tool changing process by the automatic tool changer system can be also achieved through minimizing the number of movements needed for the actual exchange of the tool, from the tool magazine to the machine spindle (the optimization of the tool changing sequences). This paper presents a new design method based on the tree-graph theory. We consider an existing automatic tool changing system, mounted on the milling and boring machining centre, and by applying the new method we obtain all the possible configurations to minimize the tool changing sequence of the automatic tool changer system. By making use of the method proposed we obtain the tool changing sequences with minimum necessary movements needed to exchange the tool. Reconfiguring an existing machine tool provided with an automatic tool changer system by making use of the proposed method leads to obtaining the smallest changing time and thus high productivity.
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Li, Yan Sheng, Yan Heng Zhang, Han Xu Sun, Hai Yang Dong, and Shun Li Zhao. "An Improved Design of the Manipulator on Automatic Tool Changer." Advanced Materials Research 591-593 (November 2012): 259–62. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.259.

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The tool falling and vibration faults often occur in the process of tool changing, In order to improve the stability of the tools on automatic tool changer, a new structure of the manipulator is presented. The new manipulator contains two-point locking instead of the original one-point locking, and the tools can be clamped more tightly. When the old manipulator is slotting the tool, the forces are analyzed, and the working load and parameters is determined by calculating and analyzing the output curve of manipulator. The three-dimensional model is built in ADMS, and the validity of the new designed manipulator is verified by the simulation in a limit state. The simulation result shows that the new manipulator can increase the ability of tool clamping effectively.
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Liu, Guanglei, Tomohisa Tanaka, and Yoshio Saito. "A Study on Miniature Automatic Tool Changer for Desktop Machine Tool." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2007.4 (2007): 9C333. http://dx.doi.org/10.1299/jsmelem.2007.4.9c333.

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Yan, Yi Long, Yan Chao Yin, Zhuang Xiong, and Lei Wu. "The Simulation and Optimization of Chain Tool Magazine Automatic Tool Change Process." Advanced Materials Research 834-836 (October 2013): 1758–61. http://dx.doi.org/10.4028/www.scientific.net/amr.834-836.1758.

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In order to ensure processing quality and validate the accurary of macro program. VERICUT software was often used to achieve five-axis gantry milling machine automatic tool changer (ATC) of the whole process simulation.The results show that the validity of macro program is verified by NC simulation and the efficiency of NC simulation is improved. It provides a guide for the modeling and simulation of multi-axis CNC machine tools.
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Zhang, Yue Ming, Bo Jin Yang, Zhe Wang, Hong Ming Mu, and Yu Yang. "The Research of the Tool Magazine Control System Based on PLC." Advanced Materials Research 912-914 (April 2014): 1017–21. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.1017.

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The tool magazine and automatic tool changer are important functional components, which actual performance affects the efficiency of machining center directly. BT50-32L produced by ZhongHuan (Group) is the research object in this paper, it introduces the application of the control system from aspects of the design of overall program, the control of tool magazine and automatic tool changer. The core of the tool magazine control system is PLC, which can select the nearest tool and achieve the control of tool position, the flip of tool holder and the tool changer of manipulator during the operation. The communication of PC HMI and PLC achieve the simulation and control of the operational status. This system is certified to meet the application requirements with the stable performance, simple structure, easy operation and the rapid and accurate action.
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Dissertations / Theses on the topic "Automatic Tool Changer"

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Rydlo, Andrej. "Automatická výměna nástrojů - napichovací rameno." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417764.

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Adressed topic of the thesis is automatic tool change in industrial machining. Core work is done on construction design of automatic tool changer. Designed manipulator grabs the tool by linear movement and is meant to be used with unspecified horizontal machining centre. Individual working cells include design of grippers, extending motion of the arm, rotary motion of the arm and linear motion of the whole manipulator. Essential part of the thesis are technical calculations and simulations.
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Pavlík, Jan. "Problematika rychlé automatické výměny nástrojů u obráběcích strojů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-233983.

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This dissertation thesis is focused on the problem of the Automatic Tool Change for milling centers, which is recently shown as a very current topic. The content of this work is to conduct a comprehensive research of various types of ATC depending on the type of machine, as well as research of the current tool interface relating closely with these problems. There was made a comprehensive analysis on the basis of data obtained by comprehensive research, from which both the main factors affecting this topic and the area dealed and developed by this work resulted. The most problematic area of machinery used nowdays for the Atomatic Tool Change was detected as manipulator provided the exchange between spindle and tool storage. Kinematic structure and design of individual elements affects very significantly the dynamics of the whole process of exchange of tools. Therefore, the work is focused on problematic of the manipulator. The main results of this thesis are constructional design of several types of manipulators, which were partly realized within the project 1.2.4 of Brno department of RCMT in the form of the testing stands. There was developed simulation models for selected types of manipulators which were verificated by measuring on the real stand. On the basis of abovementioned problem there was identified another key issue related not only to the exchange process but also with complex problem of service life of spindle. It is a grab force in the process of picking tools. The work outlines the possibilities for further research of these forces on the service file of spindle (especially on service life of bering groups of spindle).
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Láznička, Petr. "Manipulační nástrojová jednotka." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232125.

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The thesis is focus on design solutions of automatic tool changer for CNC vertical milling machine SLV 300 in cooperation with the design company IMC/Engineering s. r. o. The main goal of theses is the creation of several design variants based on the critical research of similar machinery and the subsequent choice of the most appropriate solution. The assessment of the various options is done with amount of the changes caused on the existing design of the machine. It is essential the suitability of the solution from the perspective of the customer's company SolidVision s. r. o. Design solution is being designed for the possibility of a presentation device with unique features in its class, which is meant to be a simple maintenance free design with the possibility of easy service access For the chosen solution of the automatic tool changer are by calculation verified by the most exposed part of the device. In the thesis is also design documentation, for a better understand of the design solution.
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Frémund, Libor. "Návrh manipulace s nástroji." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229410.

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The aim of this work is to design tools to the manipulator, unspecified metal-working machine. The proposal consists of a selection of the optimal design nodes and their functional calculations. The work also includes structural model in 3D view created in Autodesk Inventor 2010. All calculations and procedures are in accordance with current standards.
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Fiebiger, Radek. "Manipulátor nástrojů pro svislý zásobník nástrojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229184.

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The aim of this thesis is to design different variants, choose an optimal one and the constructional solution of a tool manipulator for vertical lathe from SKG line by TOS HULÍN a.s. This thesis also includes technical and economical report. There is a solution of a basic conception, main dimensions, functional calculations and calculations of rigidity of chosen parts of this manipulator. All computations and methods are in accord with valid standards.
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Rapčan, Ján. "Zásobník a výměník nástrojů frézovacího multifunkčního obráběcího centra s vodorovnou osou vřetena." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400997.

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The thesis deals with automatic tool change in milling multifunctional machining center with horizontal spindle axis. It describes the systems that are currently in use and their base division. The first part of the work is common. In this part of the thesis is a machine design with its parameters. The second part is independent, deals with the design of the exchanger and tool magazine together with their design solution.
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Jež, Jan. "Vícevřetenový vřeteník a zásobník nástrojů pro obráběcí centrum." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-449711.

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Woolsey, Roy B. "AUTOMATIC TOOLS FOR TELEMETRY TEST RANGE SPECTRUM MANAGEMENT." International Foundation for Telemetering, 2000. http://hdl.handle.net/10150/606489.

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International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California
Automatic spectrum management and monitoring systems are very useful to manage frequencies at test ranges and assure interference-free transmission of telemetry signals. Spectrum management systems assign telemetry frequencies using database information on available and occupied channels and analysis tools which can determine whether a data link will support telemetry. Modern, DSP-based spectrum monitoring systems, in fixed or mobile configurations, automate the process of performing spectrum occupancy to verify clear channels and identify and locate sources of interference; they are integrated with and utilize the management system database. Such systems are important to assure reliable communications channels for telemetry.
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Zbožínek, Adam. "Konstrukce multifunkčního obráběcího centra." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229839.

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The master´s thesis describes basic notions in the domain of automatic tools exchange of machining centres. It describes systems which are used today and their basic division. The practical part deals with the construction of the system of automatic exchange of tools for multifunction lathe centre.
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Merenus, Ondřej. "Multifunkční obráběcí centrum pro rotační i nerotační obrobky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231336.

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This thesis will focus on a design of multifunctional machining center. The work is created in cooperation with two colleagues. Michal Kunorza will design a rotary table and Tomáš Grëtz will design a machine spindle with automatic tool exchange. My part of the work will focus on design of linear tool axis. The result of this cooperation should be machining center for rotary and non-rotary workpieces.
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Books on the topic "Automatic Tool Changer"

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Agents of change: Managing the introduction of automated tools. Englewood Cliffs, NJ: Yourdon Press, 1989.

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Office, General Accounting. Export controls: Change in export licensing jurisdiction for two sensitive dual-use items : report to congressional requesters. Washington, D.C: The Office, 1997.

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Panneervel, P. E-Governance ; A Change Management Tool. Rawat Publications, 2005.

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Agents of Change: Managing the Introduction of Automated Tools. Pearson Education, Limited, 1989.

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New Tools for New Times the Workflow P. Future Strategies Inc, 1994.

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Gábos, András, and István György Tóth. Recession, Recovery, and Regime Change: Effects on Child Poverty in Hungary. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198797968.003.0006.

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Despite high spending on family benefits and the high poverty reduction effectiveness of cash benefits, the risk of child poverty in Hungary have been higher than the EU average since the early 1990s in which the relatively high share of children in very low work-intensity households played a significant role. The crisis period brought an even higher poverty risk for children. According to the chapter’s findings, the increase in child poverty in the first phase of the crisis was driven by labour market processes (an increasing share of children in low work-intensity households), while the automatic stabilizers reduced the magnitude of these effects. By contrast, in the second phase, labour market processes started to improve (although mainly through controversial policy tools, like public work and outward migration), though the shift towards a regressive social policy regime contributed to increased poverty rates via the reduced poverty reduction impacts of cash benefits.
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New tools for new times, the workflow paradigm: The impact of information technology on business process reengineering. Alameda, Calif: Future Strategies, 1994.

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Knight, Andrew P. Innovations in unobtrusive methods. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198796978.003.0004.

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Andrew P. Knight explores developments in unobtrusive research methods using unconventional sources of data from computer-based systems and tools. These generate novel measures of behaviour based on the digital trace data that we all generate, online access to public and personal archives, wearable sensors, and the automatic coding of text, and audio and video recordings. Smartphones and wristbands are just two of the growing range of connected devices that are capable of capturing and sharing multimedia information in real-time. Devices such as these offer new ways in which researchers can gather data at low cost, avoiding reactance effects, allowing the study of how phenomena change over time, and expanding the scale of research, given the wide dissemination of the technology. Before adopting these methods, researchers need to consider whether they have the expertise, and the ethical issues raised by using information (which may be in the public domain) without informed consent.
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Campbell, John L. Economy and Class. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190872434.003.0003.

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Chapter 3 begins by showing how long-term trends in the economy beginning in the late 1960s and early 1970s, notably stagflation, automation, globalization, and increased international competition, caused working- and middle-class wage stagnation, rising inequality, and mounting levels of personal debt in America. These in turn caused many Americans to worry that the American Dream was slipping out of reach and that the chances for upward mobility were evaporating into thin air. They were right. This is a story of the decline of America’s postwar Golden Age of prosperity. Trump took advantage of this by promising to be the best jobs-creating president God ever put on Earth and claiming that his economic program would boost economic growth beyond what most economists believed was possible.
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Aspden, Richard, and Jenny Gregory. Morphology. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199668847.003.0011.

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The study of joint morphology can help us to understand the risk factors for osteoarthritis (OA), how it progresses, and aids in developing imaging biomarkers for study of the disease. OA results in gross structural changes in affected joints. Growth of osteophytes, deformation of joint components, and loss of joint space where cartilage has broken down are all characteristics of the disorder. Certain bone shapes as well as malalignment predispose people to future OA, or may be a marker for early OA. Geometrical measures, such as the alpha angle or Wiberg’s CE angle, used to be the primary tool for investigating morphology. In recent years, however, statistical shape modelling (SSM) has become increasingly popular. SSM can be used with any imaging modality and has been successfully applied to a number of musculoskeletal conditions. It uses sets of landmark points denoting the anatomy of one or more bones to generate new variables (modes) that describe and quantify the shape variation in a set of images via principal components analysis. With the aid of automated search algorithms for point placement, the use of SSMs is expanding and provides a valuable and versatile tool for exploration of bone and joint morphometry. Whilst the majority of research has focused on hip and knee OA, this chapter provides an overview of joint morphology through the whole skeleton and how it has helped our ability to understand and quantify the risk and progression of osteoarthritis.
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Book chapters on the topic "Automatic Tool Changer"

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Cong, Ming, Jing Liu, and Quanpu Li. "A Novel Dual-Cam Linkage Drive Automatic Tool Changer for Horizontal Machining Center." In Intelligent Robotics and Applications, 368–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-88518-4_40.

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Van Hung, Pham, Nguyen Van Khoa, Nguyen Van Quyen, and Nguyen Thuy Duong. "Study of the Effect of Friction on the Errors of the Stopping Position of the Automatic Tool Changer on CNC Machine Under Variable Relative Humidity Conditions." In Proceedings of the 2nd Annual International Conference on Material, Machines and Methods for Sustainable Development (MMMS2020), 396–404. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69610-8_56.

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Trajkovski, S. "Automatic Tool Changers for NC Machining Centres." In Toward the Factory of the Future, 95–100. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-82580-4_19.

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Oliveira, Denílson Cursino, and Raimir Holanda Filho. "An IT Change Management Tool to Optimize Scheduling and Planning." In Technological Developments in Networking, Education and Automation, 399–403. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9151-2_70.

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Varga, Stefan, Joel Brynielsson, Andreas Horndahl, and Magnus Rosell. "Automated Text Analysis for Intelligence Purposes: A Psychological Operations Case Study." In Lecture Notes in Social Networks, 221–51. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41251-7_9.

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Abstract With the availability of an abundance of data through the Internet, the premises to solve some intelligence analysis tasks have changed for the better. The study presented herein sets out to examine whether and how a data-driven approach can contribute to solve intelligence tasks. During a full day observational study, an ordinary military intelligence unit was divided into two uniform teams. Each team was independently asked to solve the same realistic intelligence analysis task. Both teams were allowed to use their ordinary set of tools, but in addition one team was also given access to a novel text analysis prototype tool specifically designed to support data-driven intelligence analysis of social media data. The results, obtained from the case study with a high ecological validity, suggest that the prototype tool provided valuable insights by bringing forth information from a more diverse set of sources, specifically from private citizens that would not have been easily discovered otherwise. Also, regardless of its objective contribution, the capabilities and the usage of the tool were embraced and subjectively perceived as useful by all involved analysts.
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Dhanawade, Dhanesh, Nilesh Vijay Sabnis, and Pankaj Gavali. "Tool Changer Selection for the Robot to Attach and Detach the End of Arm Tooling." In Proceedings of International Conference on Intelligent Manufacturing and Automation, 367–74. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4485-9_38.

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Fung, Nick L. S., Sahar Kokaly, Alessio Di Sandro, Rick Salay, and Marsha Chechik. "MMINT-A: A Tool for Automated Change Impact Assessment on Assurance Cases." In Developments in Language Theory, 60–70. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99229-7_7.

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Hillemacher, Steffen, Nicolas Jäckel, Christopher Kugler, Philipp Orth, David Schmalzing, and Louis Wachtmeister. "Artifact-Based Analysis for the Development of Collaborative Embedded Systems." In Model-Based Engineering of Collaborative Embedded Systems, 315–31. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-62136-0_17.

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AbstractOne of the major challenges of heterogeneous tool environments is the management of different artifacts and their relationships. Artifacts can be interdependent in many ways, but dependencies are not always obvious. Furthermore, different artifact types are highly heterogeneous, which makes tracing and analyzing their dependencies complicated. As development projects are subject to constant change, references to other artifacts can become outdated. Artifact modeling tackles these challenges by making the artifacts and relationships explicit and providing a means of automated analysis. We present a methodology for artifact-based analysis that enables analysis of heterogeneous tool environments for architectural properties, inconsistencies, and optimizations.
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Wan, Qian, Li Wang, and Guowei Ma. "Adaptable Tool-Path Planning Method for 3D Concrete Printing Based on the Mapping Method." In Proceedings of the 2020 DigitalFUTURES, 255–64. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4400-6_24.

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Abstract3D concrete printing (3DCP) has been successfully and widely applied in the fields of civil structure, infrastructure, architectural decoration etc.,due to its unique advantages of automation and flexibility, and has shown great potential for development. One of the key steps in the execution of 3DCP is the tool-path planning process. However, 3DCP typically utilize the flowable composite materials which changes with time, and it is easy to induce interface joints or filling defects due to uneven path distribution when constructing the irregular-shaped construction. To solve the problem of printing path planning in 3DCP, this paper proposes tool-path planning based on mapping method, which integrates the rheology and necessary continuity of concrete materials into the printing process parameters, improves the mutual adaptability of printing process and material characteristics, improves the continuity of printing, the compactness of filling, and then ensures the stability and durability of printing structure.
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Aliee, Hananeh, Michael Glaß, Faramarz Khosravi, and Jürgen Teich. "Uncertainty-Aware Compositional System-Level Reliability Analysis." In Dependable Embedded Systems, 457–77. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52017-5_19.

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AbstractContinuous technology scaling has increased the susceptibility of today’s electronic devices to manufacturing tolerances and environmental changes. The resulting uncertainty in component reliability can be only approximated or estimated at design time and might propagate to system level. Therefore, uncertainty must be considered to enable the design of robust systems. In this chapter, we propose a methodology for cross-level reliability analysis to tame the ever increasing analysis complexity of contemporary systems under the influence of uncertainties. The presented methodology combines various reliability analysis techniques across different levels of abstraction while providing an explicit modeling of uncertainties. It introduces mechanisms for (a) the composition and decomposition of the system during analysis and (b) converting analysis data between different levels of abstraction through adapters. The developed analysis techniques are integrated in an automatic electronic system-level reliability analysis tool to allow for the evaluation of reliability-increasing techniques and for DSE!. The tool thereby uses meta-heuristic algorithms for optimization and enables the comparison of system implementation candidates with objectives represented by uncertainty distributions.
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Conference papers on the topic "Automatic Tool Changer"

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Neitzel, Mattias, Ulrich Schmucker, and Mikhail Zubtsov. "Automatic Tool Changer for SPMs." In 2008 8th IEEE Conference on Nanotechnology (NANO). IEEE, 2008. http://dx.doi.org/10.1109/nano.2008.253.

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Borgstrom, Robert. "Automatic tool changer for laser machining centers." In Optical Tools for Manufacturing and Advanced Automation, edited by Bruce G. Batchelor, Susan Snell Solomon, and Frederick M. Waltz. SPIE, 1993. http://dx.doi.org/10.1117/12.150299.

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Yang Tao, Li Chao-jian, Hou Shou-quan, Ji Xue-jun, and Li Wei. "Design and study of control system of automatic tool changer." In 2011 International Conference on Electric Information and Control Engineering (ICEICE). IEEE, 2011. http://dx.doi.org/10.1109/iceice.2011.5777674.

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Gyimothy, David, and Andras Toth. "Experimental evaluation of a novel automatic service robot tool changer." In 2011 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM). IEEE, 2011. http://dx.doi.org/10.1109/aim.2011.6027122.

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Tian, Hailong, Zhaojun Yang, Chuanhai Chen, Yuhui Jia, Yang Li, Dong Zhu, and Jingyan Guo. "Study on operational reliability of tool magazine and automatic tool changer based on tool-pulling force." In 2017 2nd International Conference on System Reliability and Safety (ICSRS). IEEE, 2017. http://dx.doi.org/10.1109/icsrs.2017.8272820.

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Yan, Hong-Sen, and Fu-Chen Chen. "A Methodology for the Configuration Synthesis of Machining Centers With Automatic Tool Changer." In ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/mech-1577.

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Abstract The purpose of this paper is to present a design methodology for the configuration synthesis of machining centers with automatic tool changer to meet the required topology and motion characteristics. According to the concept of coordinate systems, graph theory, generalization, specialization, and motion synthesis, this design methodology is proposed and computerized, and the machining centers with automatic tool changer up to eight links are synthesized. As the result, for the machining centers with drum type tool magazine, the numbers of configurations of machining centers with 6, 7, and 8 links are 2, 13, and 20, respectively. And, for the machining centers with linear type tool magazine, the numbers of configurations of machining centers with 5, 6, 7, and 8 links are 1, 5, 20, and 60, respectively. Furthermore, this work provides a systematic approach for synthesizing spatial open-type mechanisms with topology and motion requirements.
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Jinan, Gu, and Niu Junyan. "Research on the structure and PLC control of a new automatic tool changer." In 2011 International Conference on Consumer Electronics, Communications and Networks (CECNet). IEEE, 2011. http://dx.doi.org/10.1109/cecnet.2011.5768620.

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Liu, Jianbo, Dragan Djurdjanovic, and Jun Ni. "Identification and Anomaly Detection for PLC Controlled Automatic Tool Changer Using Timed Petri Net." In ASME 2007 International Manufacturing Science and Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/msec2007-31222.

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In this paper, a new method is proposed for incremental identification of Programmable Logic Controller (PLC) controlled tool changing process using available binary event logs obtained from the PLC. The identified discrete event model identified takes the form of a modified Timed Petri Net (TPN). A real time anomaly detection system is then constructed by synchronizing the identified TPN model with the actual tool changing process through the event sequence. Any discrepancies between the model and actual system are recognized as anomalies. The test results show that the diagnostic system automatically constructed using the newly proposed procedure is able to detect anomalies, such as incorrect timing and illegal event sequence. The same procedure has been successfully applied to monitor other PLC controlled automation processes.
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Rogelio, Jayson P., and Renann G. Baldovino. "Development of an automatic tool changer (ATC) system for the 3-axis computer numerically-controlled (CNC) router machine: Support program for the productivity and competitiveness of the metals and engineering industries." In 2014 International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (HNICEM). IEEE, 2014. http://dx.doi.org/10.1109/hnicem.2014.7016234.

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Yan, Hong-Sen, Chih-Wen Yiou, Fu-Chen Chen, and Paul Chang. "On the Classification of Automatic Tool Changers for Machining Centers." 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/detc1995-0122.

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Abstract This paper presents a seven-code system for the classification of automatic tool changers for machining centers according to their complexity. The first code is the types of tool magazines. The second code is the relative positions of the tool magazine and the spindle. The third code is the types of tool change mechanisms. The fourth code is the types of motion for grasping tools. The fifth code is the types of insertion and extraction of tools. The sixth code is the types of motion of changing tools. The last code is the positions of the spindle. Several examples are given to demonstrate the applications.
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Reports on the topic "Automatic Tool Changer"

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Gates, Allison, Michelle Gates, Shannon Sim, Sarah A. Elliott, Jennifer Pillay, and Lisa Hartling. Creating Efficiencies in the Extraction of Data From Randomized Trials: A Prospective Evaluation of a Machine Learning and Text Mining Tool. Agency for Healthcare Research and Quality (AHRQ), August 2021. http://dx.doi.org/10.23970/ahrqepcmethodscreatingefficiencies.

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Background. Machine learning tools that semi-automate data extraction may create efficiencies in systematic review production. We prospectively evaluated an online machine learning and text mining tool’s ability to (a) automatically extract data elements from randomized trials, and (b) save time compared with manual extraction and verification. Methods. For 75 randomized trials published in 2017, we manually extracted and verified data for 21 unique data elements. We uploaded the randomized trials to ExaCT, an online machine learning and text mining tool, and quantified performance by evaluating the tool’s ability to identify the reporting of data elements (reported or not reported), and the relevance of the extracted sentences, fragments, and overall solutions. For each randomized trial, we measured the time to complete manual extraction and verification, and to review and amend the data extracted by ExaCT (simulating semi-automated data extraction). We summarized the relevance of the extractions for each data element using counts and proportions, and calculated the median and interquartile range (IQR) across data elements. We calculated the median (IQR) time for manual and semiautomated data extraction, and overall time savings. Results. The tool identified the reporting (reported or not reported) of data elements with median (IQR) 91 percent (75% to 99%) accuracy. Performance was perfect for four data elements: eligibility criteria, enrolment end date, control arm, and primary outcome(s). Among the top five sentences for each data element at least one sentence was relevant in a median (IQR) 88 percent (83% to 99%) of cases. Performance was perfect for four data elements: funding number, registration number, enrolment start date, and route of administration. Among a median (IQR) 90 percent (86% to 96%) of relevant sentences, pertinent fragments had been highlighted by the system; exact matches were unreliable (median (IQR) 52 percent [32% to 73%]). A median 48 percent of solutions were fully correct, but performance varied greatly across data elements (IQR 21% to 71%). Using ExaCT to assist the first reviewer resulted in a modest time savings compared with manual extraction by a single reviewer (17.9 vs. 21.6 hours total extraction time across 75 randomized trials). Conclusions. Using ExaCT to assist with data extraction resulted in modest gains in efficiency compared with manual extraction. The tool was reliable for identifying the reporting of most data elements. The tool’s ability to identify at least one relevant sentence and highlight pertinent fragments was generally good, but changes to sentence selection and/or highlighting were often required.
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Webb, Philip, and Sarah Fletcher. Unsettled Issues on Human-Robot Collaboration and Automation in Aerospace Manufacturing. SAE International, November 2020. http://dx.doi.org/10.4271/epr2020024.

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This SAE EDGE™ Research Report builds a comprehensive picture of the current state-of-the-art of human-robot applications, identifying key issues to unlock the technology’s potential. It brings together views of recognized thought leaders to understand and deconstruct the myths and realities of human- robot collaboration, and how it could eventually have the impact envisaged by many. Current thinking suggests that the emerging technology of human-robot collaboration provides an ideal solution, combining the flexibility and skill of human operators with the precision, repeatability, and reliability of robots. Yet, the topic tends to generate intense reactions ranging from a “brave new future” for aircraft manufacturing and assembly, to workers living in fear of a robot invasion and lost jobs. It is widely acknowledged that the application of robotics and automation in aerospace manufacturing is significantly lower than might be expected. Reasons include product variability, size, design philosophy, and relatively low volumes. Also, the occasional reticence due to a history of past false starts plays a role too. Unsettled Issues on Human-Robot Collaboration and Automation in Aerospace Manufacturing goes deep into the core questions that really matter so the necessary step changes can move the industry forward.
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Ghanipoor Machiani, Sahar, Aryan Sohrabi, and Arash Jahangiri. Impact of Regular and Narrow AV-Exclusive Lanes on Manual Driver Behavior. Mineta Transportation Institute, October 2020. http://dx.doi.org/10.31979/mti.2020.1922.

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This study attempts to answer the question of how a narrow (9-ft) lane dedicated to Automated Vehicles (AVs) would affect the behavior of drivers in the adjacent lane to the right. To this end, a custom driving simulator environment was designed mimicking the Interstate 15 smart corridor in San Diego. A group of participants was assigned to drive next to the simulated 9-ft narrow lane while a control group was assigned to drive next to a regular 12-ft AV lane. Driver behavior was analyzed by measuring the mean lane position, mean speed, and mental effort (self-reported/subjective measure). In addition to AV lane width, the experimental design took into consideration AV headway, gender, and right lane traffic to investigate possible interaction effects. The results showed no significant differences in the speed and mental effort of drivers while indicating significant differences in lane positioning. Although the overall effect of AV lane width was not significant, there were some significant interaction effects between lane width and other factors (i.e., driver gender and presence of traffic on the next regular lane to the right). Across all the significant interactions, there was no case in which those factors stayed constant while AV lane width changed between the groups, indicating that the significant difference stemmed from the other factors rather than the lane width. However, the trend observed was that drivers driving next to the 12-ft lane had better lane centering compared to the 9ft lane. The analysis also showed that while in general female drivers tended to drive further away from the 9-ft lane and performed worse in terms of lane centering, they performed better than male drivers when right-lane traffic was present. This study contributes to understanding the behavioral impacts of infrastructure adaptation to AVs on non-AV drivers.
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