Relevant bibliographies by topics / Gear and Bearing Design

Contents

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

Academic literature on the topic 'Gear and Bearing Design'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Gear and Bearing Design"

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Savage, M., S. B. Lattime, J. A. Kimmel, and H. H. Coe. "Optimal Design of Compact Spur Gear Reductions." Journal of Mechanical Design 116, no. 3 (1994): 690–96. http://dx.doi.org/10.1115/1.2919437.

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The optimal design of compact spur gear reductions includes the selection of bearing and shaft proportions in addition to the gear mesh parameters. Designs for single mesh spur gear reductions are based on optimization of system life, system volume, and system weight including gears, support shafts, and the four bearings. The overall optimization allows component properties to interact, yielding the best composite design. A modified feasible directions search algorithm directs the optimization through a continuous design space. Interpolated polynomials expand the discrete bearing properties an
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Surnis, Prathmesh. "Design and Analysis of 2-Stage Gearbox for ATV Applications." International Journal for Research in Applied Science and Engineering Technology 9, no. 9 (2021): 2193–210. http://dx.doi.org/10.22214/ijraset.2021.38326.

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Abstract: The main objective of this project is to design and develop a 2-Stage- Reduction gearbox for all terrain vehicles application. Gearbox is a mechanical unit consisting of series of gears within a housing (casing) or a simple gear train. It is the main component of the powertrain system as it provides speed and torque conversions from the Engine or CVT to the wheels. The gears inside of gearbox can be any one of a number of different types of the gear that are available in the market i.e., from spur gears to worm gears and planetary gears as well. In this report the gearbox is made fro
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Singh, Avinash. "Influence of Planetary Needle Bearings on the Performance of Single and Double Pinion Planetary Systems." Journal of Mechanical Design 129, no. 1 (2006): 85–94. http://dx.doi.org/10.1115/1.2359472.

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Planetary gears are widely used in automotive and aerospace applications. Due to demands for greater power density, these gearsets often operate at extremely high stress levels. This has caused system level influences once considered secondary to become critical to the success of planetary gears. One such system level effect that has been largely overlooked is the influence of support structures like planetary needle bearings. There are interactions between the gear distributed loads and the resulting bearing loads and deflections that have implications for both gear and bearing designs. Also,
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Hagemann, Thomas, Huanhuan Ding, Esther Radtke, and Hubert Schwarze. "Operating Behavior of Sliding Planet Gear Bearings for Wind Turbine Gearbox Applications—Part II: Impact of Structure Deformation." Lubricants 9, no. 10 (2021): 98. http://dx.doi.org/10.3390/lubricants9100098.

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The use of planetary gear stages intends to increase power density in drive trains of rotating machinery. Due to lightweight requirements on this type of machine elements, structures are comparably flexible while mechanical loads are high. This study investigates the impact of structure deformation on sliding planet gear bearings applied in the planetary stages of wind turbine gearboxes with helical gears. It focuses on three main objectives: (i) development of a procedure for the time-efficient thermo-elasto-hydrodynamic (TEHD) analysis of sliding planet gear bearing; (ii) understanding of th
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DUDA, Henryk, and Bogdan WARDA. "EFFECT OF STRAIGHT-LINE MECHANISM DESIGN ON THE LOAD DISTRIBUTION IN A CYCLOIDAL GEAR." Tribologia 279, no. 3 (2018): 35–42. http://dx.doi.org/10.5604/01.3001.0012.7009.

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In the cycloidal gear, the torque is transmitted to the planet gears via an eccentric shaft with central bearings mounted on it. A straight-line mechanism is used to output the torque from the planet gears to the output shaft, a mechanism which consists of rotational sleeves mounted on the pins rigidly connected to the output shaft disc. These sleeves roll off in the holes of the planetary wheel. The forces generated in the straight-line mechanism affect the distribution of forces in the cycloid gearing and the amount of force loading the central bearing. The article presents the influence of
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Moldovan, Cristian, and Carmen Sticlaru. "Performance Analysis of Polymer Additive Manufactured Gear Bearings." Applied Sciences 13, no. 22 (2023): 12383. http://dx.doi.org/10.3390/app132212383.

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Bearings in general, and in this case rotational bearings, are important elements in many machines. The main objective of this study was to find out the load-bearing capacity of 3D-printed gear bearings under various rotational speeds, test the bearings to failure and estimate their lifetime. An interesting note on the gear bearing is its uncommon geometric configuration, because the rolling elements are gears, which allows for a rolling-sliding motion between the constituting elements, minimizing the sliding effect. The material used is PLA (poly lactic acid), a common thermoplastic polyester
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Zhou, Shihua, Zhaohui Ren, Guiqiu Song, and Bangchun Wen. "Dynamic Characteristics Analysis of the Coupled Lateral-Torsional Vibration with Spur Gear System." International Journal of Rotating Machinery 2015 (2015): 1–14. http://dx.doi.org/10.1155/2015/371408.

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A sixteen-degree-of-freedom (16-DOF) lumped parameter dynamic model taking into account the gravity, eccentricity, bearing clearance, transmission error, and coupled lateral-torsional vibration is established. Based on the dynamical equation, the dynamic behaviors of the spur gear rotor bearing system are investigated by using Runge-Kutta method. The research focuses on the effect of rotational speed, eccentricity, and bearing clearance and nonlinear response of the coupled multibody dynamics is presented by vibration waveform, spectrum, and 3D frequency spectrum. The results show that the rot
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Tsimba, Wayne, Gibson Chirinda, and Stephen Matope. "MACHINE LEARNING FOR DECISION-MAKING IN THE REMANUFACTURING OF WORN-OUT GEARS AND BEARINGS." South African Journal of Industrial Engineering 32, no. 2 (2021): 135–50. http://dx.doi.org/10.7166/32-3-2636.

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Mechanical industries use rotating mechanical equipment in their day to day operations. The equipment suffers from wear and tear, and is usually discarded as scrap. But is there a way to recover some of this equipment and reuse it? This paper uses machine learning to capture and analyse the wearing damage of bearings and gears to determine whether they can be redeemed. Finite element analysis is conducted on worn-out spur gears and pillow bearings in order to facilitate feature extraction in image processing algorithms. This converts the actual gears, bearings, and seals into CAD files. The de
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Zhou, Yang, Bowen Che, and Ci Yuan. "The design and analysis of a high-speed circular arc gear pump journal bearing." Advances in Mechanical Engineering 10, no. 12 (2018): 168781401881928. http://dx.doi.org/10.1177/1687814018819288.

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A series of problems arise when a gear pump operates at high speed, including instability of the rotor, deformation of the chamber, and wear of the journal bearing. Among all failure modes, journal bearing wear is the most serious. The wear of journal bearings of a circular arc gear pump that operates at high speed is thus presented in this article. A journal bearing that offsets the unbalanced radial force is designed by analysis of the fluid and determination of eccentricity of the gear shaft. Experiments show that the wear of the new journal bearing is effectively reduced.
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Shuai, Mo, Ma Shuai, Jin Guoguang, Gong Jiabei, Zhang Ting, and Zhu Shengping. "Design principle and modeling method of asymmetric involute internal helical gears." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 1 (2018): 244–55. http://dx.doi.org/10.1177/0954406218756443.

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In the field of mechanical engineering, involute helical gears are widely used. Compared with the involute spur gear, helical gears have a high bearing strength, more smooth transmission, less impact and less noise. The internal gear pairs have the features of large transmission ratio, low vibration, low noise and low wear and hence are widely used in planetary gear transmission systems. In order to meet the requirements of high strength, high speed of the modern gear transmission systems, a new type of asymmetric involute internal helical gears is designed based on conventional involute gears
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Dissertations / Theses on the topic "Gear and Bearing Design"

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Li, Yawei, and Yuanzhe Wu. "Design of a cycloid reducer : Planetary stage design, shaft design, bearing design, bearing selection, and design of shaft related parts." Thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-19758.

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The RV reducer (one tpye of cycloid reducer) which has two stage transmissions is widely used in manyfields of engineering. This project is going to design the first stage of the RV reducer, as well as therelated components. The details contain design of input shaft, planetary gears, output shaft, generalbearings and eccentric bearings. The fatigue analysis is mostly used in the calculation process becausethe fatigue failure happens frequently in such rotation machine. In the same time, the general bearingsdesign is based on SKF General Catalogue and the eccentric bearings design is supported
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Richter-Allen, Astrid. "Testing and analysis of a novel spur gear design using double integral bearing raceways." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/39392.

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Kráčmar, Tomáš. "Konstrukce vřeten vícevřetenového soustružnického automatu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241713.

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This master‘s thesis contains a design of multi-spindle automatic lathe spindles for the work of the rods maximum diameter of 7 mm. The work deals with a new concept of the drive spindle, where the spindles are driven by external asynchronous motor through the gears with internal teeth attached to the outside of the spindle drum instead of the current method of driven by central coaxial shaft. The thesis research of multi-spindle lathes including a description of the main nodes, design, strength calculations, bearing durability and a simulation model for simulation acceleration and load drives
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Gurkan, Niyazi Ersan. "Non-linear Mathematical Modeling Of Gear Rotor Bearing Systems Including Bearing Clearance." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606798/index.pdf.

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ABSTRACT NON-LINEAR MATHEMATICAL MODELING OF GEAR-ROTOR-BEARING SYSTEMS INCLUDING BEARING CLEARANCE G&Uuml<br>RKAN, Niyazi Ersan M.S. Department of Mechanical Engineering Supervisor: Prof. Dr. H. Nevzat &Ouml<br>ZG&Uuml<br>VEN November 2005, 130 pages In this study, a non-linear mathematical model of gear-rotor systems which consists of elastic shafts on elastic bearings with clearance and coupled by a non-linear gear mesh interface is developed. The mathematical model and the software (NLGRD 2.0) developed in a previous study is extended to include the non-linear effects due to bearing c
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Hua, Xia. "Hypoid and Spiral Bevel Gear Dynamics with Emphasis on Gear-Shaft-Bearing Structural Analysis." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1289944847.

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Wang, Hong. "MACHINE HEALTH MONITORING OF ROTOR-BEARING-GEAR TRANSMISSION SYSTEM." University of Akron / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=akron1133281063.

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Pavelka, Radomil. "Pohon vřeten pětivřetenového soustružnického automatu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231522.

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The subject of the thesis is design of independent spindle drive for multi-spindle automatic lathe MORI-SAY TMZ 520 CNC manufactured by TAJMAC-ZPS. The thesis will introduce the representatives of manufacturing program of TAJMAC-ZPS multi-spindle automatic lathes division and there will be a brief description of their main constructional parts. The main objective of the thesis is an engineering design of testing device which will be bulit for verification of the correct drive concept. There is also many calculations and detailed description of the engineering design. The testing device is made
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Zulkefli, Zamir Aimaduddin Bin. "MITIGATION OF GEAR MESH-FREQUENCY VIBRATIONS UTILIZING A HYDROSTATIC BEARING." Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1354902949.

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Stilwell, Alex William. "An Experimental Study of Power Losses of Full-complement Needle Bearings of Planetary Gear Sets." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337360042.

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Wu, Ruiwei. "IDENTIFICATION OF BEARING AND GEAR TOOTH DAMAGES FROM EXPERIMENTAL VIBRATION SIGNATURES." University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1190191032.

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Books on the topic "Gear and Bearing Design"

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United States. National Aeronautics and Space Administration., ed. Planetary-gear-support bearing test rig design. SKF Industries, 1985.

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United States. National Aeronautics and Space Administration., ed. Planetary-gear-support bearing test rig design. SKF Industries, 1985.

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United States. National Aeronautics and Space Administration, ed. Planetary-gear-support bearing test rig design. SKF Industries, 1985.

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Litvin, F. L. Computerized design and generation of gear drives with a localized bearing contact and a low level of transmission errors. National Aeronautics and Space Administration, 1996.

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United States. National Aeronautics and Space Administration., ed. Computerized Design And Generation Of Gear Drives With A Localized Bearing Contact And A Low Level Of Transmission Errors... NASA-TM-107250... Mar. 7, 1997. s.n., 1998.

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Development, North Atlantic Treaty Organization Advisory Group for Aerospace Research and. Landing gear design loads. AGARD, 1990.

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1936-, Sinha B. P., and Davies S. R. 1925-, eds. Load bearing brickwork design. E. Horwood, 1987.

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Radzevich, Stephen P., and Michael Storchak, eds. Advances in Gear Theory and Gear Cutting Tool Design. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92262-7.

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Vanderplaats, Garret N. Gear optimization. National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.

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author, Parker Robert G., and National Renewable Energy Laboratory (U.S.), eds. Rolling element bearing stiffness matrix determination. National Renewable Energy Laboratory, 2014.

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Book chapters on the topic "Gear and Bearing Design"

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Wedeven, Lavern D., William F. Black, Graham G. Wedeven, Eric W. Reitelbach, and Anita F. Patterson. "Tribology-by-Design for Bearing and Gear Steel Tribology." In Bearing and Transmission Steels Technology. ASTM International, 2024. http://dx.doi.org/10.1520/stp164920230017.

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Brassitos, Elias, and Constantinos Mavroidis. "Kinematics Analysis and Design Considerations of the Gear Bearing Drive." In Advances in Mechanisms, Robotics and Design Education and Research. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00398-6_12.

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Mignot-Pasty, Raphaël, Lionel Roucoules, François Malburet, and Olivier Honnorat. "Framework for the Dynamic Modeling of a Helicopter Planetary Gear Train with Gear or Bearing Defect." In Advances on Mechanics, Design Engineering and Manufacturing IV. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-15928-2_46.

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Chernets, Myron V., Serge V. Shil’ko, and Victor E. Starzhinsky. "Estimation of Bearing Capacity and Wear Resistance of Spur Gear Meshing Taking into Account Tooth Profile Correction and Sliding Friction Coefficient." In New Approaches to Gear Design and Production. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34945-5_10.

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Tesker, Efim I. "Improvement of Methods of Design and Analysis of Load-Carrying Capacity of Case-Hardened Cageless Bearing Units for Power Drives of Mobile Machines." In New Approaches to Gear Design and Production. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34945-5_21.

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Brill, D. R., E. H. Guo, and L. Ricalde. "Critical Stresses for Thickness Design of Rigid Pavement Slabs Subjected to Multiple-Axle Heavy Aircraft Gear Loads." In Bearing Capacity of Roads, Railways and Airfields. CRC Press, 2021. http://dx.doi.org/10.1201/9781003078814-34.

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Klingelnberg, Jan. "Design." In Bevel Gear. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_3.

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Radzevich, Stephen P. "Gear Tooth Design." In Dudley's Handbook of Practical Gear Design and Manufacture, 4th ed. CRC Press, 2021. http://dx.doi.org/10.1201/9781003126881-4.

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Radzevich, Stephen P. "Gear-Design Trends." In Dudley's Handbook of Practical Gear Design and Manufacture, 4th ed. CRC Press, 2021. http://dx.doi.org/10.1201/9781003126881-2.

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Kapelevich, Alexander L. "Gear Manufacturing Essentials." In Direct Gear Design, 2nd ed. CRC Press, 2021. http://dx.doi.org/10.1201/9781003171485-9-9.

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Conference papers on the topic "Gear and Bearing Design"

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Mathur, Tanmay, Hans DeSmidt, Edward Smith, and Robert Bill. "Design of a High Power Density Pericyclic Drive Prototype for Testing at NASA Glenn Transmission Test Facility." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12855.

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The focus of this work is to integrate component level design analyses developed for different machine elements of a twin Pericyclic drive into a comprehensive design decisions framework. The integrated system loads, bearing loads, and tooth contact analysis procedure is used for designing a prototype for minimum weight within the constraints posed by assembly, component life, and system efficiency. Simultaneous sizing of the gears, bearings and shafts was performed for given input power, speed, and reduction ratio. The effect of inertial loads due to nutational gear motion is significant on s
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Cameron, Zachary, Edward Smith, Hans DeSmidt, and Robert Bill. "Design Space Exploration of Pericyclic Transmission with Counterbalance and Bearing Load Analysis." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12857.

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The pericyclic transmission provides the opportunity to vastly impact transmission design in rotorcraft due to its ability to provide exceedingly high reduction ratios in a single stage that would normally require multiple gear stages. This could lead to lighter transmissions with fewer components, increased reliability, efficiency, speed and decreased cost to maintain. While many previous studies have focused upon the gearing within the pericyclic transmission, this work focused on what influences pericyclic geometry, and how changes in geometry impact bearing loads. Specifically, the loading
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Gündüz, Aydın, Zihni Sarıbay, Sinan Yılmaz, and Emre Kaynar. "Mathematical Modeling and Internal Clearance Optimization of Helicopter High Speed Bearing Systems Considering Temperature Variations." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10246.

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In this work, a comprehensive analytical model is established to study the performance of the bearings of a helicopter high speed input gear shaft. The high speed shaft, rotating above 15,000 rpm, transmits power to the second stage through a bevel gear that is straddle mounted by a duplex ball bearing and a cylindrical roller bearing. The effects of centrifugal forces, the change of bearing internal clearances due to interference fits and uneven thermal expansions are considered in the outlined approach. Then the influence of temperature elevations (that may arise due to inadequate cooling) o
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Wedeven, Lavern, Jason Fetty, Steve Kratz, Graham Wedeven, Robert Homan, and Douglas Kratz. "Gear and Bearing Tribology Contact Simulation for Advanced Propulsion and Drive Systems." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12858.

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The development of a Wedeven Associates Machine (WAMmp) for micro-pitting utilizes an advanced gearbox design and other support components to apply high loads and precision surface velocities while measuring traction under incipient sliding conditions. It is intended to evaluate oil and material pairs for specific performance characteristics related to high cycle fatigue and micropitting. Testing and modeling from WAMmp data creates the opportunity to predict the performance of bearing/gear materials, surface processing, and lubricants during the component design phase. Wedeven Associates, Inc
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Özgüven, H. Nevzat, and Melek Yalçintaş. "Effect of Operating Speed in Diagnosis of Gear Faults." In ASME 1991 Design Technical Conferences. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/detc1991-0380.

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Abstract This paper presents the effect of the operational speed of gears on the vibration signals measured at bearings for gear fault diagnosis purposes.The information available in literature is usually for relatively low speeds of gears. As it is very difficult to study experimentally the vibration of high speed gears with controlled specific gear faults, computer simulation is used in this work. Nonlinear dynamic analysis program developed in an earlier study is used in simulating the dynamic behavior of spur gears with several different gear faults, and an FFT algorithm is used to generat
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Savage, M., S. B. Lattime, J. A. Kimmel, and H. H. Coe. "Optimal Design of Compact Spur Gear Reductions." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0048.

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Abstract The optimal design of compact spur gear reductions includes the selection of bearing and shaft proportions in addition to the gear mesh parameters. Designs for single mesh spur gear reductions are based on optimization of system life, system volume, and system weight including gears, support shafts, and the four bearings. The overall optimization allows component properties to interact, yielding the best composite design. A modified feasible directions search algorithm directs the optimization through a continuous design space. Interpolated polynomials expand the discrete bearing prop
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Farge`re, Romain, and Philippe Velex. "Some Simulations of Gear–Journal Bearing Interactions." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47228.

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This article deals with the static and dynamic interactions between journal bearings and gears in mechanical transmissions. The proposed approach combines classic lumped parameter and shaft elements, a specific wide-faced spur or helical gear model and external bearing forces. Bearing reactions are determined based on the linearized and non-linear solution to the Reynolds equation for short bearings. The corresponding parametrically excited non-linear state equations are solved by inserting a Newton-Raphson’s method and a unilateral normal contact algorithm into a Newmark’s time-step integrati
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Lahmar, F., and P. Velex. "Simulations of Gear-Rolling Element Bearing Interactions in Geared Transmissions." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/ptg-48040.

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The modular model of geared systems presented in this paper makes it possible to simultaneously account for the contact conditions in gears and rolling element bearings. Gears are modeled as two rigid cylinders connected by distributed mesh stiffnesses while ball and roller bearings contribute to the equations of motion as time-varying, non-linear external forces. Solutions are obtained by combining a Newmark time-step integration scheme, a Newton-Raphson method for ball bearing non-linearity and a normal contact algorithm that deals with the contact problem between the teeth. It is found that
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Suzuki, Atsushi, Takayuki Aoyama, Noboru Sugiura, Mizuho Inagaki, and Takashi Shimizu. "Influence of Bearing Clearance on Load Sharing in Planetary Gears." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47622.

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Load sharing among plural pinions in planetary gears should be equal to reduce gear noise and to secure the strength of the gears and bearings. This study investigates the influence of bearing clearance on load sharing using multibody dynamics analysis. One of the characteristics of this analysis is its capability to calculate dynamic gear meshes and bearing clearance nonlinearity. Contact analysis of the gears defines the tooth surface expressed by numerical formula involving modified surface geometry. Moreover, nonlinear stiffness is used to express the bearing clearance. The numerical metho
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Fernandez del Rincon, Alfonso, Fernando Viadero Rueda, Miguel Iglesias Santamaria, Pablo Garcia Fernandez, Ana de-Juan de Luna, and Ramon Sancibrian Herrera. "Load Effects on the Dynamics of Spur Gear Transmissions." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-25090.

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Gear transmissions in general and spur gears in particular exhibit a different dynamic behavior depending on the level of the transmitted load. This fact justifies the interest in the study of the role of the load in gear dynamics not only in the context of design, vibration and noise control but also for condition monitoring. This task requires the development of advanced models achieving a compromise between accuracy and computation time. In this work, gear and bearing non-linearities associated with the contact among teeth and roller elements have been included, taking into account the flex
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Reports on the topic "Gear and Bearing Design"

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Litvin, Faydor L., Ningxin Chen, Jui-Sheng Chen, Jian Lu, and Robert R. Handschuh. Computerized Design and Generation of Low-Noise Gears With Localized Bearing Contact. Defense Technical Information Center, 1994. http://dx.doi.org/10.21236/ada298086.

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Robinson, W. Full-scale evaluation of multi-axial geogrids in road applications. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/43549.

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The U.S. Army Engineer Research and Development Center (ERDC) constructed a full-scale unsurfaced test section to evaluate the performance of two prototype geogrids, referred to as NX950 and NX750, in road applications. The test section consisted of a 10-in.-thick crushed aggregate surface layer placed over a very weak 2 California Bearing Ratio (CBR) clay subgrade. Simulated truck traffic was applied using one of ERDC’s specially designed load carts outfitted with a single-axle dual wheel truck gear. Rutting performance and instrumentation response data were monitored at multiple traffic inte
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LaBerge, Kelsen E., Eric C. Ames, and Brian D. Dykas. Detection of Naturally Occurring Gear and Bearing Faults in a Helicopter Drivetrain. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada598286.

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Sen, J. K. Advanced Technology Landing Gear. Volume 1 Design. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada227196.

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Layton, Ryan. Telemetry and H-Gear Engineering Hardware Design and Delivery Standards. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1497927.

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Iverson, James, and Donald Pfeiffer. Criteria for Design of Bearing Pads. Precast/Prestressed Concrete Institute, 2022. http://dx.doi.org/10.15554/tr-4-85.

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This report is based on a research study conducted by Wiss, Janney, Elstner Associates, Inc., including both site surveys and testing of bearing pads used in building construction. Recommendations are given for design of various types of pads.
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Wang, Yiyu. Load-bearing System Design for Law Enforcement. Iowa State University, 2021. http://dx.doi.org/10.31274/cc-20240624-964.

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Kaneko, Yutaka, Kazutaka Adachi, Kimio Kanai, and Yoshimasa Ochi. Design of a Gear Ratio Servo Control System for Toroidal Continuously Variable Transmission. SAE International, 2005. http://dx.doi.org/10.4271/2005-08-0040.

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Keller, Jon, Jesse Graeter, Jason Roadman, and Miles Skinner. Instrumentation for the Investigation of Pitch Bearing Design and Reliability. Office of Scientific and Technical Information (OSTI), 2024. http://dx.doi.org/10.2172/2335356.

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Harris, T., J. H. Rumbarger, and C. P. Butterfield. Wind Turbine Design Guideline DG03: Yaw and Pitch Rolling Bearing Life. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/969722.

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