MPT'91Proceedings of

the International Conference on

Motion and Power Transmissions

November 23 - 26, 1991International Conference Center Hiroshima,

Peace Memorial Park, Naka-ku, Hiroshima 730 Japan

organized by

The Machine Design and T r i l ogy Division ofThe Japan Society of Mechanic?1 Engineers (JSME)

IFToMM (International)VDI (Germany)CMES (China)JST (Japan)

with the participation

ASME (U.S./-'i.e.t. (France)KSME (Korea)

JSAE (Japan;'

t'le

I.Mech.E. (United Kingdom)CSME (Canada)JSPE (Japan)JHPS (Japan)

Honorary ChairmsJ. Ishikawa

ORGANIZING COMMITTEE

ChairmanY.Terauchi

Secretary GeneralA.Kubo

MembersY.AriuraM.KatoK.NagamuraA.ShimokohbeK.UmezawaA.Yoshida

T.HayashiT.KoyamaS.OdaH.TanakaT.Yada

Overse: , MembersJ.Sprengers (Belgium)

W.S.Peng (China)

V.Klimo (CSFR)

G.Henriot (France)G.Lechner (Germany)M.Weck (Germany)

,U.Meneghetti (Italy)-* " G.Gerbert (Sweden)fr T.H.C.Childs (UK)

D.Houser (USA)D.P.Townsend (USA)A.P.Bessonov (USSR)

T.S.Sanker (Canada)

Z.X.Qian (China)

L.Faure (France)

W.Backe (Germany)H.Linke (Germany)H.Winter (Germany)T.H.Chong (Korea)C.R.Burrows (UK)J.J.Coy (USA)R.Kasuba (USA)E.L.Airapetov (USSR)J.Hlebanja (Yugoslavia)

Noise & Vibration of Spur Gears I1A1 Experimental Study on Flexible Web Gear 1

Renzhi WEI, M.Wu, H.Wang, Y.Zhang China1A2 Non-Linear Vibration of Spur Gears(Study on Mesh-Impulse) 5

Jingru HAO, W.Yao China1A3 An Analysis of Some of Niemann's Gear Noise Measurements of Spur Gears 10

R.G. MUNRO U.K.

Noise & Vibration of Spur Gears II2A1 Periodic Disturbances induced by Eccentricity Faults in Spur Gears 15

Ph. BRIERE, J.Sabot France2A2 The Linear Approximated Equation of Vibration of a Pair of Spur Gears

(Theoretical Analysis and Experiment) 21Yurong CAI, T.Hayashi Japan

2A3 Mathematical Model of Speed Reducer Gear Pair 27J. FLASKER, M.Lakota, S.Pehan Yugoslavia

Rattling Noise3A1 Dynamic Loads of Gear Trains with Idler Gears 31

H. LINKE, J.Boerner Germany3A2 Rattling Vibrations in Automotive Transmissions 37

Georg WEIDNER, G.Lechner Germany3A3 Modelling Problems of Rattling in Gear-Boxes 43

Friedrich PFEIFFER Germany

Sound Emission4A1 Estimation of Noise Power Radiated from Gear Bodies 49

Nobuyuki IWATSUKI, I.Hayashi, H.Maki Japan4A2 The Evaluation of Noise Emitted by Gear Units in Power Transmission 54

ZhenXuan QIAN, L.Chen, X.Guo, X.Yang China4A3 An Investigation of Air Flow Induced by Tooth Meshing with Regard

to an Aerodynamic Sound Generation 57Haruo HOUJOH Japan

4A4 Study on the Acceleration Noise from Gears 63Yufang WANG, Z.Tong China

Noise & Vibration of Helical Gears I5A1 Influences of Contact Ratios on Vibration and Noise of a Helical Gear System 66

J. ESAKI, T.Furukawa Japan5A2 Excitation Force Analysis of Helical Gear-Pair with Tolerances in their

Tooth Shape and Pitch, Mounted on Flexible Shaft 72Toshio TSUTA, M.Oda, H.Yoshihara, M.Sugimoto, S.Ebina Japan

5A3 Rotational Vibration of a Helical Gear Pair with Modified Tooth Surfaces 78Sho HONDA Japan

Noise & Vibration of Helical Gears II6A1 Simulation on Rotational Vibration of a Helical Gear Pair Transmitting

Light Load 85Kiyohiko UMEZAWA, H.Houjoh, N.Ichikawa, S.Hatsumura Japan

6A2 Design of Helical Gears with Minimum Transmission Error underManufacturing and Operating Variances 92

Sivakumar SUNDARESAN, K.Ishii, D.R.Houser U.S.A.6A3 Optimized Dynamic Behaviour of Gears by Tooth Flank Correction with

Consideration of Load Carrying Capacity 98M. WECK, W.Wittke Germany

Modal Analysis7A1 Analysis and Experiment on the Vibration Transmission in a Single Stage

Gearbox 104Nobuo TAKATSU, M.Kato, K.Inoue, M.Ishikawa Japan

7A2 Modal Analysis of Multistage Gear Systems Coupled with Gear BoxVibrations 110

Fred K. CHOY, Y.F.Ruan, Y.K.Tu, J.J.Zakrajsek, D.P.Townsend U.S.A.7A3 Modal Analysis for the Prediction of Dynamic Tooth Loads in Geared Trains 117

Philippe G. VELEX, Ali Saada France7A4 Vibration Analysis of Gear and Shaft System by Modal Method 123

Toyoaki FURUKAWA Japan

Noise & Vibration Measurement8A1 A Systematic Approach of the Effect of Design Parameters on Spectral and

Wavelet Gear Noise Analysis 128D. REMOND, C.Bard, D.Play France

8 A2 Measurement System of Transmission Error of Gears for VariousNon-Parallelism of the Axis 135

Shigefumi SASAOKA, T.Ono, O.Maehara Japan8A3 Measurement of Vibration Using Laser Interferometer 141

Seiichi KITAGAWA, I.Hayashi, N.Iwatsuki Japan

Noise & Vibration of Planerary Gears9A1 Exciting Force Analysis of Planetary Gear 145

K. SHOHDA, T.Furukawa, J.Esaki Japan9A2 Measurement and Analysis of Dynamic Load Sharing Condition in

Planetary Gearing 149YuanXie LI, J.Zheng, Y.Gao, P.Xue China

9A3 Spectral Analysis of Planetary Gearing for Searching Error Source 154Yunguo GAO, Y.Li, J.Zheng, Z.Wang China

Load Transmission Analysis10A1 Static and Dynamic Loading of Multipair Gear Trains 159

E.L. AIRAPETOV USSR10A2 3-D Contact Analysis and 3-D Modification of Helical Gears 165

Zongde FANG, G.Liu, Y.Shen China10A3 A Method for the Finite Element Analysis of External and Internal

Helical Gears 169Geng LIU, Z.Fang, Y.Shen China

Hobbing1B1 Hobbing of Hardened Gears Using the Finishing Hobs 175

M. YONEKURA, M.Ainoura, T.Sugimoto Japan1B2 Precise Gear Manufacturing with CNC Hobber - Gear Accuracy Check

with Numerical Simulation and Verification with Actual Gear Cutting - 181Kenji UENO, H.Kage, M.Hashitani, H.Chiu Japan

1B3 Tooth Surface Configurations Caused by the Errors in Hobs andHobbing Machines 186

Yoji UMEZAKI, Y.Ariura, K.Nagao Japan

Hard Gear Finisher2B1 A Study of Hard Gear Finisher for Mass Production Line 192

Michiaki HASHITANI, M.Nabekura, Y.Kodama Japan2B2 CBN Gear Grinding Technologies for Automotive Gears 197

Ryuichi TSUKAMOTO, F.Haga Japan2B3 An Efficient Method of Hard Finishing of Bevel Gears 203

N. PLOTNIKOV, V.Belgorodsky, N.Abysov USSR

Gear Grinding & Skiving3B1 High-Speed Mirrorlike Grinding of Precision Gears Using a Trial Gear

Grinder with a CBN Wheel 207Satoru EZOE, A.Ishibashi Japan

3B2 CBN-Profile Grinding Cylindrical Gears Using Galvanically Bonded Wheels 213Ingo FAULSTICH Germany

3B3 Hard Gear Skiving 219Udo WEIGEL, l.Faulstich Germany

Mesurement & Inspection I4B1 Measurement of Gear Transmission Error Using Laser Velocimeters 225

Shogo KATO, K.Tanaka Japan4B2 Measurement of Form Deviation of Gear Tooth Flank Using Laser

Holographic Interferometry 230Hiroshige FUJIO, A.Kubo, S.Tochimoto, H.Hanaki,Y.Saitoh, M.Suzuki Japan

4B3 Assessment of FEA Calculation of Spur Gear Tooth DeflectionUsing Electronic Speckle Pattern Interferometry 236

Philippe GAGNON, C.Gosselin, A.Cardou, L.Cloutier Canada4B4 A New Method of Inspecting an Hourglass Worms 242

Kazuyuki YOSHIMURA, M.Oya, H.Tamura Japan4B5 The Spur Gears Quality Improvement on the Basis of the Statical Modeling

of Processes of their manufacturing 248M.M. KANE, D.M. Kazakov, G.A. Isaevitch USSR

Measurement & Inspection II5B1 The Collection and Processing of the Gear Integrated Error Signal 253

Yongxin BAI, C.Liu, D.Li China5B2 Tooth Bearing Analysis of Cylindrical Gears 258

Syuhei KUROKAWA, Y.Ariura, T.Nakanishi Japan5B3 Study on the Causes for Diameter Runout of Pitch Circle in

Gear-Grinding by Single-Side Generating Method 264Liding WANG China

Gear Cutting & Forming6B1 Fundamental Study on Hot Finish Rolling of Plastic Gears 269

Ichiro MORIWAKI, T.Okamoto, A.Kubo, K.Ohta Japan6B2 New Dimensions of Gear Shaping 275

K. FELTEN, J.C.Crockett Germany6B3 High Accuracy Gear Cutting by Newly Designed Production Type

CNC Hobbing Machine 281Tsunesuke IIZUKA, H.Yagishita Japan

Cutting Tools7B1 Experimental Manufacturing of Variable Module Hob Cutters 288

Shigeyoshi NAGATA, K.Ishii, Y.Tanaka Japan7B2 Research on Gear Cutter Tooth Profile for Semi-Topping 293

Yukinori ARIGA, S.Nagata Japan7B3 A Theoretically Formed Fly Tool - Used for Cutting Internal Gear - 299

Tsuneo FUSHIMI, S.Nagata Japan7B4 Spherical Hob for Internal Gears 305

Y. HIROO, M.Ainoura Japan

Coupling & Clutches II8B1 Photoelastic Investigation of a Splined Coupling fora Gas Turbine Engine 311

H. MAHESHAPPA, T.Jagadish, G.Gargesa, M.P.Chowdiah India8B2 Scoring Control of Asbestos Free Clutch Facing 315

T.TAKAGI, H. Kubono, H.Tanaka Japan8B3 A Try to Frictional Holding System 321

Tsutomu KOMORI, S.Nagata Japan

CAD/CAM of Gears9B1 A New Method for Calculating Profiles of Cutter and Grinding

Wheel Used for Finishing Cylindrical Gears and Its Application 327Sigeru HOYASHITA, A.Ishibashi Japan

9B2 CAD/CAM System for Grinding Shaving Cutters 333Takayuki NISHINO Japan

9B3 Manufacturing of Helicoid Surfaces in CAD/CAM System 339Illes DUDAS Hungary

NC Gear Cutting10B1 Design and Manufacture of Bevel Gears Using NC Cutting Process 345

T. ONO, N.Kondo, Y.Hayashida Japan10B2 Tooth Cutting Method of Face Gear by Using CNC Hobing Machine 351

Harumi ISHII, S.Nagata Japan

Timing Belt1C1 Geometrical Design Parameters Influence on Timing Belt Load Distribution 357

J.M. DANCE, D.Play France1C2 A Study on Transmission Error in a Synchronous Belt Drive with

Eccentric Pulley (Effect, of Eccentric Phase Angle of Pulley and Belt Width) 363Masanori KAGOTANI, T.Koyama, H.Ueda Japan

1C3 Timing Belt Jumping at Driven Pulleys 368Goran GERBERT Sweden

Timing Belt & Timing Chain2C1 Life Prediction of Automotive Timing Belts 376

T.H.C. CHILDS, A.Coutsoucos, K.W.Dalgarno,A.J.Day, I.K.Parker U.K.

2C2 The Analysis of a Load on Each Tooth of 4 Cycle Gasoline Engine'sCam Pulley 382

Takanao UCHIDA, Y.Yamaji, N.Hanada Japan2C3 Simulation of Engine Timing-Chain Vibrational Motion 388

Toru KURISU Japan

Belt Type CVT3C1 Analysis of Belt Behavior and Slip Characteristics for a Metal V-Belt CVT 394

Hyunsoo KIM, J.Lee Korea3C2 Modelling of the Van Doorne, Metal V-Belt, Continuously Variable

Transmission System 400J.D. MICKLEM, D.K.Longmore, C.R.Burrows U.K.

3C3 Continuously Variable Chain Drives for High Torque Application 405Gert SCHONNENBECK, J.Heinrich Germany

Belt4C1 Belt Vibration Considering Moving Contact between Belt and Pulley 411

Guanfeng YUE Sweden4C2 The V-Belt Design According to Service Life or Max.Torque Prior 417

Jin-Shi LIU China4C3 Demanded Properties of V-Belts Used for Multi-Groove Belt Drives 421

Heinz PEEKEN, E.Frenken Germany4C4 Matter Element Analysis Method for Designing Belt Transmissions 425

Qun LIN, M.Wu China

Chain I5C1 The Correct Engagement Conditions of Roller Chain Transmission 429

Yixing WANG, H.Chen China5C2 New Developments on Load Distribution and Kinematic Simulation of

Roller Chains 435Thierry VERNE, D.Play France

5C3 A Study on the Chain Tooth Ring in Engineering Application 441Guangyi ZHANG, X.Sui, Y.Wang China

Chain II6C1 Equilibrium Position of a Garland of Uniformly Moving Chain 445

Karl B. WOHLHART, P.Dietmaier Austria6C2 On the Determination of Sag and Catenary Tension in Roller Chain Drive

Transmissions 451Ettore PENNESTRI, C.K.Chang Italy

6C3 The Determination of the Outside Diameter of a Hy-Vo Chain Sprocket 457Y.Q. ZHAO, Y.Y.Chen, Y.X.Wang China

Gear Applications7C1 Systems of Variable Speed Drives for High Power Applications 462

Manfred HIRT, T.Weiss Germany7C2 Application of Variable-Ratio Transmission in Fast Boats 468

Anders HEDMAN Sweden7C3 Transmission Engineering for Passenger Cars 474

B.R. HOHN Germany7C4 Downhole Drive with Planetary Gear for Deep and Ultradeep Wells Drilling 480

Nikolai D. DERKACH, E.Krutik, A.Konovalov USSR7C5 FEM-Optimized Gear Design under the Aspects of Load Capacity and Noise 486

Werner MOLLERS, J.Patzer, H.Schwarz Germany

Gear Unit Design II8C1 Basic Problems of Heat Calculation of Gear Reducers 490

A.S. TEREKHOV USSR8C2 Temperature Distribution in Tooth and Blanks of Ultra High-Speed Gears 496

Susumu MATSUMOTO, Y.Tozaki, K.Sudoh Japan8C3 Computer Aided Gear Reliability Evaluation 502

Marek DIETRICH, M.Stajszczak, T.Szopa Poland

Gear System Design II9C1 Optimal Synthesis of Multi-Speed Gear Drives Using Problem Reduction

Strategy 508G.S. BUSH, M.O.M.Osman, S.Sankar Canada

9C2 On the Validity of Optimal Synthesis of Gear Drives Using ProblemReduction Strategy 516

M.O.M. OSMAN, G.S.Bush, S.Sankar Canada9C3 Transmission Overhaul Estimates for Partial and Full Replacement at Repair 524

M. SAVAGE, D.G.Lewicki U.S.A.

Gear Unit Design III10C1 Loaded Transmission Error in a Planetary Gear System 530

Tatsuya KATOH, N.Maruyama, K.Morikawa Japan10C2 Development of Expert Systems for Designing Power Transmission Gears 536

Tae Hyong CHONG, J.H.Byun Korea10C3 A Model for Empirical Estimation and its Application to the Prediction of

Vibrational Level of Gears 542Aizoh KUBO, H.Akahori Japan

10C4 Theory and Practice of Substituting Profile of Cycloid Drive 548Youqiang ZHOU, X.Zhang, Z.Dong China

10C5 Manual and Automatic Stepless Power Adjusting Transmisssion 554Wengui WANG China

Gear Design1 Dl Influence of the Path of Contact Shape on Sliding Conditions between

Tooth Flanks 560Joze HLEBANJA Yugoslavia

1D2 Parallel Axes Gear Set Optimization in Two-Parameter Space 565Y. THEBERGE, A.Cardou, L.Cloutier Canada

1D3 A Rayleigh-Ritz Approach to Modeling the Bending and Shear DeflectionsofGearTeeth 572

Edward YAU, D.R.Houser U.S.A.

1D4 Calculation of Optimal Tooth ModificationsVilmos SIMON

578Yugoslavia

Gear System Design I2D1 Application of Modern Calculation Methods to Gears in Vehicle

Transmissions 583F.J. JOACHIM Germany

2D2 Analysis of Realisation Possibilities for Centrally Controlled PowerTransmission for Vehicles with All Wheel Drive 589

Matija FAJDIGA, A.Kuhelj Yugoslavia

Conical & Skew Gears3D1 Numerical Modeling of Conic-Involute Gears 595

Voicu CHIOREANU, M.Chioreanu, V.Chioreanu Jr. Romania3D2 Concave Conical Gear (Basic Theory of a New Tooth Surface and Design

of a Pair of Gears) 601Ken-ichi MITOME Japan

3D3 Study of Worn Tooth Profiles on Crossed Plastic Helical Gears 607Hikoichi SHIRAISH1, O.Kamada, M.Sato Japan

CAD of Gears & Gear Systems4D1 Artificial Intelligence for Computerized Gear Design 613

Neil E. ANDERSON, K.Barber, K.Kienzle U.S.A.4D2 A Series of Softwares for Designing, and Checking Gears 618

Michel OCTRUE France4D3 Synthesis and Simulation of Gears by Computation Geometry 624

Zongying OU, Z.Zheng, S.Wang China4D4 Design and Optimising of Gear Drives by CAD 627

V. MILTENOVIC, M.Velimirovic Yugoslavia4D5 Design and Manufacture of Gears 632

J. BALIC, J.Flasker, F.Cus Yugoslavia

Gear Geometry5D1 Two Categories of Gears with Two Contact Lines 638

Weiyi ZHANG China5D2 Basic Relationships of Gear Mesh with a Contact Line 643

K. TAKAHASHI, N.Ito Japan5D3 Skew Axis Gearing Scheme Synthesis 649

V. GOLDFARB, A.Russkikh USSR

Worm Gearing6D1 A Study on Hourglass-Worm Gearings Designed to Concentrate

Surface NormalsShigeyuki SHIMACHI, H.Gunbara, T.Kobayashi, H.Kawada

6D2 Influence of Machining and Assembling Errors on Tooth Contact andKinematic Precision of Double Enveloping Hourglass Worm Gearing

Datong QIN, M.Kato, G.H.Zhang

Japan

China

654

660

Gear Unit Design I7D1 Analysis of the Efficiency of Planetary Gearing by the Matrix Method

Michihiko TANAKA7D2 Mechanical Analysis of Epitorochoid Planet Gear-Reducer

Masatoshi KONDOH, S.Ogata

Japan

Japan

666

672

7D3 Design of a Strain Wave Gearing with a New Shape of Wave Generator 677Shoichi ISHIKAWA, Y.Kiyosawa Japan

7D4 Cylindrical Rolling Longer Life Gears 683Arnold Efremovich BELJAEV USSR

Design & Machining of Bevel/Hypoid Gears8D1 The New Type Bevel Gears with Small Number of Teeth and High Gear Ratio

Gui-Ming LIANG, A.Y.Peng China8D2 A New Method of Designing Hypoid Gears 692

Kazumasa KAWASAKI, H.Tamura Japan8D3 A Method of Cutting Spiral Bevel Gears Using a Quasi-Complementary

Crown Gear 698Kengo TANAKA, H.Tamura Japan

Tooth Profiles of Bevel/Hypoid Gears9D1 How to Determine Spiral Bevel Gear Tooth Geometry for Finite

Element Analysis 704R. HANDSCHUH, F.Litvin U.S.A.

9D2 Tooth Fillet Profile of Hypoid Pinion Generated with Toprem Blade Cutter 711Masaki SUGIMOTO, N.Maruyama, N.Hitomi Japan

9D3 Spatial Adjustment of Bevel Gearing 717V.I. KOVALEVSKY USSR

TCA of Bevel/Hypoid Gears10D1 Local Synthesis and Tooth Contact Analysis of Faced-Milled Spiral

Bevel Gears 721Faydor L. LITVIN, Y.Zhang, R.Handschuh U.S.A.

10D2 Tooth Contact Analysis of High Conformity Spiral Bevel Gears 725Claude GOSSELIN, L.Cloutier, J.Brousseau Canada

10D3 A Method to Determine the Tooth Contact Pattern of Spiral Bevel Gears 731Josef SZENTE Hungary

10D4 Load Susceptibility of Spiral Bevel and Hypoid Gears and the Effect of theCutter Radius 736

Changhua HUANG, C.Zheng China

Strength of Planetary Gears1E1 Load Distribution in Planetary Gear Drives 739

A. DOBROCZONI Hungary1E2 Stress of Planet Gear with Thin Rim 745

Takeshi ISHIDA, T.Hidaka Japan1E3 Load Distribution in Planetary Gears (Influence of the Pinion Bearing

Situation) 751Kiril B. ARNAUDOV Bulgaria

Gear Strength I2E1 A Study on Fatigue Strength of Induction-Hardened Sintered

Powder Metal Gears 757Akira YOSHIDA, Y.Ohue, I.Karasuno Japan

2E2 Diagnosis of Gears by Acoustic Emission 763Koshi KONDO, J.Takada Japan

2E3 Impact Strength of Heat-Treated Gear Materials 769Keigo FUKUNAGA, Y.Nagase Japan

FEM Stress Analysis3E1 Calculation of Gears by Finite Element Method 775

S. PEHAN, J.Flasker Yugoslavia3E2 Bending Strength of Internal Spur Gears 781

Kouitsu MIYACHIKA, S.Oda Japan3E3 Three-Dimensional Stress Analysis of Thin-Rimmed Gears by the

p-FEM Approach 787G. CURTI, F.A.Raffa, D.Garavelli, C.Baret Italy

Gear Strength II4E1 Reliability Estimation of Bending Fatigue Strength of Super Carburizing

Steel SpurGear 795Kazuteru NAGAMURA, Y.Terauchi, S.Y.Martowibowo Japan

4E2 Fracture Mechanics Based Evaluation of Strength of Carburized GearTeeth 801Katsumi INOUE, M.Kato, G.Deng, N.Takatsu Japan

4E3 Effects of Gear Dimensions on Tooth Root Stress of a Spur Gear Pair underPartial Contact (Evaluation by a New Method of Three-Dimentional FiniteElement Calculation) 807

Haruo ISHIKAWA, H.Takahashi Japan4E4 Practical Formula for True Root Stress of Helical Gears 813

Takao KOIDE, S.Oda Japan4E5 New Hardening Technique for High-Strength Gears with High Accuracy 819

S. SHIBATA, Y.Miwa, K.Hanakawa Japan

Durability I5E1 Accelerated Tests of Gearbox 825

Vladimir KLIMO, J.Chrobak Czechoslovakia5E2 Effect of Surface-Finishing on Surface Durability of Surface-Hardened Gears 828

Tsutomu NAKANISHI, Y.Ariura Japan5E3 A Study on Kinematics and Failure Mechanism of Hardened Gear Teeth 834

Yefim TESKER USSR

Durability II6E1 The Study of Surface Brush Copperplating to Raise the Pitting Resistant

Capacity of Gears 838Hua-Liang HUANG, X.L.Zhang China

6E2 Load-Carrying Capacity of Austempered Ductile Iron Gears 843Yasutsune ARIURA, T.Nakanishi, M.Yano, M.Goka Japan

6E3 Comparison of the Pitting Resistance of Several Steels Used in CaseCarburized Gears 849

Louis FAURE, JL.Vasseur, C.Lefleche France6E4 Surface Fatigue Life ofM50NiL and AISI 9310 Spur Gears and RC Bars 855

Dennis P. TOWNSEND, E.N.Bamberger U.S.A.

Stress Analysis7E1 The Calculation of Root Stress of WN Gear Teeth in Mesh 861

Satoshi ODA, T.Koide, K.Miyachika Japan7E2 Applications of Original Analytical and Engineering Methods of Bending

Stresses in Calculation in Helical Wheels 866G.A. ZHURAVLEV, P.S.Prokopjev USSR

7E3 A Control of Herzian Stress at the Characteristic Meshing Points 871Dimitar STAMBOLIEV Yugoslavia

Plastic Gears8E1 On Tribology of Plastics 877

Chenghe WANG China8E2 Nylon - Polyolefin Alloy for Plastic Gears without Lubrication 881

Masaya MURATA Japan8E3 Argument on Plastic Gears 887

Naohisa TSUKAMOTO, H.Maruyama, T.Matsumoto Japan

Motion Control9E1 Gear Reducer with Self-Compensating Capability for Locally Originated

Speed Variation within the Reducer System 893Masahiko ITOH, T.Ogawa, M.Kojima Japan

9E2 Synchronization of Multiple Axis Motion Cycles Using HighPerformance Drives 899

B. JONES, M.Burton U.K.9E3 A New Method for Positional Error Compensation Based on Fuzzy Control 905

Qijun LIN, Q.Zhang, H.Wu China

Electric Drives & Transmission Error10E1 Fundamental Studies on Plastic Magnetic Gears 910

Akira SHOJI, G.Kawashima Japan10E2 Positioning and Transmission Errors of Impedance Controlled Mechatronics

Drives 916Parush PARUSHEV, K.Konstadinoff Bulgaria

10E3 Estimation of Dynamic Performances on Reduction Gears for PositioningMechanism 922

Hidetsugu TERADA, T.Hayashi Japan10E4 Development of a Piezo-Electric Cycloid Motor 928

Iwao HAYASHI, N.Iwatsuki, M.Kawai, J.Shibata, T.Kitagawa Japan10E5 Measurement of Deformations of Helical W-N Gear Teeth Using Laser

Transmission Method 932Ji-Bin YANG, S.Z.Wen, C.W.Chen China

10E6 Analysis of Transmission Error of Harmonic Gear Drive 937Linzhi SUN, Y.Mao China

Tribo-theory1 Fl Micro-Displacement Behavior of a Paper-Based Facing for a Wet Clutch

under Constant Normal and Tangential Loads 941Masao EGUCHI, T.Miyazaki, T.Yamamoto Japan

1F2 The Influence of Thermal Effects on EHD Lubrication 947Robert J. WOLFF, A.Kubo, T.Nonaka, K.Matsuo Poland

1F3 Study on the Molecular Structures of New Traction Fluids forAutomobile Use 953

Toshiyuki TSUBOUCHI, K.Abe, H.Hata Japan

Traction Drive Type CVT2F1 Oil Film and Surface Damage in Traction Drive for Automobiles 959

Hisashi MACHIDA, S.Aihara, H.Tanaka Japan2F2 Large Capacity and High Efficiency Toroidal Traction CVT 965

Masaki NAKANO, T.Hibi Japan2F3 Stability of a Speed Ratio Control Servomechanism for a Half-Toroidal

Traction Drive CVT 971Hirohisa TANAKA, H.Machida Japan

Traction Drives3F1 Planetary Traction Drives with High Efficiencies

Akira ISHIBASHI, K.Sonoda3F2 Experimental Research on Differential Traction Drive Unit Using Ceramics

Akinori KONDOH, K.Kai, T.Suzuki, F.Satoh Japan

Japan977

983

Hydraulic Drives4F1 A Transmission Control System for Construction Machinery 988

Takafumi TAKENAKA, Y.Katoh, N.Kawasaki, M.Toyama,Y.Ohkura, K.Kusaka Japan

4F2 Hydrostatic Drives, Control Strategies and Testing 994J. LENNEVI, K.E.Rydberg Sweden

4F3 Study on Torque Converter Circuit Profile 1000Tokimori SAKA, K.Oguri, H.Sakamoto, K.Suyama Japan

4F4 A Study on the Flow Forms in Torque Converters and Fluid Couplings 1005Zhaoda LU China

4F5 New Theoretical Approach of Thermal Analysis's Boundary Conditions forDisk Clutch 1010

N. SUNAYAMA Japan

Coupling & Clutches I5F1 Electro-Rheological Clutch under Initial Loadings 1016

A.R. JOHNSON, R.Friroozian, W.A.Bullough, S.Xiao,A.H.Sianaki, J.Makin U.K.

5F2 Flow Analysis of a New Torque Transmit Coupling for 4WD Cars 1022Yoshio KOJIMA, H.Asano Japan

5F3 Flow Analysis of Viscous Coupling 1028Minoru WAKAMATSU, K.Yoshida, Y.Kojima, O.Murata Japan

Gear Lubrication I6F1 Prediction of the 3-D Bulk Temperature and Thermal Deformation in

Gear Tooth 1034Yanyang ZHANG, Z.Liu China

6F2 Measurement of Pressure, Temperature and Film Thickness in Disk andGear Contacts 1038Hans WINTER, B.R.Hohn, K.Michaelis, E.Kagerer Germany

6F3 Influence of Lubricating Oil on Efficiency and Tooth Temperature Rise ofSpur Gears 1043

Ryozo NEMOTO, C.Naruse, S.Haizuka Japan

Surface Treatment & Load Capacity7F1 A Study on Scoring Resistance of Tooth Surfaces - Effects of Ag-Coating,

Cu-Coating and Sulfuretting on Tooth Surfaces 1049Kousaku OHNO, T.Nakatsuji, A.Mori, Y.Shimotsuma Japan

7F2 Load Carrying Capacities of Gears Sulphurized at Low Temperature 1055Masaki KOHNO, H.Nadano, Y.Terauchi, K.Ota Japan

7F3 A Study on Thin Layer and Scuffing Resistance of Gear 1061Tong WANG, X.G.Gao, L.H.Qiu China

7F4 Mechanism of Failure Resistance by TiN Coating 1066J.VIZINTIN, S.Kosmac, F.Vodoplvac Yugoslavia

Gear Accuracy & Load Capacity8F1 Influence of Tip Interference and Specific Sliding on Scuffing Capacity in

Spur Gears 1072Masahiro FUJII, F.Obata, A.Yoshida Japan

8F2 Influences of Tooth Profile on Frictional Loss and Scoring Strength in theCase of Spur Gears 1078

Chotaro NARUSE, R.Nemoto, S.Haizuka, H.Takahashi Japan8F3 Influence of Pitch Errors on Surface Failure of Spur Gears 1084

Shigetada TANAKA, T.Yamada, N.Hattori, K.Ogata Japan

Lubricants & Load Capacity9F1 Performance Testing of Lubricants for Modern Industrial Gears 1089

Francis PRINCE, N.Yokota, W.R.Murphy, A.Jackson France9F2 Effect of Lubricating Oils with Mo-Additives on Tooth Surface Failure of

Spur Gears 1096Yoshio TERAUCHI, K.Nagamura, Y.Nagasaki, S.Ninomiya Japan

9F3 Studies on Scoring Strength of Crossed Helical Gears (Effects of LubricatingOils, Materials and Surface Treatments) 1102

Shoji HAIZUKA, C.Naruse, R.Nemoto Japan

Gear Lubrication II10F1 History Dependence in Twin-Disc Scuffing Tests 1108

D.A. KELLY, C.G.Barnes U.K.10F2 Computer Aided Determination of Lubricant Viscosity for Gear Drives 1113

Will SCOTT, B.Michaelson Australia10F3 Design of Hourglass Worm Gearing on the Stand Point of Improving

Lubricating Ability 1118Yun Long WEI, M.Kato, S.Z.Wen, X.J.Cao, J.Wang China

10F4 Effects of Sliding/Rolling Contact on Worm Gear Lubrication 1123Jianping TAN, T.Yamada, N.Hattori Japan

Industrial Panel Papers

1A1 Lube Free Chain(Lambda Chain)TSUBAKIMOTO CHAIN CO. 1128

IA2 High Accuracy Overload ClutchTSUBAKIMOTO EMERSON COMPANY 1129

IA3 Development of Planetary Roller Traction Drive Speed ReducerKOYO SEIKO CO.,LTD. 1131

IA4 A New Strain Wave Gearing: Performance EvaluationHarmonic Drive Systems, Inc. 1132

IA5 Application of Rotary UnionsASIA INDUSTRY CO.,LTD. 1137

Bl A New Cermet Hob for Finishing GearsAZUMI MFG, CO. LTD 1140

IB2 Inclined Serration Shaving CutterKOBE STEEL, LTD. 1141

IB3 CNC Gear Grinding Machine "FGS-30N" (A Challenge for Low-cost ProductiveGrinding of Gears with Standard and Arbitrarily Selected Tooth Profiles)

Karatsu Iron Works, Ltd. 1142IB4 Vibrational Broaching System

NACHI-FUJIKOSHI CORP. 1143IB5 Automatic Belt Tensioners on Single Belt Accessory Drive Systems

BANDO CHEMICAL INDUSTRIES, LTD. 1144

11 Development of Transmission Gears with Reversely AngledSplines by Compound Precision Forging

METAL ART CORPORATION 114712 Tsubaki Auto Tensioner for Engine Timing Belt

TSUBAKIMOTO CHAIN CO. 115013 Development of Transmission for High Performance and Luxury Passenger Cars

HONDA R&D CO.,LTD. 115214 High Precision Cyclo Drive® (Fine Cyclo Drive®)

Sumitomo Heavy Industries, Ltd. 115515 Reliability Test for Power-Lock (Frictional Shaft Mount Device)

TSUBAKIMOTO CHAIN CO. 115916 Measurement of Transmission Error of Gears and Gear Train Units under

High Load OperationsONO SOKKI Co.,Ltd. 1161

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