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Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference - 2007 - VOLUME 7 10th International Power Transmission and Gearing Conference presented at 2007 ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE SEPTEMBER 4-7, 2007 LAS VEGAS, NEVADA USA sponsored by THE DESIGN ENGINEERING DIVISION, ASME THE COMPUTERS AND INFORMATION IN ENGINEERING DIVISION, ASME ASME Three Park Avenue New York, N.Y. 10016
Transcript
Page 1: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

Proceedings of the

ASME International Design Engineering

Technical Conferences and

Computers and Information in

Engineering Conference

- 2007 -

VOLUME 7

10th International Power Transmission

and Gearing Conference

presented at

2007 ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND

COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE

SEPTEMBER 4-7, 2007

LAS VEGAS, NEVADA USA

sponsored byTHE DESIGN ENGINEERING DIVISION, ASME

THE COMPUTERS AND INFORMATION IN ENGINEERING DIVISION, ASME

ASME

Three Park Avenue New York, N.Y. 10016

Page 2: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

CONTENTS

10TH ASME INTERNATIONAL POWER TRANSMISSION AND

GEARING CONFERENCE

Introduction 1

GEAR DESIGN AND ANALYSIS

DETC2007-34013 3

Reduction of Sensitivity of Spiral Bevel Gears to Misalignments by the Use of AppropriateMachine Tool Settings

Vilmos V. Simon

DETC2007-34024 13

New Approach to the Local Synthesis of Spiral Bevel Gears

Vasiliy V. Akimov, Sergey A. Lagutin, and Andrey E. Volkov

DETC2007-34027 19

Application and Investigation of Modified Helical Gears With Several Types of Geometry

Ignacio Gonzalez-Perez, Alfonso Fuentes, Faydor L Litvin, Kenichi Hayasaka, and

Kenji Yukishima

DETC2007-34029 29

Modeling Shape Errors of Worm Gears

Istvan Groma and Tibor Bercsey

DETC2007-34032 39

Effect of Preshaved Form and Cutter Performance in Plunge Cut ShavingShimpei Nakada and Ichiro Moriwaki

DETC2007-34035 47

Mathematical Model for Parametric Tooth Surface of Cylindrical Gears Based on

Kinematics SynthesisCarlos Garcia-Masia and Juan D. Morillas-Alvarez

DETC2007-34038 57

Determination of Basic Machine-Tool Settings for Generation of Spiral Bevel Gears

From Blank Data

Alfonso Fuentes, Ignacio Gonzalez-Perez, Faydor L. Litvin, Kenichi Hayasaka, and

Kenji Yukishima

DETC2007-34048 69

Profile Shifted Conical Involute Gear With Deep Tooth DepthTatsuya Ohmachi, Atsushi Uchino, Hidenori Komatsubara, Makoto Saito, Kohei Saiki,

and Ken-lchi Mitome

DETC2007-34052 79

Synthesis of Hypoid Gear Surface Topography by a Nonlinear Least Squares ApproachA. Artoni, M. Gabiccini, and M. Guiggiani

ix

Page 3: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-34057 89

Development of a Dynamometer to Study the Performance of Plastic Gears

Mike Cassata, Martin Morris, and Jorge Abanto-Bueno

DETC2007-34059 95

Investigation of the Meshing Conditions of a Flat Wheel Harmonic Gear Drive

Robert Krisch

DETC2007-34064 99

Measurement of Tooth Pair Deflections With Ultra High Resolution Encoders and

Prediction of Transmission Error Under Load in High Precision

Syuhei Kurokawa and Yasutsune Ariura

DETC2007-34084 109

Optimum Tooth-Surface Modification for Axis-Displaced Involute Helical Gear Drive With

Parallel Axes

Takashi Matsuda, Motohiro Sato, and Satoshi Matsui

DETC2007-34086 119

Optimum Tooth-Surface Modification for Axis-Displaced Worm-Gear Drive With

Cylindrical ZA Worm

Takashi Matsuda, Motohiro Sato, and Satoshi Matsui

DETC2007-34092 127

Load Distribution Model for Involute Internal Gear Sets

Jose I. Pedrero, Miguel Pleguezuelos, and Silvia Aguiriano

DETC2007-34093 135

Numerical and Experimental Study of Loaded Transmission Error of Worm Gear

With a Plastic Wheel

Jean-Pierre de Vaujany, Michele Guingand, and Didier Remond

DETC2007-34094 143

Simplified Formula for Determining the Width of the Gear Wheels of Face Gears Using

Design of ExperimentsMichele Guingand, Didier Remond, and Jean-Pierre de Vaujany

DETC2007-34096 149

An Experimental Study of the Influence of Manufacturing Errors on the Planetary Gear

Stresses and Load SharingHaris Ligata, Ahmet Kahraman, and Avinash Singh

DETC2007-34102 159

Loaded TCA of Measured Tooth Flanks for Lapped Hypoid Gears

Kohei Saiki, Keiichiro Tobisawa, Masaki Kano, Yasuharu Ohnishi, and Takashi Kusaka

DETC2007-34103 165

Reliability Prediction of Gear Transmissions

Victor E. Starzhinsky, Yuri L. Soliterman, and Arcadi M. Goman

x

Page 4: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-34118 173

Composite Analysis Method of Tooth Contact Load Distribution of Helical Gear

Yoshikazu Miyoshi, Keiichiro Tobisawa, and Kohei Saiki

DETC2007-34123 181

Geometry of Tooth Profile and Fillet of Face-Hobbed Spiral Bevel Gears

Yi Zhang and Zhi Wu

DETC2007-34155 193

Assuring Molded Accuracy of Plastic Involute Worm Gears

Michael T. Weiss and Roderick E. Kleiss

DETC2007-34166 199

Problems With the Design of Internal Gearing With Extreme Parameters

Milos Nemcek

DETC2007-34170, - 207

An Experimental Investigation of the Static Transmission Error and Torsional Mesh

Stiffness of Nylon Gears

Chuan Wen Chi, Ian Howard, and Jian De Wang

DETC2007-34172 217

Modification of an Involute Gearing and Its Effect on a Loading CapacityZdenek Dejl and Vladimir Moravec

DETC2007-34210 229

Higher-Order Tooth Flank Form Error Correction for Face-Milled Spiral Bevel and

Hypoid Gears

Qi Fan, Ronald S. DaFoe, and John W. Swanger

DETC2007-34225 239

A New Gerotor Design Method With Switch Angle AssignabilityJia Yan, Shih-Hsi Jong, and Daniel C.H. Yang

DETC2007-34245 247

Driving Performance of High Reduction Planetary Gear Drive With Meshing of Arc Tooth

Profile Gear and Pin Roller

Kazuteru Nagamura, Kiyotaka Ikejo, Eiichirou Tanaka, Takamasa Hirai,

Toshiyuki Koumori, and Ichiro Kamimura

DETC2007-34461 255

A Further Study on High Contact Ratio Spur Gears in Mesh With Double Scope Tooth

Profile Modification

Jiande Wang and Ian Howard

DETC2007-34470 263

The Bending and Surface Contact Stress Variations in a Mating Plastic Gear Pair

Ah-Der Lin and Jao-Hwa Kuang

xi

Page 5: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-34485

New Geometry of Generating Spiral Bevel Gear

Zhou Kaihong, Jinyuan Tang, and Tao Zeng

DETC2007-34501

The Mathematical Model for the Generation of the Cylindrical Gear With Curved

Cycloidal Teeth

lulian Stanasel, Adrian Ghionea, lonut Ghionea, Petru Ungur, and Oana Stanasel

DETC2007-34655

A Methodology for Obtaining Optimum Gear Tooth Micro-Topographies for Noise and

Stress Minimization Over a Broad Operating Torque RangeJonny Harianto and Donald R. Houser

DETC2007-34656

Evaluation of a Low-Noise Formate Spiral-Bevel Gear Set

David G. Lewicki, Ron L. Woods, Faydor L Litvin, and Alfonso Fuentes

DETC2007-34823

Application of Gears With Asymmetric Teeth in Turboprop Engine Gearbox

Alexander S. Novikov, Alexander G. Paikin, Vladislav L. Dorofeyev,Viacheslav M. Ananiev, and Alexander L. Kapelevich

DETC2007-34914

Studies on FEM Geometrical Model of Gear Machined by Pre-Grinding Hob With

Protuberance

Jinyuan Tang, Changjiang Zhou, and Changde Wu

DETC2007-35119

Gear Wearing Faults Diagnosis Using Order TrackingHe Li, Yimin Zhang, Bangchun Wen, and Feng Wen

DETC2007-35182

Meshing Theory and Simulation of Noninvolute Beveloid Gears With Crossed Axes

Guangbin Yu, Yuxiang Shi, Wei Wang, and Guixian Li

DETC2007-35714

Design of Planetary Drives for Maximum Reduction Ratio by Use of Non-Standard

Involute Gears

Jie Tan

DETC2007-35906

The Revision of Tooth Surface in Order to Compensate the Load Derivation of the

Circular Arc Gears

Huran Liu, Quanhong Liu, Dongfu Zhao, Deyu Song, and Jiande Wang

GEAR DYNAMICS AND NOISE

DETC2007-34025

Dynamics of Hypoid Gears With Emphasis on Effect of Shaft Rotation on Vibratory ResponseTao Peng and Teik C. Lim

xii

Page 6: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-34028 385

Numerical Investigation on Traveling Wave Vibration of Bevel Gears

Costantino Carmignani, Paola Forte, Gabriele Melani, and Giovanni Di Carlo

DETC2007-34051 395

An Alternative Method for Evaluating Gear Tooth Surface Geometry Based on Synchronous

Average of Vibration of a Gear Pair

Chanat Ratanasumawong, Shigeki Matsumura, and Haruo Houjoh

DETC2007-34068 405

Analytical and Numerical Dynamic Analysis of Gears in the Presence of Engine AcyclismG. Sika and P. Velex

DETC2007-34070 415

Effect of an Original Gear Mesh Modeling on the Gearbox Dynamic Behavior

Emmanuel Rigaud, Joel Perret-Liaudet, and Mohamed-Salah Mecibah

DETC2007-34077 423

Dynamic Interactions Between Sliding Friction and Tip Relief in Spur Gears

Song He and Rajendra Singh

DETC2007-34078 433

Analytical Study of Helical Gear Dynamics With Sliding Friction Using Floquet TheorySong He and Rajendra Singh

DETC2007-34099 443

Transmission Error and Noise Emission of Spur Gears: A Theoretical and

Experimental ApproachPiermaria Davoli, Carlo Gorla, Francesco Rosa, Fabrizio Rossi, and Giuseppe Boni

DETC2007-34100 451

Time Varying Approaches to Dynamic Analysis of a Planetary Gear System Using a

Discrete and a Continuous Models

K. J. Huang, C. C. Liang, and J. Y. Chen

DETC2007-34101 459

Interactions Between Backlash and Bearing Clearance Nonlinearity in Geared

Flexible Rotors

N. Ersan Gurkan and H. Nevzat Ozguven

DETC2007-34130 469

Transverse Vibration Instabilities in Multiribbed Belt Transmission Subjected to

Multi-Frequency Excitations: Modelling and ExperimentsGuilhem Michon, Lionel Manin, Didier Remond, Regis Dufour, and Robert G. Parker

DETC2007-34134 477

Integrated Excitation Models of the Helical Gear System

Takayuki Nishino

xiii

Page 7: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-34315 487

Nonlinear Dynamics of Planetary Gears Using Analytical and Finite Element Models

Robert G. Parker and Vijaya Kumar Ambarisha

DETC2007-34392 505

Vibration Resonances in a Planetary Gear Ring: Effects of Mesh Phasing and Contact Ratio

Sripathi Vangipuram Canchi and Robert G. Parker

DETC2007-34394 511

Structured Vibration Modes of General Compound Planetary Gear SystemsDaniel R. Kiracofe and Robert C. Parker

DETC2007-34430 527

Measurement of Transmission Error Using Rotational Laser Vibrometers

Robert White and Vikrant Palan

DETC2007-34717 547

The Dynamic Transmission Error and the Tooth Meshing Force Based on ANSYS/LS-DYNA

Siyu Chen, Jinyuan Tang, and Xin Liu

DETC2007-34744 553

Acoustic Emission and Elastohydrodynamic Film Thickness for Meshing of Spur and

Helical Gears

R. I. Raja Hamzah and D. Mba

DETC2007-34794 561

Some Effects of Gear Excentricities on Automotive Rattle Noise

Joel Perret-Liaudet and Emmanuel Rigaud

DETC2007-34908 569

The Mechanism and Solution of Harmonic Gear Whine Noise in Automotive

Transmission Systems

Jaegon Yoo, Koo-Tae Kang, Jin-Wook Huh, and Chimahn Choi

DETC2007-34989 577

An Improved Nonlinear Dynamic Model of Gear Transmission

Jinyuan Tang, Siyu Chen, and Changjiang Zhou

DETC2007-35096 585

An Experimental Analysis of the Dynamics of Lightly Damped SubcriticallyExcited Gear Pairs

James R. Ottewill, R. Eddie Wilson, and Simon A. Neild

DETC2007-35585 595

Analytical Investigation of Radiated Noise for a Shaft-Bearing-Plate System Due to the

Excitation of Helical Gears

Chan II Park

DETC2007-35790 603

Nonlinear Dynamics of Planetary Gears With Equal Planet SpacingCheon-Jae Bahk and Robert G. Parker

xiv

Page 8: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-35793 617

Impact of Tooth Friction and Its Bending Effect on Gear DynamicsGang Liu and Robert G. Parker

DETC2007-35799 631

Mesh Phasing Relations of General Compound Planetary Gears

Yichao Guo and Robert G. Parker

DETC2007-35802 647

Sensitivity of General Compound Planetary Gear Natural Frequencies and Vibration

Modes to Model Parameters

Yichao Guo and Robert G. Parker

GEAR LUBRICATION, TRIBOLOGY, ENGINEERED SURFACES AND

EFFICIENCY

DETC2007-34014,

671

Influence of Misalignments on EHD Lubrication in Hypoid Gears

Vilmos V. Simon

DETC2007-34067 681

Housing Influence on Churning Losses in Geared Transmissions

C. Changenet and P. Velex

DETC2007-34089 689

Wear of Spur Gears Having a Dithering Motion and Lubricated With a Perfluorinated

Polyether Grease

Timothy Krantz, Fred Oswald, and Robert Handschuh

DETC2007-34111 697

Scuffing Performance of a Hard Coating Under EHL Conditions at Sliding Speeds Up to

16 m/s and Contact Pressures Up to 2.0 GPa

R. W. Snidle, A. K. Dhulipalla, H. P. Evans, and C. V. Cooper

DETC2007-34119 717

Minimised Gear Lubrication by a Minimum Oil/Air Flow Rate

Bernd-Robert Hohn, Klaus Michaelis, and Hans-Philipp Otto

DETC2007-34689 727

Increasing in Reliability of Power Transmissions Bearings by Surface Modification

and CoatingEfim Tesker, Sergey Tesker, Victor Sirotin, Michael Salolykin, and Nicolay Yakovlev

DETC2007-34860 733

The Capacity of Superfinished Vehicle Components to Increase Fuel EconomyLane Winkelmann, Omer El-Saeed, and Matthew Bell

DETC2007-35045 747

Experimental Investigation of Spur Gear EfficiencyT. T. Petry-Johnson, A. Kahraman, N. F. Anderson, and D. R. Chase

xv

Page 9: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

GEAR MANUFACTURING

DETC2007-34010 759

Lapping and Superfinishing Effects on Hypoid Gears Surface Finish and

Transmission Errors

Jack Masseth and Mohsen Kolivand

DETC2007-34053 767

Accuracy of Straight Bevel Gear by End Mill Using CNC Milling Machine

Kazumasa Kawasaki and Kazuyoshi Shinma

DETC2007-34109 775

Form Grinding of Precision Helical Rotors and Gears Using Closed-Loop Profile Control

C. S. Holmes

DETC2007-34559 783

Practical Methods for Managing the Gear Whine Phenomena

Takeshi Abe, Yuping Cheng, Ken Nowaczyk, and Brian K. Wilson

DETC2007-34629 791

Effects of Powders on the Precision of a Powder Metallurgy Helical Gear

Ming-Ta Yu and Chung-Biau Tsay

DETC2007-34895- 799

A Study on Forging of Spiral Bevel Gear

Masaki Watanabe, Minoru Maki, Sumio Hirokawa, and Yasuhiro Kishimoto

DETC2007-34916 807

System of Hobs Unification for Gear-Wheel Cutting of Worm-Type Gears

Veniamin I. Goldfarb, Eugene S. Trubachev, and Stepan V. Lunin

DETC2007-35246 813

New Gear Manufacturing Technologies in the Automotive Field of Transmissions,

Axle Drives and Transfer Cases

Bernd Jeitler, Christian Hinteregger, and Heinz Leitner

DETC2007-35872 823

The Realization of the "SFT" and "HFT" Method on the CNC Hypoid Cutting Machine

Huran Liu, Quanhong Liu, Dongfu Zhao, Deyu Song, and Jiande Wang

GEAR STRENGTH AND DURABILITY

DETC2007-34023 829

Evaluation of Tooth Contact Stress With Tooth Flank Film Elements (Comparison of

Evaluation With Measurement)Ichiro Moriwaki, Tomohito Tani, Toshiro Miyata, Akio Ueda, and Masayoshi Yoshihara

DETC2007-34037 837

Observation of Fatigue Damage to Gear Tooth Using Image ProcessingTomoya Masuyama, Takuya Ikeda, Satoshi Yoshiizumi, and Katsumi Inoue

xvi

Page 10: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-34047 845

Residual Stress and Bending Fatigue Strength of Case-Carburized Thin-Rimmed Spur Gears

With Asymmetric Web ArrangementKouitsu Miyachika, Wei-Dong Xue, Takao Koide, Hidefumi Mada, Kengo Nojima,

Satoshi Oda, and Hideaki Katanuma

DETC2007-34065 855

Effects of Rolling on Load Bearing Capacity of Sintered Metal Gears

Takao Koide, Takatoshi Maemori, Teruie Takemasu, Kouitsu Miyachika, and

Chiaki Namba

DETC2007-34090 863

Pitting and Bending Fatigue Evaluations of a New Case-Carburized Gear Steel

Timothy Krantz and Brian Tufts

DETC2007-34095 871

Investigation of Low-Cycle Bending Fatigue of AISI 9310 Steel Spur Gears

Robert F. Handschuh, Timothy L. Krantz, Bradley A. Lerch, and Christopher S. Burke

DETC2007-34127 879

The Effect of Density on the Bending Fatigue of Powdered Metal Gears

David A. Alven and Peter G. Imbrogno

DETC2007-34233 887

Gear Tooth Root Fatigue Assessments by Estimating the Real Stress CycleDamir T. Jelaska and Srdjan Podrug

DETC2007-34560 895

Pitting Load Capacity of Helical Gears

Bernd-Robert Hohn, Peter Oster, and Gregor Steinberger

DETC2007-34882 903

Bending Strength of Carburized Forged Spur Gears

Masashi Yamanaka, Shinji Miwa, Katsumi Inoue, and Yoshiki Kawasaki

DETC2007-35016 909

Research on Superimposed Effect of Root Stresses and Teeth Compliance ConsideringMulti-Teeth Meshing

Changjiang Zhou, Jinyuan Tang, and Zhihua Zhong

DETC2007-35047 917

Internal Gear Strains and Load Sharing in Planetary Transmissions:

Model and ExperimentsAvinash Singh, Ahmet Kahraman, and Haris Ligata

DETC2007-35529 929

An Investigation of the Influence of Shaft Misalignments on Bending Stresses of

Helical Gear With Lead Crown

M. A. Hotait, D. Talbot, and A. Kahraman

xvii

Page 11: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-35911-

939

Experimental Validation of a Computerized Tool for Face Hobbed Gear Contact and

Tensile Stress AnalysisAndrea Piazza and Martino Vimercati

TRANSMISSION COMPONENTS

DETC2007-34042 947

Optimal Construction of a Hydraulic Pump With Eliptic Rotated Piston byKakeka-Besicovitch Application

Petru Ungur, Petru A. Pop, Mircea Gordan, and Nicodim Muresan

DETC2007-34044 955

Fatigue Failure Mechanism of CVT Rubber Belts

Hiroshi lizuka, Jun Yamashita, and Akihiko Tokuda

DETC2007-34066-

963

Expansion of Ratio Range of Shaft Drive CVT by Using Zero-Spin Disk

Narita Yukihito, Masashi Yamanaka, and Katsumi Inoue

DETC2007-34069 971

Virtual Clutch Development Model

Una J. Lundquist, Franz Eberle, Mikael B. Mohlin, and Rainer Sponsel

DETC2007-34116 981

Traction Drive CVT Technologies for Aircraft EquipmentTatsuhiko Goi and Hirohisa Tanaka

DETC2007-34211 987

Power-Transfer Capacity of a Geared-Neutral Transmission

Burak Gecim, Neil Anderson, and Jeffrey Wehking

DETC2007-34548 997

Partial Meshing of Synchronous Belt Teeth

Tomas Johannesson

DETC2007-34919 1005

Thermal Effect of Design Parameters on the Deflection of a Disk Brake

Yuan Mao Huang and Shi-Han Chen

DETC2007-35818 1013

Piece-Wise Linear Dynamic Analysis of Serpentine Belt Drives with a One-Way Clutch

Farong Zhu and Robert G. Parker

TRANSMISSIONS

DETC2007-34005 1025

A Novel Principle for Automatic Transmission

Shane Y. Hong

xviii

Page 12: Proceedings of the ASME / Vol. 7 / 10th International ... · Profile Shifted Conical Involute GearWithDeepToothDepth Tatsuya Ohmachi,AtsushiUchino, HidenoriKomatsubara,MakotoSaito,

DETC2007-34018 1033

Automatic Determination of Transmission Powerflow Mechanizability Using Graph TheoryNorman K. Bucknor

DETC2007-34098 - 1043

Theoretical and Experimental Analysis of a Cycloidal Speed Reducer

Piermaria Davoli, Carlo Gorla, Francesco Rosa, Claudio Longoni, Franco Chiozzi, and

Alessandro Samarani

DETC2007-34104 1053

Gearmotors With a Planetary Eccentric Gear Train for Service and Mechatronic SystemsVictor E. Starzhinsky, Elena I. Mardosevich, Vladimir L Basinyuk, and

Sergei A. Ossipenko

DETC2007-34243 1061

Driving Performance and Strength of Pin-Rack Gear Mechanism Using a Trochoid

Tooth Profile

Kiyotaka Ikejo, Kazuteru Nagamura, Eiichirou Tanaka, and Koji Yamamoto

DETC2007-34268 1071

An Analysis of a Frictional Coupling Mechanism In Rolling Variators With Initial

Point Contact

S. A. Lukowski, L A. Medeksza, D. R. B. Kraemer, and M. E. Momot

DETC2007-34856 1081

A Survey of Positive Engagement, Continuously Variable Transmissions

Brian S. Andersen, Ryan R. Dalling, and Robert H. Todd

DETC2007-35575 1089

Dynamics of Chain CVT Drive: Effects of Friction Characteristic

Nilabh Srivastava and Imtiaz U. Haque

Author Index 1099

xix


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