Relevant bibliographies by topics / Spur gears

Contents

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

Academic literature on the topic 'Spur gears'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Spur gears"

1

Ciupitu, Liviu. "Educational Model for the Kinematic Study of Non-Circular Gears." Applied Mechanics and Materials 332 (July 2013): 297–304. http://dx.doi.org/10.4028/www.scientific.net/amm.332.297.

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The noncircular gears are used more and more in industrial applications. The paper presents an educational test rig for the kinematic study of non-circular gears. Two gears are studied from kinematic theoretically point of view: a gear with identically oval spur gears and another gear with identically elliptical spur gears, and simulation diagrams are presented. As for the testing rig, a gear with identically oval spur gears has been used. The researchers are able to draw with high precision the variation curve of output angle with respect to input angle. By using numerical methods for integra
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Zhai, Guodong, Zhihao Liang, and Zihao Fu. "A Mathematical Model for Parametric Tooth Profile of Spur Gears." Mathematical Problems in Engineering 2020 (February 24, 2020): 1–12. http://dx.doi.org/10.1155/2020/7869315.

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Spur gears are widely used transmission components. In the traditional design process, the noninvolute part of the tooth profile curve is difficult to describe with mathematical equations. This article puts forward a new parametric modeling method, which can describe the modified involute part of spur gears and parameterize and optimize the transition part of the involute curve of the spur gear. And this model of the spur gear can be created by parameters which is input in Scilab software and the spur gear graphic can be completed correspondingly. The experiments show that this modeling method
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Manoj, Kumar, and Kumar Amit. "FINAL DRIVE TRANSMISSION SYSTEM: OPTIMAL DESIGN." International Journal For Technological Research In Engineering 9, no. 11 (2022): 26–32. https://doi.org/10.5281/zenodo.6889561.

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The goal of this project is to modify the drive transmission drive system of a 65 HP tractor. A spur planetary drive system is proposed, which has a number of advantages over the traditional cylindrical spur gear drive system. It has a high torque capacity, is smaller, more efficient, and weighs less. Because gears are one of the most important design elements, failure of one gear can have a significant impact on the entire drive system, which can be caused by stress, contact pressures, or temperature. Gears for spur planetary drives are constructed with safety criteria such as tooth root stre
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Yousef, Samy, T. A. Osman, M. Khattab, Ahmed A. Bahr, and Ahmed M. Youssef. "A New Design of the Universal Test Rig to Measure the Wear Characterizations of Polymer Acetal Gears (Spur, Helical, Bevel, and Worm)." Advances in Tribology 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/926918.

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This work aims to study the wear characterization of common types of acetal polymer gears (spur, helical, bevel, and worm) using a new TS universal test rig, in order to obtain reliable results and as a reference when compared with acetal nanocomposite gears later. The TS universal test rig consists of three different units that are connected by a main driver shaft and a pair of constantly meshing metal spur gears, which transfer power to the bevel and worm test units. The first unit is used to test the bevel gears, the second unit is used to test the spur and helical gears, and the third unit
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Ciornei, F.-C., S. Alaci, I.-C. Romanu, and I. Doroftei. "Proposed gear rack cutter for spur gear manufacturing by generating method. Part I: Theoretical and strength analysis arguments." IOP Conference Series: Materials Science and Engineering 1262, no. 1 (2022): 012042. http://dx.doi.org/10.1088/1757-899x/1262/1/012042.

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The paper presents the cutting by generating of spur gears using a rack cutter with a modified geometry. In order to find the geometry of the new spur gears, a proper programme has been developed. The geometry of this spur gear is compared with one of a gear with the same parameters but obtained with a standard rack cutter. The differences between the two gears are insignificant but the new tool has a simpler geometry and a higher durability.
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Zhuang, Wuhao, Lin Hua, Xinghui Han, and Liying Dong. "Distribution of Microstructure and Vickers Hardness in Spur Bevel Gear Formed by Cold Rotary Forging." Advances in Mechanical Engineering 6 (January 1, 2014): 809276. http://dx.doi.org/10.1155/2014/809276.

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Cold rotary forging is a novel metal forming technology which is widely used to produce the high performance gears. Investigating the microstructure and mechanical property of cold rotary forged gears has a great significance in improving their service performance. In this study, the grain morphology in different regions of the spur bevel gear which is processed by cold rotary forging is presented. And the distribution regulars of the grain deformation and Vickers hardness in the transverse and axial sections of the gear tooth are studied experimentally. A three-dimensional rigid-plastic FE mo
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Götz, Joshua, Sebastian Sepp, Michael Otto, and Karsten Stahl. "Low excitation spur gears with variable tip diameter." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 5 (2021): 1275–85. http://dx.doi.org/10.3397/in-2021-1799.

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One important source of noise in drive trains are transmissions. In numerous applications, it is necessary to use helical instead of spur gear stages due to increased noise requirements. Besides a superior excitation behaviour, helical gears also show additional disadvantageous effects (e.g. axial forces and tilting moments), which have to be taken into account in the design process. Thus, a low noise spur gear stage could simplify design and meet the requirements of modern mechanical drive trains. The authors explore the possibility of combining the low noise properties of helical gears with
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Lyashenko, Vyacheslav, and Diana Rudenko. "Modeling Deformation of Spur Gear." International Journal of Recent Technology and Applied Science 3, no. 2 (2021): 81–91. http://dx.doi.org/10.36079/lamintang.ijortas-0302.275.

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In The work considers 11 types of gears, features of their design and application. Analysis of gears designs is carried out, since shape of teeth directly affects process of teeth gearing, and this, in turn, affects load, which causes deformation of elements. 3D model of spur gear was created in ANSYS system. The work was limited by analyzing problem from point of view of gear wheels’ deformation, which were made of 40L carbon steel and carbon composite material. As a result, finite element modeling and analysis of gears using ANSYS system was carried out.
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Feng, Ji Ling, and Yi Qin. "Load Bearing Capacity Investigation and Coating Failure Mechanism for Coated Spur Gears." Applied Mechanics and Materials 446-447 (November 2013): 491–96. http://dx.doi.org/10.4028/www.scientific.net/amm.446-447.491.

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Spur gears are the most common type of gears for industry, due to its simple structures and low costs of manufacture. Under the complex loading conditions, failures can easily occur in the form of de-bonding, pitting, spalling or crushing of coating structures. Failure may originate from initiation of cracks, and its growth and propagation, however, basic failure mechanism is still not clear. In order to investigate the failure mechanism of coating structure failure for the spur gears, this paper presents some understandings about the coating damage at the teeth flank of a spur gear, based on
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Thomas, Benny, K. Sankaranarayansamy, S. Ramachandra, and Suresh Kumar S.P. "Selection of Pressure Angle based on Dynamic Effects in Asymmetric Spur Gear with Fixed Normal Contact Ratio." Defence Science Journal 69, no. 3 (2019): 303–10. http://dx.doi.org/10.14429/dsj.69.13636.

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Asymmetric spur gears are finding application in many fields including aerospace propulsion and automobile which demand unidirectional or relatively higher load on one side of the gear flank. Design intend to maximise the load carrying capacity of the drive side of asymmetric gear by increasing the pressure angle is achieved at the expense of coast side capacity. Multiple solution for coast to drive side pressure angle exist for a given contact ratio and each of these have relative merits and demerits. In the present work asymmetric spur gears of theoretically equal contact ratio as that of co
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Dissertations / Theses on the topic "Spur gears"

1

Flodin, Anders. "Wear of spur and helical gears." Doctoral thesis, KTH, Machine Design, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2986.

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Wang, Jiande. "Numerical and Experimental Analysis of Spur Gears in Mesh." Thesis, Curtin University, 2003. http://hdl.handle.net/20.500.11937/879.

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The investigation of numerical methods for modelling the mechanism properties of involute spur gears in mesh, over the mesh cycle, forms the major part of this thesis. Gearing is perhaps one of the most critical components in power transmission systems and the transmission error of gears in mesh is considered to be one of the main causes of gear noise and vibration. Numerous papers have been published on gear transmission error measurement and many investigations have been devoted to gear vibration analysis. There still, however, remains to be developed a general Finite Element Model capable o
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Case, Sarah S. "Instantaneous Kinematic Analyses of Spur and Helical Gear Pairs Having Runout and Wobble Errors." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523908436619245.

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Wang, Jiande. "Numerical and Experimental Analysis of Spur Gears in Mesh." Curtin University of Technology, Department of Mechanical Engineering, 2003. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=14464.

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The investigation of numerical methods for modelling the mechanism properties ofinvolute spur gears in mesh, over the mesh cycle, forms the major part of this thesis.Gearing is perhaps one of the most critical components in power transmission systemsand the transmission error of gears in mesh is considered to be one of the main causes ofgear noise and vibration. Numerous papers have been published on gear transmissionerror measurement and many investigations have been devoted to gear vibration analysis.There still, however, remains to be developed a general Finite Element Model capable ofpredi
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Ozturk, Fatih Mehmet. "Optimum Design Of Multistep Spur Gearbox." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606749/index.pdf.

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Optimum design of multistep gearbox, since many high-performance power transmission applications (e.g., automotive, space industry) require compact volume, has become an important interest area. This design application includes more complicated problems that are not taken into account while designing single stage gear drives. Design applications are generally made by trial and error methods depending on the experience and the intuition of the designer. In this study, using Visual Basic 6.0, an interactive program is developed for designing multistep involute standard and nonstandard spur gearb
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White, John. "The design and evaluation of polymer composite spur gears." Thesis, University of Birmingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.647446.

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Sadeghi, Mohammad Hossain. "Precision forging axisymmetric shapes, straight and helical spur gears." Thesis, University of Birmingham, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.712700.

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Xinmin, Li. "Efficiency and wear properties of spur gears made of powder metallurgy materials." Doctoral thesis, KTH, Maskinkonstruktion (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187446.

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Powder metallurgy (PM) is usually used in manufacturing parts with complex geometries, such as gears and structural parts. The main attractions of PM are the high rate of material utilization, environmental friendliness of production, economic advantages (especially for complex geometries), and possibility of obtaining lighter components. To find a wide range of applications and compete with regular steel gears, PM gear transmissions should have good transmission efficiency and wear properties. Furthermore, they should have low contact noise and adequate surface fatigue properties. Because of
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Steward, Julian Holmes. "Elastic analysis of load distribution in wide-faced spur gears." Thesis, University of Newcastle Upon Tyne, 1989. http://hdl.handle.net/10443/804.

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The load distribution across the contact line(s) of spur gears is essential for the gear designer to be able to accurately stress gears for a given application. Existing gear standards (eg BS 436, AGMA 218 DIN 3990) use a thin slice (2D) model of the meshing gear teeth to estimate the contact line load distribution. This approach clearly fails to model properly teeth subjected to mal-distributed loads, since the buttressing effect of adjacent tooth sections tends to flatten the load distribution. Non-linear tooth modifications such as crowning and some forms of lead correction are also inadequ
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Wright, Zachary Harrison. "Loaded Transmission Error Measurement System for Spur and Helical Gears." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1230916489.

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Books on the topic "Spur gears"

1

Townsend, Dennis P. Surface pitting fatigue life of noninvolute, low-contact-ratio gears. NASA, 1990.

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2

United States. Army Aviation Systems Command. and United States. National Aeronautics and Space Administration., eds. Surface pitting fatigue life of noninvolute, low-contact-ratio gears. NASA, 1990.

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V, Zaretsky Erwin, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Effect of five lubricants on life of AISI 9310 spur gears. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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V, Zaretsky Erwin, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, eds. Effect of five lubricants on life of AISI 9310 spur gears. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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V, Zaretsky Erwin, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Effect of five lubricants on life of AISI 9310 spur gears. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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6

L, Rubadeux K., Coe Harold H, United States. National Aeronautics and Space Administration., and U.S. Army Research Laboratory., eds. Bending strength model for internal spur gear teeth. National Aeronautics and Space Administration, 1995.

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7

Litvin, F. L. Spur gears: Optimal geometry, methods for generation and tooth contact analysis (TCA) program. National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.

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Courtney, Lloyd. Software for the design of spur gears. University College Dublin, 1997.

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N, Bamberger Eric, United States. Army Aviation Systems Command., and United States. National Aeronautics and Space Administration., eds. Surface fatigue life of M50NiL and AISI 9310 spur gears and R C bars. National Aeronautics and Space Administration, 1991.

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N, Bamberger Eric, United States. Army Aviation Systems Command., and United States. National Aeronautics and Space Administration., eds. Surface fatigue life of M50NiL and AISI 9310 spur gears and R C bars. National Aeronautics and Space Administration, 1991.

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Book chapters on the topic "Spur gears"

1

Errichello, Robert. "Spur Gears." In Encyclopedia of Tribology. Springer US, 2013. http://dx.doi.org/10.1007/978-0-387-92897-5_15.

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Rao, J. S. "Spur Gears." In Kinematics of Machinery Through HyperWorks. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1156-3_6.

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Manik, Dhanesh N. "Spur Gears." In Fundamentals of Mechanisms and Machines. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1810-8_3.

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Ugural, Ansel C. "Spur Gears." In Mechanical Engineering Design, 3rd ed. CRC Press, 2022. http://dx.doi.org/10.1201/9781003251378-14.

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Colbourne, J. R. "Gear Cutting I, Spur Gears." In The Geometry of Involute Gears. Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4764-7_6.

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Colbourne, J. R. "Tooth Stresses in Spur Gears." In The Geometry of Involute Gears. Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4764-7_12.

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Vullo, Vincenzo. "Interference Between External Spur Gears." In Springer Series in Solid and Structural Mechanics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36502-8_4.

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Vullo, Vincenzo. "Interference Between Internal Spur Gears." In Springer Series in Solid and Structural Mechanics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36502-8_5.

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Vullo, Vincenzo. "The Geometry of Involute Spur Gears." In Springer Series in Solid and Structural Mechanics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36502-8_2.

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Diez-Ibarbia, A., A. Fernández del Rincón, M. Iglesias, and F. Viadero. "Efficiency Analysis of Shifted Spur Gears." In New Advances in Mechanisms, Transmissions and Applications. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7485-8_9.

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Conference papers on the topic "Spur gears"

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Delgado, Irebert, and Michael Hurrell. "Experimental Investigation of Shrouding on Meshed Spur Gear Windage Power Loss." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12146.

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Windage power loss in high-speed gearboxes result in efficiency losses and increased heating due to drag on the gear teeth. Meshed spur gear windage power loss test results are presented at ambient oil inlet temperatures both with and without shrouding. The rate of windage power loss is observed to increase above 10,000 ft./min., gear surface speed, similar to results presented in the literature. Shrouding is observed to become more effective above 15,000 ft./min., decreasing power loss by 10% at 25,000 ft./min. The need for gearbox oil drain slots limits the effectiveness of shrouding on redu
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Delgado, Irebert, and Michael Hurrell. "The Jetting Phenomena in Meshed Spur Gears." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12869.

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Rotorcraft gearbox transmissions are required to efficiently transfer power from the turbine engine to the main and tail rotor blades. Losses in transmission efficiency impact mission payload and aircraft range. These systems are expected to deliver high power with high gear pitch line velocities. More recently, shrouding has been employed to reduce windage power losses associated with the high gear rotational speeds. However, recent experimental results from tests conducted by the authors show the negative impact of close clearance shrouds on windage power loss, particularly at the meshed reg
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Mirzayev, Huseyn, and Yusuf Şahin. "The New Design of an Elevator’s Door Mechanism." In The 12th International Conference on Fracture Fatigue and Wear. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-ya8xwv.

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In this article, the mechanism of moving the doors of a passenger elevator with a poly-V-belt drive is studied and their disadvantages are examined, and a new type of driven door movement mechanism is designed, manufactured and tested. In the proposed new design, instead of a two-stage poly V- belt transmission with a large gear ratio, a three-stage package of gear box with metal-polymer gears is preferred. Each pinions are made from steels while gears are made from polymers. It fundamentally consists only of two shafts and three stages spur gearings. Due to making the prototype of gear box wi
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Osakue, Edward E. "Simplified Spur Gear Design." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65426.

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A simplified design method (SDM) for spur gears is presented. The Hertz contact stress and Lewis root bending stress capacity models for spur gears have been reformulated and formatted into simplified forms. A scheme is suggested for estimating the AGMA J-factor in Lewis root bending stress for spur gears from a single curve for both pinion and gear instead of the conventional two curves. A service load factor is introduced in gear design that accounts for different conventional rated load modifier factors. It represents a magnification factor for the rated load in a gear design problem. Two d
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Nguyen, Tuan H. "Compact Design of High-Contact-Ratio Spur Gears." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23052.

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Abstract This study presents a computer simulation for the dynamic design of compact high-contact-ratio spur gear transmissions. High contact ratio gears have the potential to produce lower dynamic tooth loads and minimum root stress but they can be sensitive to tooth profile errors. The analysis presented in this work was performed by using the NASA gear dynamics code DANST (Dynamic Analysis of Spur Gear Transmissions). In the analysis, the addendum ratio (addendum/diametral pitch) was varied over the range 1.30 to 1.40 to obtain a contact ratio of 2.00 or higher. The constraints of bending s
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Tsay, Chung-Biau. "Computer Aided Design of Internal Involute Spur Gears." In ASME 1988 Design Technology Conferences. American Society of Mechanical Engineers, 1988. http://dx.doi.org/10.1115/detc1988-0046.

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Abstract The modern theory of gearing provides principles of generation for conjugate gear tooth surfaces while computer aided design is a very powerful tool in designing a gear train with conjugate shaped tooth surfaces. It is possible to set up a mathematical model for internal involute spur gears if the theory of gearing and the concept of differential geometry together with computer aided design technique have been applied. The derived mathematical model of internal involute spur gears can be used for computer simulation of conditions of meshing, tooth contact analysis, stress analysis, dy
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Yamanaka, Masashi, Shinji Miwa, Katsumi Inoue, and Yoshiki Kawasaki. "Bending Strength of Carburized Forged Spur Gear." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34882.

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This paper deals with the evaluation of influence of the manufacturing methods precision forging and conventional hobbing on the bending fatigue strength of carburized gears. The forging has advantages in productivity and strength. The forged gear has a continuous directed fiber flow which runs along the gear profile. To clarify the effect of strength enhancement, a bending fatigue test is performed for the forged and the hobbed gears. The material of test gears is SCr420H in the JIS and all gears are carburized. The electrohydraulic servo-controlled fatigue tester is used in the constant stre
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Cazan, Stelian, and Spiridon Creţu. "Tooth Contact Analysis of Spur and Helical Gears in Case of Shafts Deflections." In ASME 2024 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/detc2024-145079.

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Abstract The paper presents semi-analytical methods (SAMs) for determination of pressures distributions on the flank surfaces of spur and helical gears with both pinion and gear shafts deformed. In case of spur gear pair, a nonstandard gear pair was chosen. It is well known that the curvature of the tooth profile decreases when a negative correction of the gears is made, this thing leading to higher contact pressures and a decrease of durability. The SAMs starts from Hartnett’s approach based on Boussinesq equation from half-space theory of linear elasticity, which means implicitly an infinite
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Faggioni, M., F. Pellicano, A. Andrisano, and G. Bertacchi. "Dynamic Optimization of Spur Gears." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34658.

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This paper presents a global optimization method able to find gear profile modifications that minimize vibrations. A non linear dynamic model is used to study the vibrational behavior; the dynamic model is validated using data available in literature. The optimization method takes into account the influence of torque levels both on the static and the dynamic response. Therefore, two different objective functions are considered; the first one is based on static analysis and the second one is based on the dynamic behavior of a lumped mass system. The procedure can find the optimal profile modifi
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Yılmaz, Tufan Gürkan, Onur Can Kalay, Fatih Karpat, and Stephen Ekwaro-Osire. "Stress Analysis of Additive Manufactured Lightweight Spur Gears." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-73666.

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Abstract Additive manufacturing processes (AMP) have grown and spread in the last twenty years. Additive manufacturing methods, which were first used for plastic materials, are now increasingly finding a place in metals. With these methods, more lightweight component designs which cannot be generated with traditional methods can be manufactured. With the spreading of electric drive vehicles, weight reduction is becoming more important since weight is primarily responsible for energy consumption. There is a one-stage gear system in electric vehicles in general. For this reason, the subject of r
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Reports on the topic "Spur gears"

1

Coe, Harold H. Spur-Gear Optimization Using SPUROPT Computer Program. Defense Technical Information Center, 1991. http://dx.doi.org/10.21236/ada241379.

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Bibel, G. D., S. K. Reddy, M. Savage, and R. F. Handschuh. Effects of Rim Thickness on Spur Gear Bending Stress. Defense Technical Information Center, 1991. http://dx.doi.org/10.21236/ada239500.

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Riggs, Mark R., Stephen P. Berkebile, Adrian A. Hood, and Brian D. Dykas. Simulating Army-Relevant Spur Gear Contacts with a Ball-on-Disc Tribometer. Defense Technical Information Center, 2015. http://dx.doi.org/10.21236/ada622119.

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